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Fujitsu MCJ3230SS Product Manual

Fujitsu MCJ3230SS Product Manual

Fujitsu computer drive user manual
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C156-E224-01EN
MCJ3230SS
OPTICAL DISK DRIVE
PRODUCT MANUAL

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Summary of Contents for Fujitsu MCJ3230SS

  • Page 1 C156-E224-01EN MCJ3230SS OPTICAL DISK DRIVE PRODUCT MANUAL...
  • Page 2 "Important Alert Items" in this manual. Keep this manual handy, and keep it carefully. FUJITSU makes every effort to prevent users and bystanders from being injured or from suffering damage to their property. Use the product according to this manual.

  • Page 3: Revision History

    Revision History (1/1) Revised section (*1) Edition Date Details (Added/Deleted/Altered) November, — — 2001 Section(s) with asterisk (*) refer to the previous edition when those were deleted. C156-E224-01EN...
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  • Page 5: Preface

    This chapter introduces the MCJ3230SS optical disk drive and describes its features, drive configuration, and system configuration. Chapter 2 Specifications This chapter describes the specifications of the MCJ3230SS optical disk drive and the specifications of optical disk cartridges. Chapter 3 Installation Requirements...

  • Page 6: Conventions Used In This Manual

    This manual contains a list of the abbreviations used in this manual and their meanings. CONVENTIONS USED IN THIS MANUAL Throughout this manual, the MCJ3230SS optical disk drive are described as an "ODD," "drive," "unit," "target (TARG)," or "device." Decimal values are indicated without any modifiers added.
  • Page 7 (Example) Low temperature burns: The surface temperatures of some ICs on the printed circuit board unit in the optical disk drive exceed 55°C while operating. Be careful of low tenperature burns. The main alert messages in the text are also listed in the “Important Alert Items.” Attention Please forward any comments you may have regarding this manual.

  • Page 8: Disclaimer

    DISCLAIMER Failure of the MCJ3230SS optical disk drive is defined as a failure requiring adjustment, repair, or replacement. Fujitsu is not responsible for failure due to misuse, operation outside the specified environment conditions, power line trouble, controller problems, cable failure, or other failure not caused by the optical disk drive itself.

  • Page 9: Important Alert Items

    Important Alert Items Important Alert Messages The important alert messages in this manual are as follows: A hazardous situation could result in minor or moderate personal injury if the user does not perform the procedure correctly. Also, damage to the product or other property, may occur if the user does not perform the procedure correctly.
  • Page 10 In case of regular repair, the optical disk cartridge should not be attached except where the cartridge causes the error. And before having the drive repaired, save the data in the cartridge. Fujitsu is not responsible for data lost during maintenance or repair. Alert message...

  • Page 11: Manual Organization

    MANUAL ORGANIZATION OPTICAL DISK DRIVE PRODUCT MANUAL (C156-E224) <This manual> OPTICAL DISK DRIVES MAINTENANCE MANUAL (C156-F043) C156-E224-01EN GENERAL DESCRIPTION SPECIFICATIONS INSTALLATION REQUIREMENTS HOST INTERFACE OPERATION AND CLEANING DIAGNOSTICS AND MAINTENANCE MAINTENANCE AND DIAGNOSIS FAULT ANALYSIS REMOVAL AND REPLACEMENT PROCEDURES PRINCIPLES OF OPERATION CLEANING...
  • Page 12 Name (SCSI-2) International Organization for Standardization International Electrical for Commission Concerned organization American National Standards Institute (SCSI) (ANSI) American National Standards Institute (ANSI) ISO/IEC *1 ISO/IEC *1 ISO/IEC JTC1 *1 FUJITSU LIMITED SONY CORPORATION FUJITSU LIMITED SONY CORPORATION C156-E224-01EN...

  • Page 13: Table Of Contents

    Preface ...i DISCLAIMER ...iv MANUAL ORGANIZATION ...vii CHAPTER 1 General Description... 1-1 Features ...1-2 1.1.1 Performance ...1-2 1.1.2 Reliability ...1-3 1.1.3 Maintainability/operability...1-4 1.1.4 Adaptability...1-4 1.1.5 Interface...1-5 Drive Configuration...1-7 1.2.1 Drive model...1-7 1.2.2 Configuration ...1-8 1.2.3 Mechanical sections ...1-9 1.2.4 Control circuit section ...1-10 CHAPTER 2 Specifications...
  • Page 14 Defect Management...2-11 2.3.1 Defect management schematic diagram ...2-11 CHAPTER 3 Installation Requirements...3-1 Environmental Requirements ...3-1 3.1.1 Temperature measurement point ...3-1 3.1.2 Temperature requirements and measuring method...3-3 3.1.3 Air flow ...3-3 3.1.4 Temperature rise under several conditions ...3-4 3.1.5 Air purity ...3-4 Mounting Requirements ...3-5 3.2.1 External dimensions ...3-5...
  • Page 15 CHAPTER 4 Host Interface ... 4-1 Interface Connector ...4-1 Various Processes...4-4 4.2.1 Reset response ...4-4 4.2.2 Defective sector management ...4-4 4.2.3 Automatic alternate sector assignment function...4-4 4.2.4 Cache function...4-5 4.2.4.1 Data buffer ...4-5 4.2.4.2 Read cache ...4-5 4.2.4.3 MO write cache...4-6 4.2.5 Power management function ...4-6 4.2.6...
  • Page 16 4.3.21 FORMAT UNIT command ...4-37 4.3.22 READ DEFECT DATA command ...4-38 4.3.23 SEND DIAGNOSTIC command...4-39 4.3.24 RECEIVE DIAGNOSTIC RESULTS command...4-39 4.3.25 WRITE BUFFER command...4-40 4.3.26 READ LONG command ...4-41 4.3.27 WRITE LONG command...4-41 SCSI Messages ...4-42 4.4.1 Message formats ...4-42 4.4.2 Message types...4-42 4.4.3...
  • Page 17 Maintenance Information ...6-3 6.2.1 Maintenance requirements ...6-3 6.2.2 Revision number ...6-4 Glossary ……………………………………………………………………….GL-1 Abbreviations …….…………………………………………………………………AB-1 Index ………………………………………………………………………...IN-1 C156-E224-01EN xiii...
  • Page 18 Figures Figure 1.1 Outer view (with panel) ...1-7 Figure 1.2 Outer view (without panel) ...1-7 Figure 1.3 Optical disk drive configuration ...1-8 Figure 1.4 Control circuit section block diagram...1-10 Figure 2.1 Optical disk cartridge...2-8 Figure 2.2 Algorithms for alternate processing...2-11 Figure 2.3 Example of alternate processing ...2-12 Figure 3.1 Surface temperature measurement points ...3-2 Figure 3.2 Dimensions ...3-5...
  • Page 19 Figure 6.1 Revision label ...6-4 Figure 6.2 Revision number indication...6-4 C156-E224-01EN...
  • Page 20 Tables Table 2.1 Model and order number...2-1 Table 2.2 Specifications (1 of 2)...2-2 Table 2.2 Specifications (2 of 2)...2-3 Table 2.3 Environmental and power requirements (1 of 2) ...2-4 Table 2.3 Environmental and power requirements (2 of 2) ...2-5 Table 2.4 Power consumption in power save mode when the temperature inside the drive is 20°C or lower ...2-5 Table 2.5...
  • Page 21 Table 4.31 MODE SENSE command...4-22 Table 4.32 Page control field...4-22 Table 4.33 Mode parameters ...4-23 Table 4.34 Mode Parameter Header ...4-23 Table 4.35 Block Descriptor...4-23 Table 4.36 Mode Page ...4-24 Table 4.37 START/STOP UNIT command ...4-24 Table 4.38 Start, stop, and eject processing...4-24 Table 4.39 RESERVE command...4-25 Table 4.40 RELEASE command...4-26 Table 4.41 REQUEST SENSE command ...4-26...
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  • Page 23: Chapter 1 General Description

    1.2 Drive Configuration This chapter describes the features and configuration of the optical disk drives. The MCJ3230SS (hereafter, the optical disk drive) is the successor model to the MCE3130SS. This optical disk drive, which maintains compatibility with the MCE3130SS, offers high performance and high capacity. Supporting 2.3 GB of storage capacity, this device delivers superior performance with a 5,455-rpm rotational speed, and supports security functions.

  • Page 24: Features

    General Description 1.1 Features This section describes the following drive features: • Performance • Reliability • Maintainability/operability • Adaptability • Interface 1.1.1 Performance (1) Half-height standard 90 mm (3.5-inch) size (25.4 mm height) The SCSI controller can be connected to the system SCSI bus. The controller meets the specifications of the standard 25.4 mm height 90 mm (3.5-inch) fixed disk drive form factor.

  • Page 25: Reliability

    (4) High-speed mean seek time This drive features a linear voice-coil motor for high-speed head positioning. The average seek time is the average of 1,000 random seeks and is 19 ms. (However, this does not include command overhead or address check.) (5) Compatible with international standards (media interchangeability) 90 mm (3.5 inch) type optical disks as well as ISO standards compatible 128 MB, 230 MB, 540 MB and 640 MB format optical disk media can be used in the optical...

  • Page 26: Maintainability/Operability

    General Description (3) Automatic allocation of alternate data blocks This drive features a function which automatically allocates alternate data blocks to defective data blocks detected while data is being read from or written to an optical disk. 1.1.3 Maintainability/operability (1) Diagnostic function This drive has a diagnostic function to check optical disk drive operations.

  • Page 27: Interface

    1.1.5 Interface (1) Conformance to SCSI-2 This optical disk device supports the basic functions of SCSI-2. SCSI commands enable data manipulation using logical block addresses that are independent of the physical attributes of the optical disk device, enabling software flexibility in terms of system expansion in the future. (2) Continuous block processing Logical block addresses are used for data block addressing.
  • Page 28 General Description When the write cache feature is enabled, a write error is reported at the completion status of next command. At a system so that the host retries the command, a retry process may be failed. (6) Defective block slipping When a disk is initialized, logical data blocks are reallocated in a physical sequence by slipping defective data blocks.

  • Page 29: Drive Configuration

    1.2 Drive Configuration 1.2 Drive Configuration 1.2.1 Drive model Figures 1.1 and 1.2 show the outer view. Figure 1.1 Outer view (with panel) Figure 1.2 Outer view (without panel) C156-E224-01EN...

  • Page 30: Configuration

    General Description 1.2.2 Configuration Figure 1.3 shows the drive configuration. The drive consists of mechanical sections, a fixed optics section, actuator, and a control circuit section. The mechanical sections include the spindle motor, actuator section, bias magnet, and the cartridge folder vertical motion mechanism. The fixed optics section consists of the optical components, position detector, and LD controller.

  • Page 31: Mechanical Sections

    1.2.3 Mechanical sections (1) Optical disk cartridge load/eject The system includes a cartridge mechanism which lowers the optical disk cartridge and mounts (loads) it on the spindle motor automatically when the optical disk cartridge is fully inserted in the optical disk drive's disk slot, and a mechanism which automatically ejects the cartridge when the Eject button on the front panel is pressed.

  • Page 32: Control Circuit Section

    General Description 1.2.4 Control circuit section Figure 1.4 is the block diagram of the control circuit section. Figure 1.4 Control circuit section block diagram The control circuit section is divided into two parts: a controller section which deals with control between the SCSI interface and drive interface, and a drive circuit section which controls the drive.
  • Page 33 1.2 Drive Configuration The DSP (digital signal processor) is used for the servo/seek control circuit to reduce the circuit amount, therefore this circuit is a simple configuration. The drive circuit section executes operations such as seek, erase, record, and playback while the MPU controls the focus-tracking of the beam. C156-E224-01EN 1-11...
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  • Page 35: Chapter 2 Specifications

    2.1.1 Model and product number Table 2.1 lists the model and order number. Table 2.1 Model and order number Model Name Order No. MCJ3230SS CA05890-B001 CA05890-B201 CA05890-B101 Note: The panel colors (2.5Y 7.2/0.4) are indicated in Munsell symbols. (JIS Z8721)

  • Page 36: Drive Specifications

    Specifications 2.1.2 Drive specifications Table 2.2 lists MCJ3230SS drive specifications Table 2.2 Specifications (1 of 2) Item Optical disk cartridge 128 MB media Total capacity Unformatted 181 MB Formatted 128 MB Capacity/track Unformatted 18,100 bytes Formatted 12,800 bytes Capacity/sector Unformatted...

  • Page 37: Table 2.2 Specifications (2 Of 2)

    Table 2.2 Specifications (2 of 2) Item Optical disk cartridge 128 MB media 24,424 bpi Density (1.04µm/bit) 15,875 tpi Loading time *3 Unloading time *4 Load/unload life Host interface Data Transfer Model and rates Data buffer Error correction *5 The number of user tracks indicates the maximum user zone which includes the spare area and slipping area.

  • Page 38: Environmental And Power Requirements

    (5 to 500 Hz, sine sweep AV record/play) Shock 19.6 m/s (10ms, half-sine pulse) 9.8 m/s (5 to 500 Hz, sine sweep) Shock 49 m/s (10 ms, half-sine pulse) Shock 490 m/s (10 ms, half-sine pulse) Requirement: Packing conditions specified by Fujitsu C156-E224-01EN...

  • Page 39: Table 2.3 Environmental And Power Requirements (2 Of 2)

    For details, refer to section 3.1.3 'Air Flow' 1. Current limiter value for +5 VDC power: 5 A or less 2. Specifications under transporting condition are under the packaging specified by Fujitsu. A voltage drop may occur depending on the used power supply or power cable.

  • Page 40: Error Rate

    Specifications 2.1.4 Error rate Data blocks to be accessed are evenly distributed on the disk. Errors due to disk defects are not included. (1) Bit error rate after ECC processing The error rate after ECC processing must be 10 whose raw error rate is 10 (2) Positioning error rate The positioning error rate must be 10 2.1.5 Reliability...

  • Page 41: Optical Disk Cartridge Specifications

    2.2 Optical Disk Cartridge Specifications 2.2.1 Recommended optical disk cartridge specifications The following three disk types comply with the specifications. Table 2.5 shows the specifications of the optical disk cartridge recommended for this optical disk drive. The use of another disk cartridge may lower drive performance.

  • Page 42: Optical Disk Cartridge

    Specifications 2.2.2 Optical disk cartridge Figure 2.1 shows an optical disk cartridge. The figure below shows the cartridge with its shutter open. Shutter closed 2) Shutter b. Shutter open Figure 2.1 Optical disk cartridge 1) Cartridge case 3) Write protect tab 4) Disk 5) Hub C156-E224-01EN...

  • Page 43: Disk Specifications

    The following explains the components of the optical disk drive shown in Figure 2.1: 1) Cartridge case Covers the disk to protect it from damage when handled and facilitates disk replacement. The cartridge case is labeled and has a write protect tab. 2) Shutter Protects the disk against dust.

  • Page 44: Table 2.6 Disk Specifications

    Specifications Reliability Read cycle Erase/write/read cycle Load/unload cycle Archival life (according to acceleration test results) Shelf life (according to acceleration test results) Environmental Operating temperature requirements Operating relative humidity Storage temperature Storage humidity Archival life is the period in which recorded information can be read. Shelf life is the period in which information to be recorded can be written.

  • Page 45: Defect Management

    2.3 Defect Management 2.3.1 Defect management schematic diagram Defective sectors on the disk shall be replaced by good sectors according to the defect management scheme as follows: Defective sectors found during surface certification are handled by a sector slipping algorithm. Defective sectors found after initialization are handled by a linear replacement algorithm.

  • Page 46: Figure 2.3 Example Of Alternate Processing

    Specifications Figure 2.3 Example of alternate processing 2-12 C156-E224-01EN...

  • Page 47: Chapter 3 Installation Requirements

    CHAPTER 3 Installation Requirements 3.1 Environmental Requirements 3.2 Mounting Requirements 3.3 Power supply Requirements 3.4 Cable Connections 3.5 Settings 3.6 Notes on Drive Handling 3.7 Mounting 3.8 Cable Connections 3.9 Operation Confirmation and Preparation for Use after Installation 3.10 Dismounting Drive This chapter describes environmental, mounting, power supply, and connection requirements.

  • Page 48: Figure 3.1 Surface Temperature Measurement Points

    Installation Requirements a) Inside optical disk cartridge Hole for inserting thermocouple b) IC (controller, read amp) IC (controller) Figure 3.1 Surface temperature measurement points IC (read amp) IC (power amp) Operating of inner partition wall Tip of thermocouple C156-E224-01EN...

  • Page 49: Temperature Requirements And Measuring Method

    3.1.2 Temperature requirements and measuring method Table 3.1 shows the temperature requirement at each measurement point shown in Figure 3.1. Table 3.1 Temperature requirements at measurement points Measurement point Cartridge inside IC (controller) surface IC (read amp.) surface IC (power amp.) surface * Following procedure is for temperature measurement of inside cartridge.

  • Page 50: Temperature Rise Under Several Conditions

    Installation Requirements 3.1.4 Temperature rise under several conditions Table 3.2 Temperature at each measuring point (Reference) [Ambient atmospheric temperature of the optical disk drive: 45°C] Measurement point Inside cartridge IC (controller) surface IC (read amp.) surface IC (power amp.) surface Thermal sensor Notes: The above data are data estimated as they were measured where the...

  • Page 51: Mounting Requirements

    3.2 Mounting Requirements 3.2.1 External dimensions Figures 3.2 to 3.3 show the dimensions of the drive and the positions of the mounting holes. C156-E224-01EN Figure 3.2 Dimensions 3.2 Mounting Requirements Unit: mm...

  • Page 52: Figure 3.3 Dimensions (Without Panel)

    Installation Requirements Unit: mm Figure 3.3 Dimensions (without panel) C156-E224-01EN...

  • Page 53: Installation Direction

    3.2.2 Installation direction Figure 3.4 shows the permissible installation directions for this drive. The mounting angle tolerance must be within -5 to 10 from the horizontal. (-) shows that the insertion faces below. • Horizontal Disk insertion slot Manual eject hole •...

  • Page 54: Centers Of Gravity

    Installation Requirements 3.2.3 Centers of gravity Figure 3.5 shows the centers of gravity of the drive. Figure 3.5 Centers of gravity C156-E224-01EN...

  • Page 55: Notes On Mounting

    3.2.4 Notes on mounting (1) Mounting frame structure and clearance a) For vibration resistance and heat dissipation, this optical disk drive uses an embossed structure as shown in Figure 3.6, as well as a frame which has a construction similar to other frames which perform the same function. b) As shown in Figure 3.6, the inward projection of the mounting screw from the outer surface of the drive frame must not exceed 3 mm.

  • Page 56: Figure 3.7 Service Clearance

    Installation Requirements (2) Panel function processing When installed in a cabinet, do not change the panel formal. The processing is installation status and the disk insertion door can be closed from any locations. (3) Service clearance Figure 3.7 shows locations which must be accessed for installation and maintenance.

  • Page 57: Power Supply Requirements

    (7) System ground The optical disk drive should be grounded to the signal ground (SG) of the power supply of the system. This SG line should be supplied with the system. The Frame Ground is shorted in the optical disk drive by a metal strip attached to the vibration isolation rubber between the frame (FG) and the base (SG).

  • Page 58: Cable Connections

    Installation Requirements 3.4 Cable Connections 3.4.1 Drive connectors Figure 3.9 shows the connector and terminal locations. Figure 3.9 Connector and terminal locations Power connector SCSI connector Figure 3.10 Location of setting terminal 3-12 + 12VDC or not connected +12VDC RETURN (GND) or not connected + 5VDC RETURN (GND) + 5VDC...

  • Page 59: Figure 3.11 Shape Of Setting Terminal

    3.4 Cable Connections PC board Figure 3.11 Shape of setting terminal C156-E224-01EN 3-13...

  • Page 60: Table 3.3 Pin Assignments

    Installation Requirements Pin No. Pin name SCSI-ID (-) SCSI-ID1 SCSI-ID (-) SCSI-ID2 SCSI-ID (-) SCSI-ID4 TERM Write Cache Mode Spindle Automatic Stop Mode CTGIN EJSW LED (+) LED (-) When pins 2, 4, and 6 are used, connect each pin to SCSI-ID (-). When pins 8, 10, 12, 13, and 14 are used, connect each pin to GND.

  • Page 61: Cable Connector Specifications

    SCSI cable. C156-E224-01EN Name Model FCN-707B050-AU/B FCN-707B050-AU/O UL20184- LT25PX28AWG 455-248-50 1-480424-0 170121-4 AWG18 LPC-16F02 LPC-F104N AWG28 3.4 Cable Connections Manufacturer Fujitsu Ltd. Fujitsu Ltd. Hitachi Cable, Ltd. SPECTRA- STRIP Honda-Tsushin Honda-Tsushin 3-15...

  • Page 62: Connection Modes

    Installation Requirements 3.4.3 Connection Modes Figure 4.3 shows examples of connections between the host system and the optical disk drive. Up to eight devices including the host adapter, optical disk drive, and other SCSI equipment can be connected to the SCSI bus in arbitrary combinations. Install a terminating resistor on the SCSI devices connected to either end of the SCSI cable.

  • Page 63: Figure 3.13 Scsi Bus Connection Modes

    3.4 Cable Connections Connecting more than one optical disk drive (multi-host) Figure 3.13 SCSI bus connection modes Note: If more than one SCSI device is connected to the same SCSI bus, Fujitsu recommends using an external terminator. C156-E224-01EN 3-17...

  • Page 64: Settings

    Installation Requirements 3.5 Settings 3.5.1 Default jumper settings Figure 3.14 shows the types of switches and their settings when the drive was shipped. Figure 3.14 Setting terminal (CNH2) 3.5.2 Setting terminal (1) SCSI ID Table 3.5 shows the SCSI ID settings of the drive. Table 3.5 SCSI ID setting (CNH2) SCSI ID 6 *1...

  • Page 65: Table 3.6 Scsi Terminating Resistor Mode

    1) Each SCSI device connected to the same SCSI bus must have a unique SCSI ID. 2) If contention occurs in the ARBITRATION phase, the priority of the SCSI use authority depends on SCSI IDs as follows: 7 > 6 > 5 > 4 > 3 > 2 > 1 > 0 (2) SCSI terminating resistor mode Enabling or disabling the SCSI terminating resistor, module on the PCA can be set.

  • Page 66: Table 3.8 Spindle Motor Automatic Stop Mode Setting

    Installation Requirements When the write cache feature is enabled, a write error is reported at the completion status of next command. At a system so that the initiator retries the command, a retry process may be failed. (4) Spindle automatic stop mode The optical disk drive automatically enters standby mode if it receives no commands from the host for about 32 minutes (default value).

  • Page 67: Notes On Drive Handling

    3.6 Notes on Drive Handling (1) General notes Note the following points to maintain drive performance and reliability: Device damage: 1) Shock or vibration applied to the drive that exceeds the values defined in the standard damage the drive. Use care when unpacking.
  • Page 68 Installation Requirements (3) Installation • Do not connect or disconnect the connectors or change the terminal settings when the power is on. • Do not move the drive with the power on. • Eject the optical disk cartridge, lock the carriage securing the head, turn off the power, then move the drive.

  • Page 69: Figure 3.15 Packing Style

    Desiccant MCJ3230SS Conductive bag Eject pin (use a sealing tape) Shipping Label (2) Master carton (12/24 units) Single-unit packing (5) Transportation • Transport the optical disk drive packed in principle, with the UP sign upward. • After unpacking, minimize the transportation distance and use cushions to avoid shock and vibration.

  • Page 70: Mounting

    Installation Requirements 3.7 Mounting 3.7.1 Checks before mounting the drive Before mounting the optical disk drive in the system cabinet, check whether the jumper settings are set correctly. 3.7.2 Mounting procedure How the drive is mounted depends on the system cabinet structure. Determine the mounting procedure in consideration of the requirements of each system.

  • Page 71: Cable Connections

    3.8 Cable Connections Use the following cables to connect the drive to the system. See Subsection 3.4 for details on the connector positions and cable requirements. • Power supply cable • SCSI interface cable • DC ground cable (if required) The general procedure for cable connection and notes on connecting cables are given below.

  • Page 72: Operation Confirmation And Preparation For Use After Installation

    Installation Requirements 3.9 Operation Confirmation and Preparation for Use after Installation 3.9.1 Confirming initial operations This section provides the operation check procedures after the power is turned on. (1) Initial operation when the power is turned on • When the power is turned on, the drive starts initial self-diagnosis. The LED on the front panel is on for 1 second during initial self-diagnosis.

  • Page 73: Connection Check

    3.9.2 Connection check When initial operation check terminates normally after the power is turned on, check whether the drive is correctly connected by issuing command from the host system. Checking procedure depends on the host system configuration. If processing terminates abnormally: 1) If sense data has been obtained by the REQUEST SENSE command, analyze the sense data.
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  • Page 75: Chapter 4 Host Interface

    CHAPTER 4 Host Interface 4.1 Interface Connector 4.2 Various Processes 4.3 SCSI Comands 4.4 SCSI Messages 4.5 Timing Rule This chapter describes host interface specification. 4.1 Interface Connector The nonshielded SCSI connector installed on the ODD is a 50-conductor connector consisting of two rows of 25 male pins with adjacent pins 2.54 mm (0.1 in.) apart.

  • Page 76: Figure 4.2 Scsi Interface Connector (Cable Side)

    Host Interface Symbol Notes: The tolerance is ± 0.127 mm unless otherwise specified. A connector cover and strain relief are not shown in this figure. Figure 4.2 SCSI interface connector (cable side) Remarks 2.540 60.960 2.540 3.302 32.385 68.072 6.096 7.620 Maximum value C156-E224-01EN...

  • Page 77: Table 4.1 Scsi Interface Connector Pin Assignments (Single-Ended Type)

    Table 4.1 SCSI interface connector pin assignments (single-ended type) * Terminating resistor power supply (jumper selectable: input only, both input and output, or open) Note that shielded end processing is not performed with the connector on the main unit's optical disk unit for cables that use pin No.9 as the shielded ground.

  • Page 78: Various Processes

    Host Interface 4.2 Various Processes 4.2.1 Reset response Three types of reset responses are available. • Power-On Reset The ODD performs initialization processes such as initial diagnosis and default setting. It also starts rotation of the media, if any is mounted. •...

  • Page 79: Cache Function

    4.2.4 Cache function The ODD supports read cache and MO write cache. The read cache consists of the read-ahead cache and the LRU cache that reads write data remaining in the data buffer. The read-ahead cache enables data transfer at almost the same speed as the effective transfer speed during continuous read operation without causing delays resulting from rotation latency.

  • Page 80: Mo Write Cache

    Host Interface • Data read before power-off • Data stored before media is mounted All buffer data is discarded when: • The power is turned off. • The media is ejected. • A FORMAT UNIT command is received. • The ODD is in standby mode. Buffer data may be discarded when: •...

  • Page 81: Active Mode

    4.2.6.1 Active mode In active mode, all circuits are enabled and the time for command processing is minimized. 4.2.6.2 Pre-idle mode In pre-idle mode, the read and write circuits are in stopped state. The ODD can receive a command from the host, but since some circuits are stopped, the command requires an additional 20 ms to access the media.

  • Page 82: Power Mode Transition

    Host Interface 4.2.6.6 Power mode transition The power mode transition is shown in Figure 4.3. Media insertion Idle The ODD enters idle mode because it receives no command within a specified time. The ODD enters standby mode based on the standby timer. The ODD enters active mode because it receives a media access command.

  • Page 83: Led Indications

    4.2.7 LED indications The ODD notifies the operator of a serious error by turning on or blinking an LED. Table 4.2 lists the LED indications and the corresponding operations. LED indication Blinking (on for 0.1 s and off for 0.7 s repeatedly) Blinking (on for 0.1 s and off for 0.1 s repeatedly) Blinking...

  • Page 84: Scsi Commands

    Host Interface 4.3 SCSI Commands Table 4.3 lists the SCSI commands supported by MCJ3230SS. (HEX) 4-10 Table 4.3 SCSI commands Command name length ERASE FORMAT UNIT INQUIRY MODE SELECT MODE SENSE PREVENT/ALLOW MEDIUM REMOVAL READ (6) READ (10) READ CAPACITY...

  • Page 85: Test Unit Ready Command

    4.3.1 TEST UNIT READY command The TEST UNIT READY command checks whether a logical unit is ready to operate. Table 4.4 TEST UNIT READY command Byte If the ODD power is on and the ODD is ready to operate, the command reports GOOD status.

  • Page 86: Table 4.6 Inquiry Command Response Data

    Additional length (2Bh) Reserved Wbus16 Sync '1' Linked '0' Vendor Information "FUJITSU" (in ASCII) Product Information "MCJ3230SS" (in ASCII) Firmware Revision Level "0000"-"999z" (in ASCII) Firmware Local Revision 00h-FFh (in HEX) Boot Firmware Revision Level 00h-FFh (in HEX) Signature "MO" (in ASCII)

  • Page 87: Read Capacity Command

    4.3.3 READ CAPACITY command Table 4.7 READ CAPACITY command Byte The READ CAPACITY command transfers data related to the media capacity to INIT. Any value specified for the Partial Medium Indicator (PMI) bit is ignored. The transfer data is listed in Table 4.8. Table 4.8 READ CAPACITY data Byte Last Logical Block Address indicates the address of the last block that can be...

  • Page 88: Table 4.10 Mode Page Codes

    Host Interface parameters are incomplete, the command responds with Check Condition without any processing. Table 4.10 lists the pages supported. Read-Write Error Recovery Page Flexible Disk Page Caching Page Power Condition Page Verify Control Page Table 4.11 is a mode parameter list. Byte The mode parameter list consists of Mode Parameter Header, Block Descriptor, and Mode Page.

  • Page 89: Table 4.13 Block Descriptor

    Byte Table 4.14 shows the format of the Mode Page field. Byte (1) Read/write error recovery page Table 4.15 Read/write error recovery page Byte PS (1) AWRE Reserved 9-11 If the Automatic Write Reallocation Enabled (AWRE) bit is 0, no automatic alternate block assignment is made by the WRITE (6), WRITE (10), or WRITE AND VERIFY command.

  • Page 90: Table 4.16 Variable Values In The Read-Write Error Recovery Page

    Host Interface • Seven or eight error bytes occurring per interleaving are corrected by the ECC feature during a read operation. • A defective sector is detected and replaced with an alternate sector during a write operation. • An error occurs in one of four sets of media data during media management information (DMA) write operation caused by the FORMAT UNIT command (MEDIUM ERROR is set if an error occurs in two, three, or four sets of four sets).

  • Page 91: Table 4.18 Flexible Disk Page

    (2) Flexible disk page Byte 10-19 21-27 28-29 30-31 The Flexible disk page is only supported for compatibility of device drivers. Device drivers should not use this page to guarantee the logical compatibility of media. The unit of Transfer Rate is kbps. Number of Heads, Sectors per Track, and Number of Cylinders define logical values, and do not indicate physical values.

  • Page 92: Table 4.19 Variable Values In The Flexible Disk Page

    Host Interface Table 4.19 Variable values in the flexible disk page Byte 10-19 21-27 28-29 30-31 Table 4.20 Default values in the flexible disk page Byte 10-19 21-27 28-29 30-31 4-18 0000h 0000h 0000h 0000h 3E80h 640 MB, 1.3 GB, or 2.3 GB media: 800h Other media or Not Ready: 200h Number of media LBAs: 40h x 20h (If Not Ready, the value of the maximum capacity media...

  • Page 93: Table 4.21 Caching Page

    (3) Caching page Byte PS (1) 3-19 If the Write Cache Enable (WCE) bit is 0, the write cache function for the WRITE (6), WRITE (10), and WRITE AND VERIFY commands is disabled. If the bit is 1, the write cache function is enabled. If the Read Cache Disable (RCD) bit is 0, the read-ahead cache function for the READ (6) and READ (10) commands is enabled.

  • Page 94: Table 4.25 Variable Values In The Power Condition Page

    Host Interface Any values specified for the Idle bit or Idle Condition Timer bits are ignored. The ODD always uses the default timer values. If the Standby bit is 1, Standby Condition Timer defines the time elapsed before the ODD enters standby mode after it enters idle mode. Specify the values for Idle Condition Timer and Standby Condition Timer in units of 100 ms.

  • Page 95: Table 4.28 Verify Mode

    If the Streaming Mode (SM) bit is 0, a test write operation may interrupt a read or write operation. If the bit is 1, the test write operation is suppressed during continuous read or write operation. Fujitsu recommends setting the SM bit to 0. Verify Mode (VM) specifies a verify operation for the WRITE command.

  • Page 96: Mode Sense Command

    Host Interface 4.3.5 MODE SENSE command Table 4.31 MODE SENSE command Byte The MODE SENSE command transfers a mode parameter list to INIT. If Disable Block Descriptor (DBD) is 1, the command does not return a block descriptor. If DBD is 0, the command returns a block descriptor. Allocation Length specifies the number of bytes of the mode parameter to be transferred.

  • Page 97: Table 4.33 Mode Parameters

    The mode parameter list consists of Mode Parameter Header, Block Descriptor, and Mode Page. Table 4.34 shows the format of the Mode Parameter Header field. Table 4.34 Mode Parameter Header Byte Medium Type Code returns the following values: • 03h for normal MO media •...

  • Page 98: Start/Stop Unit Command

    Host Interface Each field value of Block Descriptor is valid only when accessible media is inserted. If accessible media is not inserted, 0 is returned. Table 4.36 shows the format of the Mode Page field. Byte If PS is 1, page data can be saved to flash ROM. 4.3.6 START/STOP UNIT command Table 4.37 START/STOP UNIT command Byte...

  • Page 99: Reserve Command

    4.3.7 RESERVE command Table 4.39 RESERVE command Byte As with the RELEASE command (explained next), the RESERVE command controls exclusive access to the logical unit (ODD) in a multi-initiator environment. The ODD is reserved for another SCSI device by the INIT that issues this command.

  • Page 100: Release Command

    Host Interface 4.3.8 RELEASE command Table 4.40 RELEASE command Byte The RELEASE command releases the ODD reserved by the INIT that issued this command. When any of the following conditions is met, the command ends with GOOD status but it does not affect the reserved status of the ODD: •...

  • Page 101: Table 4.42 Request Sense Data

    Table 4.42 shows the format of the Sense Data field. Table 4.42 Request Sense Data Byte Valid Reserved (0h) 8-11 15-17 18-31 If the Valid bit is 1, the Information field is valid. Error Code indicates the sense data format and type. See Table 4.43. Error Code 70h (current error) 71h (deferred error)

  • Page 102: Table 4.44 Sense Key

    Host Interface Sense Mnemonic NO SENSE RECOVERED ERROR NOT READY MEDIUM ERROR HARDWARE ERROR ILLEGAL REQUEST UNIT ATTENTION DATA PROTECT BLANK CHECK Reserved ABORTED COMMAND Reserved Information indicates the LBA of the block in which an error occurred. If errors occur in multiple blocks, Information indicates the LBA of the block in which the first error occurred.

  • Page 103: Table 4.46 Asc And Ascq Definitions

    Table 4.46 ASC and ASCQ definitions Sense ASCQ LOGICAL UNIT NOT READY, CAUSE NOT REPORTABLE LOGICAL UNIT NOT READY, FORMAT IN PROGRESS TRACK FOLLOWING ERROR LOGICAL UNIT COMMUNICATION CRC ERROR TRACKING SREVO ERROR WRITE ERROR WRITE ERROR/AUTO REALLOCATION FAILED ID CRC ERROR UNRECOVERED READ ERROR POSITIONING ERROR DETECTED BY READ OF MEDIUM RECOVERED DATA WITHOUT ECC/DATA AUTO...

  • Page 104: Table 4.47 Format Progress Indication Bytes

    Host Interface Sense ASCQ OVERLAPPED COMMAND ATTEMPTED MEDIA LOAD OR EJECT FAILED MEDIUM REMOVAL PREVENTED THERMAL ERROR Table 4.47 shows the format of the Sense-Key Specific field. Progress Indication is valid only when Sense Key is NOT READY and the SKSV bit is 1. Otherwise, the field is set to 00h.

  • Page 105: Prevent/Allow Medium Removal Command

    4.3.10 PREVENT/ALLOW MEDIUM REMOVAL command Table 4.48 PREVENT/ALLOW MEDIUM REMOVAL command Byte The PREVENT/ALLOW MEDIUM REMOVAL command enables or disables media ejection from the device. If the Prevent bit is 0, ejection is enabled. If the Prevent bit is 1, ejection is disabled.

  • Page 106: Read (6) Command

    Host Interface 4.3.11 READ (6) command The READ (6) command reads the specified number of blocks of data from the specified logical block address and transfers it to INIT. Table 4.50 CDB of READ (6) command Byte Logical Block Address specifies the logical block address at which the command should start reading data.

  • Page 107: Verify Command

    4.3.13 VERIFY command Byte The VERIFY command verifies the specified number of blocks beginning at the specified logical block address. Logical Block Address specifies the logical block address at which the command should start verifying data. Verification Length specifies the number of blocks to be verified. If Verification Length is 0, the command ends normally without verifying any data.

  • Page 108: Write (10) Command

    Host Interface • The Verify mode setting in the mode parameter (Verify Control Page) can be set to omit verify processing. Omitting verify processing shortens processing time by about 25%. 4.3.15 WRITE (10) command Table 4.54 WRITE (10) command Byte The WRITE (10) command receives the specified number of blocks of data and begins writes it beginning at the specified logical block address.

  • Page 109: Seek (6) Command

    4.3.17 SEEK (6) command Byte The SEEK (6) command performs a seek operation on the block specified by the logical block address. • After finishing the seek operation normally, the command reports GOOD or INTERMEDIATE GOOD status. If the command fails in the seek operation, it reports CHECK CONDITION status.

  • Page 110: Erase Command

    Host Interface 4.3.19 ERASE command Byte The ERASE command erases the specified number of blocks of data beginning at the specified logical block address. Logical Block Address specifies the logical block address at which the command should start writing data. Transfer Length specifies the number of blocks of data to be transferred and written.

  • Page 111: Format Unit Command

    4.3.21 FORMAT UNIT command Table 4.60 FORMAT UNIT command Byte The FORMAT UNIT command physically formats media according to the specified parameter values. If the FmtData bit is 1, a FORMAT UNIT parameter list must be transferred. The command ignores Defect List Format. If the FmtData bit is 0, the command formats the media according to the internal default values without transferring a FORMAT UNIT parameter list.

  • Page 112: Read Defect Data Command

    Host Interface 4.3.22 READ DEFECT DATA command Table 4.63 READ DEFECT DATA command Byte Reserved The READ DEFECT DATA command transfers media defect data to INIT. If Plist is 1, the command transfers the header and PDL. If Glist is 1, the command transfers the header and SDL.

  • Page 113: Send Diagnostic Command

    Byte Track address of defective block Sector address of defective block (See Table 4.67.) Table 4.67 Sector address format Byte Media other than 2.3 GB: 2.3-GB media: 4.3.23 SEND DIAGNOSTIC command Table 4.68 SEND DIAGNOSTIC command Byte The SEND DIAGNOSTIC command instructs diagnostic operation from INIT. If the SelfTest bit is 1, the command diagnoses the data buffer.

  • Page 114: Write Buffer Command

    Host Interface The RECEIVE DIAGNOSTIC RESULTS command transfers the results of the diagnosis specified by the SEND DIAGNOSTIC command to INIT. The RECEIVE DIAGNOSTIC RESULTS command is issued following the SEND DIAGNOSTIC command. If the command does not follow the SEND DIAGNOSTIC command or if there is no data to be transferred, the command ends normally without transferring any data.

  • Page 115: Read Long Command

    4.3.26 READ LONG command Table 4.71 READ LONG command Byte The READ LONG command reads data in the data, CRC, and ECC sections from the specified logical block address. The length of the transfer data must be a multiple of 600 (258h) bytes for 512-byte media and a multiple of 2380 (94Ch) bytes for 2048-byte media.

  • Page 116: Scsi Messages

    Host Interface 4.4 SCSI Messages SCSI messages are used to control the SCSI bus operating sequence. This section explains how SCSI messages work. 4.4.1 Message formats There are three types of message formats. In any format, the first byte of each message is a message code (see Table 4.73).

  • Page 117: Message Functions

    4.4.3 Message functions This section explains the function of each message. The symbols in the following explanations have the following meanings: (I → T): Message that can only be sent from INIT to TARG (T → I): Message that can only be sent from TARG to INIT (I ←→...
  • Page 118 Host Interface (6) MESSAGE REJECT message: 07h (I → T) The message received most recently is invalid or unsupported. (7) NO OPERATION message: 08h (I → T) This message causes no operation. (8) MESSAGE PARITY ERROR message: 09h (I → T) This message notifies TARG that a parity error was detected in the last message, in the last byte received by the INIT.

  • Page 119: Table 4.74 Transfer Mode Settings Requested By Init To Odd

    Table 4.74 lists the values of Transfer Period and the corresponding synchronous transfer rates. Table 4.74 Transfer mode settings requested by INIT to ODD Transfer Period requested by INIT acknowledged by ODD 00h ~ 0Ch 0Dh ~ 12h 13h ~ 19h 1Ah ~ 25h 26h ~ 32h 33h ~ 3Fh...

  • Page 120: Timing Rule

    Host Interface 4.5 Timing Rule Table 4.75 Timing specifications (1 of 3) Name Arbitration 2.4 µs min. Delay Assertion Period 90 ns min. Bus Clear Delay 800 ns max. Bus Free Delay 800 ns min. Bus Set Delay 1.8 µs max. 4-46 Standard Timing specification...

  • Page 121: Table 4.75 Timing Specifications (2 Of 3)

    Table 4.75 Timing specifications (2 of 3) Name Bus Settle Delay 400 ns min. Cable Skew 10 ns max. Delay Data release 400 ns max. Delay Deskew Delay 45 ns min. Hold Time 45 ns min. Negation Period 90 ns min. Power-On to 10 sec max.

  • Page 122: Table 4.75 Timing Specifications (3 Of 3)

    Host Interface Table 4.75 Timing specifications (3 of 3) Name Selection 250 ms min. Timeout Delay [Recommende d value] Transfer Period 4-48 Standard Timing specification In a SELECTION or RESELECTION phase, the minimum time during which the INIT or TARG waits for a BSY signal from the SCSI device to be selected before it initiates timeout processing.

  • Page 123: Figure 4.4 Bus Free Phase

    Table 4.76 FAST SCSI Timing specifications Name Fast Assertion 30 ns min. Period Fast Cable Skew 5 ns max. Delay Fast Deskew 20 ns min. Delay Fast Hold Time 10 ns min. Fast Negation 30 ns min. Period C156-E224-01EN Standard Timing specification In FAST SCSI data transfer mode, minimum pulse width of an ACK signal sent by INIT and...

  • Page 124: Figure 4.5 Arbitration Phase

    Host Interface Figure 4.5 ARBITRATION phase 4-50 C156-E224-01EN...

  • Page 125: Figure 4.6 Selection Phase

    4.5 Timing Rule µ Figure 4.6 SELECTION phase Figure 4.7 RESELECTION phase C156-E224-01EN 4-51...

  • Page 126: Figure 4.8 Transfer In Asynchronous Mode

    Host Interface Figure 4.8 Transfer in asynchronous mode 4-52 C156-E224-01EN...

  • Page 127: Figure 4.9 Transfer In Fast Scsi Mode

    4.5 Timing Rule Figure 4.9 Transfer in FAST SCSI mode C156-E224-01EN 4-53...

  • Page 128: Figure 4.10 Attention Condition

    Host Interface Figure 4.10 ATTENTION condition 4-54 C156-E224-01EN...

  • Page 129: Chapter 5 Operation And Cleaning

    CHAPTER 5 Operation and Cleaning 5.1 Operating Optical Disk Drive 5.2 Cleaning Drive 5.3 Optical Disk Cartridge Operation 5.4 Cleaning Optical Disk Cartridge This chapter describes how to operate and clean the drive and the optical disk cartridges. 5.1 Operating Optical Disk Drive The drive has an automatic load function.

  • Page 130: Optical Disk Drive

    Operation and Cleaning 5.1.1 Optical disk drive • • Horizontal Horizontal Disk insertion slot Manual eject hole • Vertical (Two orientations) Figure 5.1 Optical disk drive front view (with panel) The following explains the parts and functions of the optical disk drive (the following numbers correspond to the numbers in Figures 5.1): 1) Disk insertion slot Use this slot to insert and eject the optical disk cartridge.

  • Page 131: Note

    5.1.2 Note To maintain the performance and reliability of the drive, keep the following point in mind: • When the drive is in the busy state, do not eject the optical disk cartridge. Particularly, do not manually eject the cartridge by force. •...

  • Page 132: Figure 5.2 Inserting Cartridge

    Operation and Cleaning 4) Push the cartridge into the slot until it completes moving below (a little further in than the operator panel). The cartridge remains inserted in the drive. The BUSY LED indicator lamp lights when the drive power is turned on. The cartridge remains inserted in the drive.

  • Page 133: Ejecting (Removing) Cartridge

    5.1.4 Ejecting (removing) cartridge Remove the cartridge as explained below. (1) When the drive power is on: The cartridge can be removed by pressing the eject button. (See figure 5.3) Notes: 1) If the SCSI command prevents ejection, the cartridge cannot be removed. 2) Even if the drive set-up conditions are met, note that the cartridge can drop from the drive after ejection depending on the ambient environment and the cartridge's condition.

  • Page 134: Cleaning Drive

    Operation and Cleaning 5.2 Cleaning Drive When a dust or smoke of cigarette is stained to the lens actuator, a performance of whole drive may be down. Clean the lens actuator periodically using following head cleaner. Note: Cleaning period differs depending on the installation condition. Usually, cleaning period is once a three months.

  • Page 135: Optical Disk Cartridge Operation

    5.3 Optical Disk Cartridge Operation 5.3.1 Optical disk cartridge Figure 5.4 shows the optical disk cartridge. For operation and cleaning, users should be familiar with the parts shown in the figure. See Subsection 2.3.2 for the functions of the parts. Shutter closed 2.

  • Page 136: Write Protect Tab

    Operation and Cleaning 5.3.2 Write protect tab Moving the write protect table determines whether to enable or disable writing of the optical disk cartridge. Use a fingernail to move the write protect tab (it must be completely moved to the end because there is play in the middle). Figure 5.5 shows the write protect tab location on the optical disk cartridge and the moving state of the write protect tab (see "write enabled"...

  • Page 137: How To Affix An Index Label On The Mo Cartridge

    5.3.3 How to affix an index label on the MO cartridge (See figure 5.6) (1) Note the following when affixing an index label: • Be careful not to let the label become misaligned. • Be sure to prevent the formation of air bubbles or peeling. (2) How to affix an index label Follow the procedure below when affixing an index label.
  • Page 138 Operation and Cleaning (2) When storing the cartridge: • Do not place a heavy objects on the cartridge. • Do not store the cartridge where exposed to direct sunlight or where the temperature changes sharply, the temperature is high, or the humidity is high. •...

  • Page 139: Cleaning Optical Disk Cartridge

    5.4 Cleaning Optical Disk Cartridge Dust or cigarette smoke particulates on the disk surface lowers the performance of the cartridge. Regularly clean the disk. The cleaning frequency depends on the drive installation environment. Determine how often the drive should be cleaned in consideration of the environment.

  • Page 140: Cleaning Procedure

    Operation and Cleaning Damage for disk medium: Use the cleaning solution and cleaning cloth specified in Table 5.2. If other than the specified items is used, disk media surface may be damaged. (2) Notes on usage and storage of cleaning kit •...

  • Page 141: Figure 5.8 Cleaning Procedure (2)

    2) Set the cartridge with keeping label side down and shutter open to the shutter stopper of the setting case as shown in Figure 5.8. Spindle Setting case as shown Figure 5.8 Cleaning procedure (2) Damage for disk medium: At setting the cartridge to the setting case, do not apply the heavy shock and push hardly.

  • Page 142: Figure 5.10 Cleaning Procedure (4)

    Operation and Cleaning Eye inflammation: In case of contact with eyes, immediately flush eyes with water. 6) Wipe the disk surface from the hub outward. 7) Turn the revolving knob, then wipe the disk surface. Figure 5.10 Cleaning procedure (4) 8) If the excess cleaning solution remains on the disk surface, wipe out with the cleaning cloth.

  • Page 143: Chapter 6 Diagnosis And Maintenance

    CHAPTER 6 Diagnosis and Maintenance 6.1 Diagnosis 6.2 Maintenance Information This chapter contains diagnosis and maintenance information. 6.1 Diagnosis Table 6.1 shows a test executed by the diagnostic function. The drive has a self-diagnostic function. This function can check the basic operations of the drive.

  • Page 144: Diagnostic Command

    Diagnosis and Maintenance 6.1.2 Diagnostic command The host system can make the ODD execute the self diagnosis by issuing the EXECUTIVE DEVICE DIAGNOSTIC command. See Section 4.7.2, "EXECUTIVE DEVICE DIAGNOSTIC", in details. 6.1.3 Test program A test program running in the host system is required to check general operations such as operations of the interface with the host system and simulated operations.

  • Page 145: Maintenance Information

    (3) Service system and repair Fujitsu provides a service system and repair facility for its optical disk drive. Submit information required to replace or repair the drive to your Fujitsu representative. The following information should be included:...

  • Page 146: Revision Number

    (See Figure 6.2.) When a revision number is changed after shipment, Fujitsu issues "Revision Number Change Request/Notice" to indicate the new revision number. The user must update the revision label as described above when changing the revision number.

  • Page 147: Glossary

    Axial acceleration Acceleration on the recording layer along with the line perpendicular to the disk reference surface to a specified rotation speed. Axial acceleration is detected by optical means. Axial displacement A displacement at a point on the recording layer in a direction perpendicular to the disk reference surface from its original standard position.
  • Page 148 Disk reference surface An ideal flat ring surface of an ideal spindle that is in contact with the clamp area on the disk. It is perpendicular to the rotation axis. Error correction code An error correction code designed to correct specific errors in data. Error detection and correction A series of data by adding a redundant code to data in the existing format.
  • Page 149 Status A single-byte information reported from the target to the initiator at the end of each command execution. The status indicates the end status of a command. C156-E224-01EN Glossary GL-3...
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  • Page 151: Abbreviations

    Acronyms and Abbreviations Alternating Current ACKnowledge ALPG Automatic Laser Power Control Address Mark ANSI American National Standards Institute ARRE Automatic Read Reallocation Enabled Additional Sense Code ASCII American Standard Code for Information Interchange ASCQ Additional Sense Code Qualifier ATteNtion American Wire Gauge AWRE Automatic Write Reallocation Enabled...
  • Page 152 N.C. No Connection Optional Disk Drive Offset Detection Flag Original Equipment Manufacturer PostAmble Part Number Page Control Printed Circuit Assembly Page Control Field Parameter Code Reset Primary Defect List Phase Encoded Part Page Format Phase-Locked Loop Partial Medium Indicator Parameter Pointer Control Pulse Width Modulation Random-Access Memory RelAdr...

  • Page 153: Index

    Fujitsu Internal Use Only 128 MB disk 2-9 1.3 GB disk 2-9 230 MB disk 2-9 2.3 GB capacity 1-2 2.3 GB disk 2-9 540 MB/640 MB disk 2-9 ABORT message 4-43 active mode 4-6 actuator section 1-9 adaptability 1-4...
  • Page 154 5-6 high-speed data transfer 1-2 high-speed mean seek time 1-3 host interface 4-1 IN-2 Fujitsu Internal Use Only how to affix index label 5-9 how to affix index label on MQ cartridge hub 2-9 IC (controller, read amp) 3-2...
  • Page 155 Fujitsu Internal Use Only MODE SELECT command 4-13 MODE SENSE command 4-22 mounting 3-24 mounting frame structure 3-9 mounting frame structure and clearance 3-9 mounting procedure 3-24 mounting requirement 3-5 MO write cache 4-6 MTBF 1-3, 2-6 NO OPERATION message 4-44...
  • Page 156 FAST SCSI mode 4-53 transfer mode setting requested by INIT to ODD 4-45 transportation 3-23 IN-4 Fujitsu Internal Use Only type of message provided by ODD 4-42 unpacking 3-21 variable value in Caching page 4-19 variable value in flexible disk page 4-18...
  • Page 157 FUJITSU LIMITED Storage Product Group 4-1-1, Kamikodanaka, Nakahara-ku, Kawasaki 211-8588, Japan TEL: 81-44-754-8350 FAX: 81-44-754-8351 FUJITSU COMPUTER PRODUCTS OF AMERICA, INC. 2904 Orchard Parkway, San Jose, California 95134-2009, U.S.A. TEL: 1-408-432-6333 FAX: 1-408-894-1709 FUJITSU CANADA INC. 2800 Matheson Blvd. East, Mississauga, Toronto,...
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  • Page 159 Your comments or suggestions on this document are cordially solicited. For any comments and suggestions you may have, please complete and submit this form to your FUJITSU representative. The comments and suggestions will be used in planning future editions. Thank you for your cooperation.

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