IBML S39H-2859-03 OEM HARD DISK DRIVE SPECIFICATIONS for DORS-31080 / DORS-32160 SCSI-3 FAST-20 68-pin Single-ended Models 3.5-Inch Hard Disk Drive ( 1080 / 2160 MB ) Revision (3.0) IBML S39H-2859-03 OEM HARD DISK DRIVE SPECIFICATIONS for DORS-31080 / DORS-32160 SCSI-3 FAST-20 68-pin Single-ended Models 3.5-Inch Hard Disk Drive ( 1080 / 2160 MB ) Revision (3.0) 1st Edition (Rev.1.0) S39H-2859-00 (Dec. 15, 1995) 2nd Edition (Rev.1.1) S39H-2859-01 (Jan. 22, 1996) 3rd Edition (Rev.2.0) S39H-2859-02 (Mar. 15, 1996) 4th Edition (Rev.3.0) S39H-2859-03 (Jun. 13, 1996) The following paragraph does not apply to the United Kingdom or any country where such provisions are inconsistent with local law: INTERNATIONAL BUSINESS MACHINES CORPORATION PROVIDES THIS PUBLICATION “AS IS” WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. 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Contents 1.0 General ...................................................... 1 1.1 Introduction ................................................... 1 1.2 References .................................................... 1 1.3 Glossary ..................................................... 1 1.4 General Caution ................................................ 1 1.0 Outline of the drive ............................................... 3 Part 1. Functional Specification ....................................... 5 2.0 Fixed Disk Subsystem Description ....................................... 7 2.1 Control Electronics ............................................... 7 2.2 Head Disk Assembly .............................................. 7 2.3 Actuator ..................................................... 7 3.0 Drive Characteristics .............................................. 9 3.1 Formatted Capacity ............................................... 9 3.2 Data Sheet .................................................... 9 3.3 Cylinder Allocation .............................................. 10 3.4 Performance Characteristics ......................................... 10 3.4.1 Command overhead ........................................... 11 3.4.2 Mechanical Positioning ......................................... 11 3.4.3 Drive Ready Time ............................................ 13 3.4.4 Data Transfer Speed ........................................... 13 3.4.5 Buffering Operation (Lookahead/Write Cache) ........................... 13 3.4.6 Throughput ................................................ 14 3.4.7 Operating Mode Definition ....................................... 15 4.0 Data integrity ................................................. 17 4.1 Equipment Status ............................................... 17 4.2 Error Recovery ................................................ 17 5.0 Physical Format ................................................ 19 5.1 Shipped Format (PList) ........................................... 19 5.2 Reassigned Format (GList) ......................................... 19 6.0 Specification .................................................. 21 6.1 Electrical Interface Specification ...................................... 21 6.1.1 Connectors ................................................ 21 6.1.2 Signal Definition ............................................. 22 6.1.3 SCSI Cable ................................................ 23 6.1.4 SCSI Bus Terminator .......................................... 23 6.1.5 Hot Plug / Unplug ............................................ 23 6.1.6 SCSI Bus Electrical Characteristics .................................. 24 6.1.7 Option Jumper Block .......................................... 25 6.1.8 Auxiliary Connector ........................................... 27 6.1.9 Jumper Signal Description ....................................... 27 6.1.10 Shipping Default ............................................ 30 6.2 Environment .................................................. 30 6.3 DC Power Requirements ........................................... 31 Copyright IBM Corp. 1995 iii 6.3.1 Start Up Current ............................................. 32 6.4 Reliability ................................................... 33 6.4.1 Contact Start Stop (CSS) ........................................ 33 6.4.2 Data Reliability .............................................. 33 6.4.3 Seek/ID Mis-compare Errors ...................................... 33 6.4.4 Equipment Errors ............................................ 33 6.4.5 Failure Prediction ( PFA / S.M.A.R.T.) ............................... 33 | 6.4.6 Automatic Drive Maintenance (ADM) ................................ 34 6.4.7 Preventive Maintenance ......................................... 34 6.5 Mechanical Specifications .......................................... 35 6.5.1 Outline .................................................. 35 6.5.2 Mechanical Dimensions ......................................... 35 6.5.3 Connector Locations .......................................... 37 6.5.4 Drive Mounting ............................................. 39 6.5.5 Shipping Zone and Lock ........................................ 39 6.5.6 Breather Hole ............................................... 39 6.6 Vibration and Shock ............................................. 40 6.6.1 Operating Vibration ........................................... 40 6.6.2 Non-Operating Vibrations ....................................... 40 6.6.3 Operating Shock ............................................. 41 6.6.4 Non-Operating Shock .......................................... 41 6.7 Acoustics .................................................... 42 6.7.1 Sound Power Levels ........................................... 42 6.7.2 Sound Power Acceptance Criteria ................................... 42 6.7.3 Sound Pressure (Reference) ....................................... 43 6.8 Identification Labels .............................................. 44 6.9 Electromagnetic Compatibility ........................................ 44 6.10 Safety ..................................................... 45 6.10.1 Underwriters Lab (UL) Approval .................................. 45 6.10.2 Canadian Standards Authority (CSA) Approval .......................... 45 6.10.3 IEC Compliance ............................................ 45 6.10.4 German Safety Mark .......................................... 45 6.10.5 Flammability .............................................. 45 6.10.6 Secondary Circuit Protection ..................................... 45 6.11 Packaging ................................................... 45 Part 2. SCSI Interface Specification ................................... 47 7.0 SCSI COMMAND SET ........................................... 49 7.1 Flag and Link Bits .............................................. 51 7.2 Abbreviations ................................................. 51 7.3 Byte ordering conventions .......................................... 51 7.4 FORMAT UNIT (04) ............................................ 52 7.4.1 Defect List ................................................ 53 7.4.2 Defect Descriptor ............................................. 54 7.5 INQUIRY (12) ................................................ 56 7.6 Inquiry data .................................................. 57 7.6.1 INQUIRY Data Format (When Invalid LUN is Specified) .................... 57 7.6.2 Inquiry Data Format - EVPD = 0 .................................. 59 7.6.3 Inquiry Data Format - EVPD = 1 - Page Code = 00 ....................... 61 7.6.4 Inquiry Data Format - EVPD = 1 - Page Code = 01 ....................... 62 7.6.5 Inquiry Data Format - EVPD = 1 - Page Code = 03 ....................... 63 7.6.6 Inquiry Data Format - EVPD = 1 - Page Code = 80h ...................... 64 7.6.7 Inquiry Data Format - EVPD = 1 - Page Code = 82h ...................... 65 iv OEM Spec. of DORS-31080/32160 SCSI-3 FAST-20 68-Pin Single-ended Models 7.7 LOG SELECT (4C) ............................................