Maxtor D540X-4K Product Manual
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Maxtor D540X-4K Product Manual

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  • Page 1 / C Z V Q T &    :  -                    ) $ # 6 2 T Q F W E V / C P W C N 0 Q X G O D G T               ...
  • Page 2 This publication could include technical inaccuracies or typographical errors. Changes are periodically made to the information herein – which will be incorporated in revised editions of the publication. Maxtor may make changes or improvements in the product(s) described in this publication at any time and without notice.
  • Page 3 EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTIULAR PURPOSE, OR NON-INFRINGE- MENT. You can request Maxtor publications from your Maxtor Sales Representative or order them directly from Maxtor. Publication Number: 81-126201-02...
  • Page 4 $ G H Q T G ; Q W $ G I K P Thank you for your interest in Maxtor hard disk drives. This manual provides technical information for OEM engineers and systems integrators regarding the installation and use of Maxtor hard drives. Drive repair should be performed only at an authorized repair center.

  • Page 5: Table Of Contents

    3.6.3 ATA Bus Interface Connector (J1, Section C) ..........3-12 3.7 FOR SYSTEMS WITH A MOTHERBOARD ATA ADAPTER ......3-13 3.8 FOR SYSTEMS WITH AN ATA ADAPTER BOARD ........3-13 3.8.1 Adapter Board Installation ................3-13 Maxtor D540X-4K 20.4/40.0/60.0/80.0 GB AT...
  • Page 6 % J C R V G T  $ # 5 + % 2 4 + 0 % + 2 . ' 5 1 ( 1 2 ' 4 # 6 + 1 0 5.1 MAXTOR D540X-4K DRIVE MECHANISM............5-1 5.1.1 Base Casting Assembly ..................5-3 5.1.2 DC Motor Assembly ..................5-3...
  • Page 7 6.5.8 Automatic Acoustic Management Feature Set ........... 6-4 6.5.9 IDENTIFY DEVICE Information ..............6-5 6.5.10 SET FEATURES Supported Commands ............6-7 6.5.11 Maxtor Specific Commands ................6-8 6.5.12 SMART READ ATTRIBUTE THRESHOLDS .......... 6-15 6.5.13 Device Configuration Overlay Feature Set ............6-21 + 0 &...
  • Page 8 Figure 3-7 Mounting Dimensions for the Maxtor D540X-4K Hard Disk Drives .... 3-9 Figure 3-8 Mounting Screw Clearance for the Maxtor D540X-4K Hard Disk Drives .. 3-10 Figure 3-9 J1 DC Power and ATA Bus Combination Connector ........ 3-11 Figure 3-10 Drive Power Supply and ATA Bus Interface Cables ........3-14 Figure 3-11 Completing the Drive Installation ...............
  • Page 9 SAVING TO DISK Command ................6-12 Table 6-10 Configuration Command Format ................ 6-13 Table 6-11 Device Attribute Thresholds Data Structure ............6-16 Table 6-12 Individual Threshold Data Structure ..............6-17 Table 6-13 Device SMART Data Structure ................6-17 Maxtor D540X-4K 20.4/40.0/60.0/80.0 GB AT...
  • Page 10 Table of Contents Maxtor D540X-4K 20.4/40.0/60.0/80.0 GB AT...

  • Page 11: Audience

       # 7 & + ' 0 % ' The Maxtor D540X-4K 20.4/40.0/60.0/80.0 GB AT Product Manual is intended for several audiences. These audiences include: the end user, installer, developer, consumer electronics and personal computer original equipment manufacturer (CE/ PC OEM), and distributor.
  • Page 12 Host Software Reset bit. • Commands: Interface commands are listed in all capitals. An example is WRITE LONG. • Register Names: Registers are given in this manual with initial capitals. An example is the Alternate Status Register. Maxtor D540X-4K 20.4/40.0/60.0/80.0 GB AT...
  • Page 13 For additional information about the ATA interface, refer to the latest revision of the draft standard on the internet at http://www.t13.org/ using the link under “1410D AT Attachment - 6 with Packet Interface (ATA/ATAPI - 6).” Maxtor D540X-4K 20.4/40.0/60.0/80.0 GB AT...
  • Page 14 About This Manual Maxtor D540X-4K 20.4/40.0/60.0/80.0 GB AT...

  • Page 15: Key Features

    2 4 1 & 7 % 6 1 8 ' 4 8 + ' 9 Maxtor’s D540X-4K hard disk drives are part of a family of high performance, 1- inch-high hard disk drives manufactured to meet the highest product quality standards.
  • Page 16 General Description    - ' ; ( ' # 6 7 4 ' 5 The Maxtor D540X-4K 20.4/40.0/60.0/80.0 GB AT hard disk drives include the following key features: General • Formatted storage capacity of 20.4 GB (1 disk, 1 heads), 40.0 GB (1 disks, 2 heads), 60.0 (2 disks, 3 heads) and 80.0 (2 disks, 4 heads)
  • Page 17 • CE Mark authorization is granted by TUV Rheinland in compliance with our qualifying under EN 55022:1994 and EN 50082-1:1997. • C-Tick Mark is an Australian authorization marked noted on Maxtor’s disk drive products. The mark proves conformity to the regulatory compliance document AS/NZS 3548: 1995 and BS EN 55022: 1995.
  • Page 18 General Description Maxtor’s disk drives are designed as a separate subassembly that conforms to the FCC Rules for Radiated and Conducted emissions, Part 15 Subpart J; Class B when installed in a given computer system.    * # 4 & 9 # 4 ' 4 ' 3 7 + 4 ' / ' 0 6 5 The Maxtor D540X-4K hard disk drives are compatible with computers and other hosts that support the ATA interface.
  • Page 19 5 2 # % ' 4 ' 3 7 + 4 ' / ' 0 6 5 The Maxtor D540X-4K hard disk drives are shipped without a faceplate. Figure 3- 1 shows the external dimensions of the Maxtor D540X-4K 20.4/40.0/60.0/80.0 GB AT drives.
  • Page 20 3. When you are ready to install the drive, remove it from the ESD bag. Figure 3-2 shows the packing assembly for a single Maxtor D540X-4K hard disk drive. A 20-pack shipping container is available for multiple drive shipments.
  • Page 21 ( K I W T G   Note: The 20-pack container should be shipped in the same way it was received from Maxtor. When individual drives are shipped from the 20-pack container then it should be appropriately packaged (not supplied with the 20-pack) to prevent damage.

  • Page 22: Hardware Options

    * # 4 & 9 # 4 ' 1 2 6 + 1 0 5 The configuration of a Maxtor D540X-4K 20.4/40.0/60.0/80.0 GB AT hard disk drive depends on the host system in which it is to be installed. This section describes the hardware options that you must take into account prior to installation.
  • Page 23 % C D N G 5 G N G E V % 5 , W O R G T When a Maxtor D540X-4K 20.4/40.0/60.0/80.0 GB AT hard disk drive and another ATA hard disk drive are daisy-chained together, they can be configured as Master or Slave either by the CS or DS jumpers.
  • Page 24 Cable Select signal: pin 28 of the ATA bus connector. Please note that pin 28 is a vendor-specific pin that Maxtor is using for a specific purpose. More than one function is allocated to CS, according to the ATA CAM specification (see reference to this specification in Chapter 1).
  • Page 25 IDENTIFY DEVICE data words 60 and 61. This protects hosts which are not able to address beyond this capacity. A summary of these effects for the Maxtor D540X-4K drives is shown in the following table: # % , 7 / 2 ' 4 1 7 6...
  • Page 26 Installation There are two ways you can configure a system to allow the Maxtor D540X-4K hard disk drives to communicate over the ATA bus of an IBM or IBM-compatible 1 . C o n n e c t t h e d r i v e t o a 4 0 - p i n A T A b u s c o n n e c t o r ( i f a v a i l a b l e ) o n t h e m o t h e r b o a r d o f t h e P C .
  • Page 27      1 T K G P V C V K Q P The mounting holes on the Maxtor D540X-4K 20.4/40.0/60.0/80.0 GB AT hard disk drives allow the drive to be mounted in any orientation. Figure 3-6 and Figure 3-7 show the location of the three mounting holes on each side of the drive.
  • Page 28 Installation Mounting Screw Clearance for the Maxtor D540X-4K Hard Disk Drives ( K I W T G   The PCB is very close to the mounting holes. Do not exceed % # 7 6 + 1 0  the specified length for the mounting screws. The specified...
  • Page 29      8 G P V K N C V K Q P The Maxtor D540X-4K 20.4/40.0/60.0/80.0 GB AT hard disk drives operate without a cooling fan, provided the ambient air temperature does not exceed 131 F (55 C) at any point along the drive form factor envelope.
  • Page 30 An external drive activity LED may be connected to the DASP-I/O pin 39 on J1. For more details, see the pin description in Table 6-1. On the Maxtor D540X-4K 20.4/40.0/60.0/80.0 GB AT hard disk drives, the ATA bus interface cable connector (J1, section C) is a 40-pin Universal Header, as shown in Figure 3-9.
  • Page 31 Ensure that pin 1 of the drive is connected to pin 1 of the motherboard connector. To install the Maxtor D540X-4K 20.4/40.0/60.0/80.0 GB AT hard disk drive in an AT-compatible system without a 40-pin ATA bus connector on its motherboard, you need a third-party IDE-compatible adapter board.
  • Page 32 1 of the cable connects to pin 1 of the drive connector. 3. Secure the drive to the system chassis by using the mounting screws, as shown in Figure 3-11. Drive Power Supply and ATA Bus Interface Cables 3-14 Maxtor D540X-4K 20.4/40.0/60.0/80.0 GB AT...
  • Page 33 Installation Completing the Drive Installation ( K I W T G    Maxtor D540X-4K 20.4/40.0/60.0/80.0 GB AT 3-15...
  • Page 34 DOS based operating systems will be limited to use only 1024 cylinders. This will reduce the effective capacity of the drive to 528 Mbytes. Whenever possible the Maxtor D540X-4K 20.4/40.0/60.0/80.0 GB AT drive should be used on systems that support LBA translation to ensure the use of the entire capacity of the disk drive.
  • Page 35 For instructions on how to use the SETUP program, refer to the system manual for your PC. During the AT system CMOS setup, you must enter the drive type for the Maxtor D540X-4K hard disk drives. The drive supports the translation of its physical drive geometry parameters such as cylinders, heads, and sectors per track to a logical addressing mode.
  • Page 36 BIOS, consult the system’s drive-type table. This table specifies the number of cylinders, heads, and sectors for a particular drive type. Boot the system using the operating system installation disk—for example, MS-DOS—then follow the installation instructions in the operating system manual. 3-18 Maxtor D540X-4K 20.4/40.0/60.0/80.0 GB AT...
  • Page 37    5 2 ' % + ( + % # 6 + 1 0 5 7 / / # 4 ; Table 4-1 gives a summary of the Maxtor D540X-4K hard disk drives. Specifications 6 C D N G   / # : 6 1 4 &...
  • Page 38 (PIO Mode with maximum maximum IORDY) Read Buffer to ATA 100 MB/sec. 100 MB/sec. 100 MB/sec. 100 MB/sec. maximum maximum maximum maximum (Ultra ATA Mode) Buffer Size 2 MB 2 MB 2 MB 2 MB Maxtor D540X-4K 20.4/40.0/60.0/80.0 GB AT...
  • Page 39 2. Disk to read buffer transfer rate is zone-dependent, instantaneous 3. Refer to Section 4.14, “DISK ERRORS” for details on error rate definitions. 4. CSS specifications assumes a duty cycle of one power off operation for every one idle spin down. Maxtor D540X-4K 20.4/40.0/60.0/80.0 GB AT...
  • Page 40 ( 1 4 / # 6 6 ' & % # 2 # % + 6 ; At the factory, the Maxtor D540X-4K 20.4/40.0/60.0/80.0 GB AT hard disk drives receive a low-level format that creates the actual tracks and sectors on the drive. Table 4-2 shows the capacity resulting from this process.
  • Page 41 Specifications    6 + / + 0 ) 5 2 ' % + ( + % # 6 + 1 0 5 Table 4-3 illustrates the timing specifications of the Maxtor D540X-4K hard disk drives. Timing Specifications 6 C D N G   6 ;...
  • Page 42 9. Average random seek is defined as the average seek time between random logical block addresses (LBAs).    2 1 9 ' 4 The Maxtor D540X-4K 20.4/40.0/60.0/80.0 GB AT hard disk drives operate from two supply voltages: • +12V ±10% • +5V ±5% The allowable ripple and noise is 250 mV peak-to-peak for the +12 Volt supply and 150 mV peak-to-peak for the +5 Volt supply.
  • Page 43 Specifications Table 4-5 lists the voltages and typical average corresponding currents for the various modes of operation of the Maxtor D540X-4K hard disk drives. Typical Power and Current Consumption 6 C D N G   6 ; 2 + % # . # 8 ' 4 # ) ' % 7 4 4 ' 0 6 / 1 &...
  • Page 44    # % 1 7 5 6 + % 5 Table 4-6 specifies the acoustical characteristics of the Maxtor D540X-4K 20.4/40.0/ 60.0/80.0 GB AT hard disk drive. The acoustics are measured in an anechoic chamber with background noise at least <10dBA less than the expected sound pressure Lp(A).
  • Page 45    ' 0 8 + 4 1 0 / ' 0 6 # . % 1 0 & + 6 + 1 0 5 Table 4-7 summarizes the environmental specifications of the Maxtor D540X-4K hard disk drives. Environmental Specifications...
  • Page 46 When packed in its 1-pack shipping container, the Maxtor D540X-4K drives can withstand a drop from 30 inches onto a concrete surface on any of its surfaces, six edges, or three corners.
  • Page 47 * # 0 & . + 0 ) V J G & 4 + 8 ' Before handling the Maxtor hard disk drive some precautions must to be taken to ensure that the drive is not damaged. Use both hands while handling the drive and hold the drive by its edges.
  • Page 48 (This is approximately equivalent to 0.05 g emitted vibrations)     & + 5 - ' 4 4 1 4 5 Table 4-9 provides the error rates for the Maxtor D540X-4K hard disk drives. Error Rates ' 4 4 1 4 6 ; 2 '...
  • Page 49 $ # 5 + % 2 4 + 0 % + 2 . ' 5 1 ( 1 2 ' 4 # 6 + 1 0 This chapter describes the operation of Maxtor D540X-4K AT hard disk drives’ functional subsystems. It is intended as a guide to the operation of the drive, rather than a detailed theory of operation.
  • Page 50 Basic Principles of Operation Hard Disk Drive Exploded View M a x t o r D 5 4 0 X - 4 K A T ( K I W T G   Maxtor D540X-4K 20.4/40.0/60.0/80.0 GB AT...
  • Page 51 The disk stack assembly in the Maxtor D540X-4K hard disk drives consist of disks The disk stack assembly in the Maxtor D540X-4K hard disk drives consist of disks secured by a disk clamp.
  • Page 52 The flex circuit connects the headstack assembly to the PCB through a compression connector. The flex circuit contains a read preamplifier/write driver IC. The rotary positioner, or rotary voice-coil actuator, is a Maxtor-proprietary design that consists of upper and lower permanent magnet plates, a rotary single-phase coil molded around the headstack mounting hub, and a bearing shaft.
  • Page 53 Therefore, it is essential that the air circulating within the drive be kept free of particles. Maxtor assembles the drive in a Class-100 purified air environment, then seals the drive with a metal cover. When the drive is in use, the rotation of the disks forces the air inside of the drive through an internal 0.3 micron filter.
  • Page 54 The Formatter also directly drives the read and write gates ( ) and Command Mode Interface of the Read/Write ASIC and the R/W Preamplifier, as well as passing write data to the Precompensator circuit in the Read/Write ASIC. Maxtor D540X-4K 20.4/40.0/60.0/80.0 GB AT...

  • Page 55: Servo Processor

    8-bit wide data interface. The Read/Write ASIC is a low power 3.3 Volts, single supply, with selective power down capabilities. The Read/Write ASIC comprises 12 main functional modules (described below): • Pre-Compensator • Variable Gain Amplifier (VGA) • Butterworth Filter • FIR Filter Maxtor D540X-4K 20.4/40.0/60.0/80.0 GB AT...

  • Page 56: Pre-Compensator

    Provides 16/17 or 24/25 code conversion to NRZ. Includes preamble and sync mark generation and detection. Servo processor with servo data recovery and burst demodulation. Provides programmable frequencies for each zone data rate. Provides digital read clock recovery. Maxtor D540X-4K 20.4/40.0/60.0/80.0 GB AT...

  • Page 57: Preamplifier And Write Driver

    • Error detection and correction • Defect management The Maxtor D540X-4K AT hard disk drives incorporate DisCache, a 380 K (minimum) disk cache, to enhance drive performance. This integrated feature is user- programmable and can significantly improve system throughput. Read and write caching can be enabled or disabled by using the Set Configuration command.
  • Page 58 1K data transfer, these delays make up to 90 percent of the elapsed time. DisCache works by continuing to fill its cache memory with adjacent data after transferring data requested by the host. Unlike a noncaching controller, Maxtor’s disk controller continues a read operation after the requested data has been transferred to the host system.

  • Page 59: Head And Cylinder Skewing

    Head and cylinder skewing in the Maxtor D540X-4K AT hard disk drives minimize latency time and thus increases data throughput.       ...
  • Page 60 Wedge skew = [C* ((# of heads – 1) * TS + CS) + H * TS] MOD 180 Where:C = Cylinder number H = Head number TS = Head Skew Offset CS Cylinder Skew Offset (wedges/track = 200) 5-12 Maxtor D540X-4K 20.4/40.0/60.0/80.0 GB AT...
  • Page 61 ' % % ' T T Q T * C P F N K P I When a data error occurs, the Maxtor D540X-4K hard disk drives check to see if the error is correctable using hardware on-the-fly ECC correction. If the error is correctable using hardware on-the-fly ECC correction, the error is corrected via hardware and the data is transferred to the host system.
  • Page 62 The Maxtor D540X-4K drives are divided into 30 logical zones for purposes of defect management. Each zone has a pool of 32 spare sectors, which are reserved for offline replacement.
  • Page 63 9 and signal timing complies with section 10 of the standard. The Maxtor D540X-4K hard disk drives support all Ultra DMA Data Transfer modes of ATA/ATAPI-6. In Mode 5, it can send and receive data at the full 100 MB/s transfer rate.

  • Page 64: General Feature Set

    4 ' ) + 5 6 ' 4 # & & 4 ' 5 5 & ' % 1 & + 0 )   The Maxtor D540X-4K hard disk drives allow their host systems to address the full set of command and control registers as specified in ATA/ATAPI-6 section 7.

  • Page 65: Multiword Dma

    • READ DMA • WRITE DMA The drives support the following commands from the optional Power Management feature set: • CHECK POWER MODE • IDLE • IDLE IMMEDIATE • SLEEP • STANDBY • STANDBY IMMEDIATE Maxtor D540X-4K 20.4/40.0/60.0/80.0 GB AT...

  • Page 66: Security Mode Feature Set

    • SET MAX SET PASSWORD • SET MAX LOCK • SET MAX FREEZE LOCK • SET MAX UNLOCK The drives support the optional Automatic Acoustic Management feature set which uses subcommands of the SET FEATURES command. Maxtor D540X-4K 20.4/40.0/60.0/80.0 GB AT...
  • Page 67 0344h Obsolete 0004h 23-26 Firmware revision (8 ASCII characters) Variable 27-46 Model number (40 ASCII characters) MX 4K020H1 MX 4K040H2 MX 4K060H3 MX 4K080H4 15-8 8010h Maximum sectors per interrupt on MULTIPLE commands Reserved Reserved Maxtor D540X-4K 20.4/40.0/60.0/80.0 GB AT...
  • Page 68 Multiword DMA transfer cycle time 0078h Minimum cycle time without flow control 0078h Minimum cycle time with IORDY flow control 0078h 69-70 Reserved Reserved 71-74 Reserved Reserved Maximum queue depth – 1 0000h 76-79 Reserved Reserved Maxtor D540X-4K 20.4/40.0/60.0/80.0 GB AT...
  • Page 69 Reserved 15-8 Integrity word checksum Variable Integrity word signature 41A5h Table 6-2 shows the supported subcommands of SET FEATURES organized by feature name. The ID Word column shows if the current default setting can be Maxtor D540X-4K 20.4/40.0/60.0/80.0 GB AT...

  • Page 70: Maxtor Specific Commands

    Sector Count register (1F2), and the Sector Number register (1F3), with the Sector Count register containing the LSB of the 2- byte value (see Table 6-3). The defect list length is a fixed value for each Maxtor product and can be calculated as follows: length in sectors = (((maximum number of defects) * 8 + 4) + 511)/512 At the completion of the command, the task file registers 1F2 –...
  • Page 71 Error register. If the host does not know the appropriate sector count for a specific product, it can issue the Read Defect List Length command, described in the previous section to set up the task file for the Read Defect List command. Maxtor D540X-4K 20.4/40.0/60.0/80.0 GB AT...
  • Page 72 Table 6-5 shows the overall format of the defect list, and Table 6- 6 shows the format of the individual defect entries. 6-10 Maxtor D540X-4K 20.4/40.0/60.0/80.0 GB AT...
  • Page 73 0 Q V G  C o n f i g u r a t i o n In addition to the SET FEATURES command, the Maxtor D540X-4K 20.4/40.0/ 60.0/80.0 GB AT hard disk drives provide two configuration commands: • The SET CONFIGURATION command, which enables the host to change DisCache and Error Recovery parameters •...
  • Page 74 However, in the READ CONFIGURATION command, bytes 0 through 31 of the data field are not KEY information, as they are in the SET CONFIGURATION command. The drive reads these bytes as Maxtor CONFIGURATION, followed by eleven spaces. Users can read the configuration into a buffer, then alter the configuration parameter settings.
  • Page 75 8 # . 7 ' & ' ( + 0 + 6 + 1 0 1F2h Set Configuration Subcode 1F3h Password 1F4h Password 1F5h Password 1F6h Drive Select (Drive 0) Drive Select Drive 1) 1F7h Extended Command Code Maxtor D540X-4K 20.4/40.0/60.0/80.0 GB AT 6-13...
  • Page 76 A PE bit set to 0 indicates that no prefetching will occur. The CE bit (bit 0) must be set to 1 to enable use of the PE bit. The default value is 1. 6-14 Maxtor D540X-4K 20.4/40.0/60.0/80.0 GB AT...
  • Page 77 Automatic Write Reallocation is similar to the function of Automatic Read Reallocation, but is initiated by the drive when a defective block has become inaccessible for writing. An AWRE bit set to 0 indicates that the Maxtor D540X-4K 20.4/40.0/60.0/80.0 GB AT drives will not automatically reallocate bad blocks. The default setting is 1.
  • Page 78 D r i v e P a r a m e t e r s WCE – Write Cache Enable (Byte 39, Bit 2): When this bit is set to1, the Maxtor D540X-4K 20.4/40.0/60.0/80.0 GB AT hard disk drives enable the Write Cache.
  • Page 79 Rd only 0x0004h for this revision 1st attribute threshold Rd only ....30th attribute threshold Rd only reserved (0x00) Rd only Vendor specific Rd only Data structure checksum Rd only Total bytes Maxtor D540X-4K 20.4/40.0/60.0/80.0 GB AT 6-17...
  • Page 80 Data Structure check sum The attribute ID numbers and their definitions are vendor specific. Any non-zero value in the attribute ID number indicates an active attribute. Valid values for this byte are from 0x01 through 0xFFh. 6-18 Maxtor D540X-4K 20.4/40.0/60.0/80.0 GB AT...
  • Page 81 INPUTS - The Features register shall be set to DAh. The Cylinder Low register shall be set to 4Fh. The Cylinder High register shall be set to C2h. Features Sector Count Sector Number Cylinder Low Maxtor D540X-4K 20.4/40.0/60.0/80.0 GB AT 6-19...
  • Page 82 PROTOCOL - Non-data command INPUTS - The Features register shall be set to D3h. The Cylinder Low register shall be set to 4Fh. The Cylinder High register shall be set to C2h. 6-20 Maxtor D540X-4K 20.4/40.0/60.0/80.0 GB AT...
  • Page 83 Upon receipt of this command from the host, the device sets BSY, writes any updated attribute values to non-volatile memory, clears BSY and asserts INTRQ. Maxtor D540X-4K 20.4/40.0/60.0/80.0 GB AT 6-21...

  • Page 84: Device Configuration Overlay Feature Set

          & G X K E G % Q P H K I W T C V K Q P 1 X G T N C [ ( G C V W T G 5 G V The drives support the following commands from the optional Device Configuration Overlay feature set: • DEVICE CONFIGURATION FREEZE LOCK • DEVICE CONFIGURATION IDENTIFY • DEVICE CONFIGURATION RESTORE • DEVICE CONFIGURATION SET 6-22 Maxtor D540X-4K 20.4/40.0/60.0/80.0 GB AT...
  • Page 85 ACTUATOR – Also known as the positioner. The internal mechanism that moves the read/write head to the proper track. The Maxtor actuator consists of a rotary voice coil and the head mounting arms. One end of each BACKUP – A copy of a file, directory, or...
  • Page 86 CONTROLLER CARD – An adapter DISK CONTROLLER – A plug-in board, holding the control electronics for one or or embedded circuitry on the drive, that G-2 Maxtor D540X-4K 20.0/40.0/60.0/80.0 GB AT...
  • Page 87 Glossary passes information to and from the disk. The FCI – Acronym for flux changes per inch. See Maxtor disk drives all have controllers also BPI. embedded on the drive printed-circuit board. FILE SERVER – A computer that provides DISKWARE – The program instructions...
  • Page 88 It would take three revolutions of the HARD ERROR – A repeatable error in disk disk to access a full track of data. Maxtor data that persists when the disk is reread, drives have an interleave of 1:1, so a full track usually caused by defects in the media surface.
  • Page 89 MILLISECOND (ms) – One thousandth of structure. Maxtor drives are shipped with the a second (.001 sec.). low-level formatting already done. MTBF – Mean Time Between Failure. Used LOW PROFILE –...
  • Page 90 (write or read information) on the greater amounts of data in the same area as a disk. Each side of each platter has its own coated disk. read/write head. PLATTER – An disk made of metal (or G-6 Maxtor D540X-4K 20.0/40.0/60.0/80.0 GB AT...
  • Page 91 The resulting surface is hard, smooth, and capable of storing data at high density. SCSI – Acronym for Small Computer System Maxtor disk drives use sputtered thin film Interface, an American National Standards disks. Institute (ANSI) version of Shugart Associates' SASI interface between the computer and STEPPER –...
  • Page 92 On some drives remaining disk space, known as formatted one surface may be reserved for positioning capacity. The size of a Maxtor drive is information. expressed in formatted capacity. THIN FILM – A type of coating, used for VOICE COIL –...

  • Page 93: Cable Select (Cs) Jumper

    5-10 Configuration firmware features 6-13 configuration command data field flex circuit. 3-12 3-13 connector, IDE floppy drive 3-11 cooling fan requirements crash stops hardware options headstack assembly daisy-chain Humidity daisy-chained Data Synchronizer Data transfer operations Maxtor D540X-4K 20.4/40.0/60.0/80.0 GB AT...
  • Page 94 RUEE (reallocate uncorrectable error en- 3-10 mounting screw clearance 6-15 ables) 3-10 mounting screws 3-18 MS-DOS 4-11 MTBF Servo Controller 6-12 set configuration set configuration without saving to disk noise Nominal conditions shipping container 6-14 number of retries Maxtor D540X-4K 20.4/40.0/60.0/80.0 GB AT...

  • Page 95: Ventilation

    4-10 Specifications sputtered thin-film coating supply voltages tampering with the HDA temperature theory of operation timebase generator UNIX & 3-11 ventilation ventilation requirements vibration warranty (void) 6-15 WCE (write cache enable) 5-5, 5-10 write driver Maxtor D540X-4K 20.4/40.0/60.0/80.0 GB AT...
  • Page 96 Index Maxtor D540X-4K 20.4/40.0/60.0/80.0 GB AT...

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