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Elite 9 Disc Drive
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ST410800N/ND
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ST410800W/WD
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Product Manual, Volume 1
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Table of Contents
Related Manuals for Seagate Elite 9
Summary of Contents for Seagate Elite 9
- Page 1 ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ Elite 9 Disc Drive ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○...
- Page 3 ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ Elite 9 Disc Drive ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○...
- Page 4 Other product names are registered trademarks or trademarks of their owners. Seagate reserves the right to change, without notice, product offerings or specifications. No part of this publication may be reproduced in any form without written permission from Seagate Technology, Inc.
- Page 5 Revision status summary sheet Sheets Revision Date Writer/Engineer affected A (preliminary-01) 10/30/93 L. Newman/L. Clausen 12/10/93 L. Newman/L. Clausen 05/18/94 L. Newman/L. Clausen C (preliminary-01) 07/21/94 L. Newman/L. Clausen 09/23/94 L. Newman/L. Clausen 26, 41 Note. Product Manual 83328860 is Volume 1 of a two-volume document with the SCSI interface information in the Volume 2 SCSI-2 Interface Product Manual, Part Number 77738479.
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Page 7: Table Of Contents
Contents 1.0 Scope ..........................2.0 Applicable standard and reference documentation ............2.1 Standards ........................2.2 Applicable reference documents ................... 3.0 General description ......................4.0 Standard features ......................4.1 Performance ......................... 4.1.1 Reliability ......................4.2 Unformatted and formatted capacities ................4.3 Options ......................... 4.4 Installation ........................ - Page 8 Elite 9 Product Manual, Rev. C Physical and electrical specifications ................25 AC power requirements .................... 25 DC power requirements .................... 25 7.2.1 Conducted noise immunity ................27 7.2.2 Power sequencing ..................27 7.2.3 +12V current profile ..................28 Heat/power dissipation ....................28 Environmental limits ....................
- Page 9 Figure 6. Air-flow patterns ......................21 Figure 7. R/T/U/CYHX temperature measurement locations ............ 22 Figure 8. Elite 9 drive typical +12V current profile ..............28 Figure 9. Elite 9 drive typical mounting configuration dimensions ..........32 Figure 10. Elite 9 drive recommended mounting ................. 33 Figure 11.
- Page 10 Supported commands ....................46 Table 5. Elite 9 family drives inquiry data................. 48 Table 6. Mode sense data, Elite 9 default values (SCSI-1 implementation) ......49 Table 7. Mode sense data, Elite 9 default values (SCSI-2 implementation) ......50 Table 8.
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Page 11: Scope
This manual describes Seagate Technology ® , Inc. Elite 9™ disc drives. Elite 9 drives support the small computer system interface-2 (SCSI-2) as described in the ANSI SCSI and SCSI-2 interface specifications to the extent described in this manual. The SCSI-2 Interface Product Manual... - Page 12 Elite 9 Product Manual, Rev. C...
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Page 13: Applicable Standard And Reference Documentation
CSA C22.2 No. 950-M89, and VDE certified to VDE 0805 and EN60950. The Elite 9 disc drive is supplied as a component part. It is the responsibility of the subsystem designer to meet EMC/regulatory requirements. Engineer- ing test characterizations of radiated emissions are available from the Seagate safety department. - Page 14 Elite 9 Product Manual, Rev. C...
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Page 15: General Description
(OEM) marketplace. Elite 9 disc drives have an embedded SCSI controller. Performance informa- tion is provided in Section 5. The Elite 9 drive’s interface supports multiple initiators, disconnect/recon-... - Page 16 Elite 9 Product Manual, Rev. C Elite 9 drives use a dedicated landing zone at the innermost radius of the media to eliminate the possibility of destroying or degrading data by landing in the data zone. The drive automatically goes to the landing zone when the power is removed.
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Page 17: Standard Features
Elite 9 Product Manual, Rev. C Standard features Elite 9 drives have the following standard features: • Integrated SCSI controller • Single-ended or differential SCSI drivers and receivers • Non-shielded 50-pin connector • Initiator/target terminator power option • SCSI bus parity with full parity pass-through •... -
Page 18: Performance
Unformatted and formatted capacities Standard OEM models are formatted to have 512-byte sectors. Elite 9 drives have one (1) spare cylinder per unit and 9 spare sectors per cylinder. You may select the number of spare sectors per cylinder to meet your specific needs. -
Page 19: Installation
40 foot cable, part number 47191164 80 foot cable, part number 47191154 • Elite 9 Installation Guide, part number 83328850 This manual provides basic installation information for persons not familiar with the product. It also includes information on obtaining techni- cal support and service for the drive. - Page 20 Elite 9 Product Manual, Rev. C...
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Page 21: Performance-Related Characteristics And Features
Elite 9 Product Manual, Rev. C Performance-related characteristics and features This section provides performance-related characteristics and features of Elite 9 drives. Internal drive characteristics Drive capacity, Mbytes unformatted 10,800 Read/write data heads Bytes per track, average 77,700 Bytes per surface, Mbytes unformatted... -
Page 22: Seek Time
Elite 9 Product Manual, Rev. C Start TCAL 10 min. head timer expired? target target received a SCSI received a SCSI 10 minute command? command? timer Target SCSI completes heads heads command in SCSI calibrated? calibrated? progress? command Seek to... -
Page 23: General Performance Characteristics
Elite 9 Product Manual, Rev. C General performance characteristics Minimum sector interleave Data buffer to/from disc media 960 Kbytes Data transfer rate (≤ 1 sector) Minimum 5.67 Mbytes/sec* Maximum 8.3 Mbytes/sec* Data transfer rate (< 1 track) Minimum, divided by interleave factor 4.75 Mbytes/sec... -
Page 24: Prefetch/Multi-Segmented Cache Control
Elite 9 Product Manual, Rev. C Prefetch/multi-segmented cache control The drive provides a prefetch/multi-segmented cache algorithm, which in many cases enhances system performance. To select this feature, the host sends the Mode Select command with the proper values in the applicable bytes in page 08h (see the SCSI-2 Interface Product Manual ). -
Page 25: Adaptive Read Lookahead
Elite 9 Product Manual, Rev. C 2. The drive prefetches additional logical blocks contiguous to those trans- ferred in Case A, step 2 above and stores them in the segment. The drive stops filling the segment when the maximum prefetch value has been transferred. -
Page 26: Synchronized Spindle Operation
Elite 9 Product Manual, Rev. C Synchronized spindle operation The synchronized spindle operation allows several drives operating from the same host to operate their spindles at the same synchronized rotational rate. Drives operating in a system in synchronized mode increase the system’s capacity and transfer rate in a cost-effective manner. -
Page 27: Figure 5. Synchronized Reference Signal Characteristics
Elite 9 Product Manual, Rev. C Rotational position locking Note. Mode Select page 04h, byte 17, bits 0 and 1. Description Spindle synchronization is disabled (default value) The target operates as a synchronized-spindle slave The target operates as a synchronized-spindle master... - Page 28 Elite 9 Product Manual, Rev. C SCSI interface factors The Rotational Position Locking (RPL) field in byte 17 (bits 0 and 1) of the Rigid Disc Drive Geometry mode parameters page (page 04h) is used for enabling and disabling spindle synchronization mode (see the SCSI-2 Interface Product Manual ).
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Page 29: Reliability Specifications
Elite 9 Product Manual, Rev. C Reliability specifications The following reliability specifications assume correct host and drive interface, including all interface timings, power supply voltages, and environmental requirements. Seek error rate Less than 10 errors in 10 seeks Recoverable error rate... -
Page 30: Seek Errors
Section 5.1.1.2 of the SCSI-2 Interface Product Manual (part number 77738479). Reliability and service You can enhance the reliability of Elite 9 disc drives by ensuring that the drive receives adequate cooling. This section provides recommended air-flow information, temperature measurements, and other information that may be used to enhance the service life of the drive. -
Page 31: Figure 6. Air-Flow Patterns
Elite 9 Product Manual, Rev. C Above unit Under unit Note. Air flows in the direction shown (front to back) or in reverse direction (back to front) Above unit Under unit Note. Air flows in the direction shown or in reverse direction (side to side) -
Page 32: Figure 7. R/T/U/Cyhx Temperature Measurement Locations
Elite 9 Product Manual, Rev. C To confirm that required cooling for the Elite electronics and HDA is provided, place the drive in its final mechanical configuration, perform random write/ read operations; and after the temperatures stabilize, measure the case temperature of the components listed below. -
Page 33: Preventive Maintenance
OEM’s system, whether in a factory or field environment. Refer to Section 4.4 and to the Elite 9 Installation Guide (83328850) for installation instructions. The drive has been low-level formatted at the factory and does not need to be reformatted. - Page 34 Elite 9 Product Manual, Rev. C...
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Page 35: Physical And Electrical Specifications
Elite 9 Product Manual, Rev. C Physical and electrical specifications This section provides information relating to the physical and electrical characteristics of Elite 9 drives. AC power requirements None. DC power requirements The voltage and current requirements for a single drive are shown in Tables 1 and 2 (table notes follow Table 2). -
Page 36: Table 2. Dc Power Requirements For St410800W/Wd Drives
Elite 9 Product Manual, Rev. C Table 2. DC power requirements for ST410800W/WD drives Single ended Differential [11] [11] ± ± ± ± ± 5% ± ± ± ± ± 5% ± ± ± ± ± 5% ± ± ± ± ± 5%... -
Page 37: Conducted Noise Immunity
Elite 9 Product Manual, Rev. C continued from previous page [10] Operating condition is defined as a third-stroke seek at OD and read one track. A command is issued every 100 msec. [11] No terminator power. See Section 11.7.3.4. [12] All power-saving features enabled. -
Page 38: + + + + + 12V Current Profile
Time (seconds) Figure 8. Elite 9 drive typical + + + + + 12V current profile Power is applied to the drive. Controller self-tests are performed. The spindle begins to accelerate under current limiting after performing internal diagnostics. -
Page 39: Environmental Limits
Elite 9 Product Manual, Rev. C Environmental limits Temperature and humidity must not cause condensation within the drive. Altitude and atmospheric pressure specifications are referenced to a stan- dard day at 58.7°F (14.8°C). Maximum wet bulb temperature is 79°F (26°C). - Page 40 Shock may be applied in the X, Y, or Z axis. d. Packaged The drive as packaged by Seagate for general freight shipment with- stands a drop test against a concrete floor or equivalent with specifica- tions not exceeding: 20 pounds (8.95 kg) for pack’s gross weight...
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Page 41: Air Cleanliness
See Tables 1 and 2 and Section 7.2 “DC power requirements.” An engineering character- ization to IEC801 immunity requirements is available from the Seagate Safety department. -
Page 42: Mechanical Specifications
± 3.120 0.005 79.24 8.06 204.72 ± 5.50 0.01 139.70 ± 5.75 0.01 146.05 ± 0.12 0.01 3.05 ± 3.90 0.05 99.06 ± 1.55 0.05 39.37 ± 3.15 0.05 80.01 Figure 9. Elite 9 drive typical mounting configuration dimensions... -
Page 43: Drive Orientation
Screw Either side- or bottom-mounting screws can be used with each drive orientation Figure 10. Elite 9 drive recommended mounting 7.6.2 Cooling Ensure that the enclosure you use provides adequate cooling so that the ambient temperature immediately surrounding the drive does not exceed temperature conditions specified in Section 7.4.1. - Page 44 Elite 9 Product Manual, Rev. C...
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Page 45: Media Characteristics
Elite 9 Product Manual, Rev. C Media characteristics This section provides information regarding the media used in Elite 9 disc drives. Media description The media used on the drive has a diameter of approximately 131.25 mm (5.25 inches). The aluminum substrate is coated with a thin-film magnetic material, which has a proprietary protective layer for improved durability and environmental protection. - Page 46 Elite 9 Product Manual, Rev. C...
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Page 47: Defect And Error Management
Elite 9 Product Manual, Rev. C Defect and error management The drive, as delivered, complies with this product manual. The read error rates and specified storage capacities are not dependent on using defect- management routines by the host (initiator). Defect and error management in the SCSI system involves the drive’s internal defect/error management and SCSI system error considerations (errors in communications between the initiator and the drive). - Page 48 Elite 9 Product Manual, Rev. C...
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Page 49: Option Headers
Elite 9 Product Manual, Rev. C 10.0 Option headers This section describes how to configure Elite 9 drives using the option headers on the drives. These option headers may be used to customize the drive for use in your particular system. -
Page 50: Figure 12. Option Select Jumper Connectors
Elite 9 Product Manual, Rev. C Figure 12 illustrates ST410800 option select jumper connectors. SCSI I/O Pin 4 Pin 2 Connector Pin 3 Pin 1 Note Pin 1 location DC Power Connector Pin 1 Pin 23 Terminator Power Option Internal terminator power source... - Page 51 Elite 9 Product Manual, Rev. C Block Pins Function 1 & 2 Terminator power supplied from the drive 2 & 4 Terminator power supplied from the SCSI bus 1 & 3 and Terminator power supplied to the SCSI bus and drive 2 &...
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Page 52: Synchronized Spindles Interface
Elite 9 Product Manual, Rev. C 10.2 Synchronized spindles interface The synchronized spindles interface (SSI) allows several drives operating from the same host to operate their spindles at a synchronized rotational rate. The system operation is described in Section 5.7. -
Page 53: Grounding
Figure 14. ST410800 configuration select header specification 10.3 Grounding Signal ground (PCB) and HDA ground are connected together in the Elite 9 family drives—do not separate this connection. Maximizing the conductive contact area between HDA ground and system ground may reduce radiated emissions. - Page 54 Elite 9 Product Manual, Rev. C...
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Page 55: Interface Requirements
The major portion of the interface requirements/implementation is de- scribed in the SCSI-2 Interface Product Manual (part number 77738479). This section has tables that give the Elite 9 family drives’ version of the SCSI implementation described in the SCSI-2 Interface Product Manual . -
Page 56: Scsi Interface Commands Supported
SCSI interface commands supported Table 4 lists the SCSI interface commands supported in SCSI-1 and SCSI-2 modes. Elite 9 family drives can be changed back and forth between SCSI-1 and SCSI-2 modes using the Change Definition com- mand. Standard OEM drives are shipped set to operate in SCSI-2 mode. - Page 57 Elite 9 Product Manual, Rev. C continued from previous page Command Supported by Command name code SCSI-1 SCSI-2 Prefetch Read Read Buffer Read Capacity Read Defect Data Read Extended Read Long Reassign Blocks Receive Diagnostic Results Release Supported Diagnostics Pages...
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Page 58: Inquiry Data
Table 5 lists the Inquiry command data that the drive should return to the initiator per the format provided in the SCSI-2 Interface Product Manual. Table 5. Elite 9 family drives inquiry data Bytes Data (hex) 0-15 00 00 **... -
Page 59: Mode Sense Data
DEF = Default value. Standard drives are shipped configured this way. CHG = Changeable bits; indicates if default value is changeable. Table 6. Mode sense data, Elite 9 default values (SCSI-1 implementation) Bytes 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23... -
Page 60: Table 7. Mode Sense Data, Elite 9 Default Values (Scsi-2 Implementation)
Elite 9 Product Manual, Rev. C Table 7. Mode sense data, Elite 9 default values (SCSI-2 implementation) Bytes 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23... -
Page 61: Scsi Bus Conditions And Miscellaneous Features Supported
Elite 9 Product Manual, Rev. C 11.4 SCSI bus conditions and miscellaneous features supported Asynchronous SCSI bus conditions supported by the drive are listed in Table 8. These conditions cause the SCSI device to perform certain actions and can alter the phase sequence. Other miscellaneous operating features supported are also listed. -
Page 62: Synchronous Data Transfer
2.85 2.50 11.5.2 REQ/ACK offset The maximum REQ/ACK offset supported by Elite 9 drives is 15 (0Fh). 11.6 DC cable and connector The drive receives DC power through a 4-pin connector mounted at the rear of the main PCB (see Figure 15.) Recommended part numbers of the mating connector are listed below, but equivalent parts may be used. -
Page 63: Scsi Physical Interface
Elite 9 Product Manual, Rev. C 11.7 SCSI physical interface Figure 15 illustrates the physical interface on Elite 9 drives. Locations of the DC power connector, the SCSI interface connector, and the drive select and option select headers are shown. -
Page 64: Physical Characteristics
(ST410800ND/WD) drives have removable on-board terminators. 11.7.1.2 Cable requirements Sections 11.7.1.2.1, 11.7.1.2.2, and 11.7.1.2.3 describe the single-ended, differential, and general cable requirements for Elite 9 drives. 11.7.1.2.1 Single-ended I/O circuits The maximum total cable length for use with drives having single-ended I/O driver and receiver circuits is 6 meters (19.7 feet) when operating at line data... -
Page 65: Connector Requirements
Elite 9 Product Manual, Rev. C 11.7.1.2.3 General cable characteristics Note. Use only non-shielded cable connectors with ST410800N/ND drives. Use a 50-conductor flat cable or 25-conductor twisted-pair cable. Use a minimum conductor size of 28 AWG to minimize noise effects. The... -
Page 66: Figure 17. Single-Ended Transmitters And Receivers
Elite 9 Product Manual, Rev. C 11.7.3.1 Single-ended drivers/receivers Typical single-ended driver and receiver circuits for the Elite 9 drives are shown in Figure 17. The reference index signal (SSREF+) is terminated with a 2.21K ohm resistor. Each ST410800N drive has a terminator resistor located on the main circuit board. -
Page 67: Figure 18. Typical Differential I/O Line Transmitter/Receiver And Terminators
Elite 9 Product Manual, Rev. C 11.7.3.2 Differential drivers and receivers Typical differential driver and receiver circuits used by ST410800ND/WD drives are shown in Figure 18. Differential signals All differential interface signals consist of two lines denoted +SIGNAL and –SIGNAL. A signal is true when +SIGNAL is more positive than –SIGNAL, and a signal is false when –SIGNAL is more positive than... -
Page 68: Figure 19. Terminating Resistor Locations For Nd And Wd Drives
Elite 9 Product Manual, Rev. C Notes: [1] Positive logic enables transmitter (+5V = asserted). Negative logic enables receivers (0V = asserted). [2] Negative logic signal (0V = asserted). [3] Total interface cable length should not exceed 82 feet (25 meters) from the host to the end of the daisy chain. -
Page 69: Scsi Physical Interface
Elite 9 Product Manual, Rev. C 11.7.3.4 Terminator power The drive may be configured to accept terminator power using pin 26 of the SCSI bus, to supply power to the SCSI bus, or to provide terminator power for optional internal termination resistors using the drive’s power connector. -
Page 70: Table 10. Single-Ended Cable Pin Assignments
Elite 9 Product Manual, Rev. C Table 10. Single-ended cable pin assignments (non-shielded connector) for ST410800N drives Signal Pin number Signal Pin number –DB (0) GROUND –DB (1) –ATN –DB (2) GROUND –DB (3) –BSY –DB (4) –ACK –DB (5) –RST... -
Page 71: Table 11. Differential Cable Pin Assignments
Elite 9 Product Manual, Rev. C Table 11. Differential cable pin assignments (non-shielded connector) for ST410800ND drives +Signal name*Pin number–Signal name* SHIELD GND GROUND DB (0) –DB (0) DB (1) –DB (1) DB (2) –DB (2) DB (3) –DB (3) DB (4) –DB (4) -
Page 72: Wide Scsi Interface
Elite 9 Product Manual, Rev. C 11.8.2 Wide SCSI interface 46.13 (1.816) 5.54 (.218) 2.54 (.100) 52.32 (2.060) 12.19 (.480) 0.40 (.016) Figure 21. Non-shielded wide SCSI device connector... -
Page 73: Table 12. Single-Ended P Cable Pin Assignments
Elite 9 Product Manual, Rev. C Table 12. Single-ended P cable pin assignments (non-shielded connector) for ST410800W drives +Signal name*Pin number–Signal name* GROUND –DB (12) GROUND –DB (13) GROUND –DB (14) GROUND –DB (15) GROUND –DB (P1) GROUND –DB (0) GROUND –DB (1) -
Page 74: Table 13. Differential P Cable Pin Assignments
Elite 9 Product Manual, Rev. C Table 13. Differential P cable pin assignments (non-shielded connector) for ST410800WD drives +Signal name* Pin number –Signal name* +DB (12) –DB (12) +DB (13) –DB (13) +DB (14) –DB (14) +DB (15) –DB (15) +DB (P1) –DB (P1) -
Page 75: Disc Drive Scsi Timing
Elite 9 Product Manual, Rev. C 11.9 Disc drive SCSI timing Table 14. Disc drive SCSI timing Waveform Waveform Description symbol [1] table [1] Typical Target select time (no arbitration) < 1 µs < 250 µs Target select time (with arbitration) 4.5-1,2... - Page 76 Elite 9 Product Manual, Rev. C continued from previous page Waveform Waveform Description symbol [1] table [1] Typical Data in byte transfer (parameter) 4.5-12 0.04 µs Data out byte transfer (parameter) 4.5-13 0.04 µs Next data in byte access (parameter) 4.5-12...
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Page 77: Index
Elite 9 Product Manual, Rev. C Index cable and connector 52 power requirements 25 defect and error management 37 Symbols diameter, media (disc) 35 +12V current profile 28 differential drivers/receivers 57 differential I/O cable requirements 54, 55 AC power requirements 25... - Page 78 Elite 9 Product Manual, Rev. C formatting 9 Mode Select command 14 front panel 8 Mode Sense data 49 modifying capacities 8 Motor Start command 13 mounting configuration dimensions 32 grounding 43 MTBF 19 multiple initiators 5 head and disc assembly (HDA) 5...
- Page 79 Elite 9 Product Manual, Rev. C reformatting 9 servo heads 11 relative humidity 29 shielded SCSI I/O cable 9 reliability shock 29, 30 general 8 single-ended drivers/receivers 56 service, and 20 single-ended I/O cable requirements 54 specifications 19 single-unit shipping pack 8...
- Page 80 Elite 9 Product Manual, Rev. C unrecovered data transferred 19 vibration 29, 30 VIC 2 LSI 17 voltage requirements 25 write data, caching 15 write errors 19 Write Protect option 41...
- Page 81 Elite 9 Product Manual, Rev. C...
- Page 82 Seagate Technology, Inc. 920 Disc Drive, Scotts Valley, California 95066-4544, USA Publication Number: 83328860, Rev. C, Printed in USA...
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