Quantum 10K II - page 363

Appendix B. SCSI Bus Signal Timing

B–42 Quantum Atlas 10K II Ultra 160/m SCSI Hard Disk Drives

Contents

Main Page Quantum Atlas 10K II Ultra 160/m SCSI Hard Disk Drives iii CONTENTS Chapter 2 GENERAL DESCRIPTION Chapter 3 INSTALLATION iv Quantum Atlas 10K II Ultra 160/m SCSI Hard Disk Drives Chapter 4 SPECIFICATIONS Chapter 5 SCSI DESCRIPTION Quantum Atlas 10K II Ultra 160/m SCSI Hard Disk Drives v vi Quantum Atlas 10K II Ultra 160/m SCSI Hard Disk Drives Chapter 6 FEATURE DESCRIPTIONS Quantum Atlas 10K II Ultra 160/m SCSI Hard Disk Drives vii Appendix A QUICK REFERENCE Appendix B SCSI REFERENCE INFORMATION Page Quantum Atlas 10K II Ultra 160/m SCSI Hard Disk Drives ix Appendix C NEGOTIATED RATE INFORMATION PAGE REFERENCE xQuantum Atlas 10K II Ultra 160/m SCSI Hard Disk Drives Figures Page xii Quantum Atlas 10K II Ultra 160/m SCSI Hard Disk Drives Figures (continued) Quantum Atlas 10K II Ultra 160/m SCSI Hard Disk Drives xiii Figures (continued) xiv Quantum Atlas 10K II Ultra 160/m SCSI Hard Disk Drives Tables Page xvi Quantum Atlas 10K II Ultra 160/m SCSI Hard Disk Drives Tables (continued) Quantum Atlas 10K II Ultra 160/m SCSI Hard Disk Drives xvii Tables (continued) xviii Quantum Atlas 10K II Ultra 160/m SCSI Hard Disk Drives Page Quantum Atlas 10K II Ultra 160/m SCSI Hard Disk Drives xvii REVISION RECORD REVISIONS Revision Record xviii Quantum Atlas 10K II Ultra 160/m SCSI Hard Disk Drives Chapter 1 ABOUT THIS MANUAL 1.1 AUDIENCE 1.2 DOCUMENT ORGANIZATION 1.3 TERMINOLOGY AND CONVENTIONS Page Page Page Chapter 2 GENERAL DESCRIPTION 2.1 PRODUCT OVERVIEW 2.2 KEY FEATURES 2.3 STANDARDS AND REGULATIONS 2.4 HARDWARE REQUIREMENTS Chapter 3 INSTALLATION 3.1 SAFETY, HANDLING, & ELECTROSTATIC DISCHARGE PROTECTION 3.1.1 Safety Precautions 3.1.2 Handling 3.1.3 Electrostatic Discharge (ESD) Protection 3.2 SPACE REQUIREMENTS Shock Feet 3.3 UNPACKING INSTRUCTIONS 3.4 CONFIGURATION JUMPERS AND CONNECTIONS 3.4.1 Jumper Configurations and Connections Disk Drives with 68-Pin SCSI Connector Quantum Atlas 10K II Ultra 160/m SCSI Hard Disk Drives 37 Figure 3-4 Jumper and Connector Locations, 68-Pin SCSI Connector Version 28-Pin Secondary Option Connector DRIVES WITH 68-PIN SCSI CONNECTOR 12-Pin Option Connector 3.4.1.1 TERMPWR (Disk Drives with 68-Pin SCSI Connector) 3.4.1.2 SCSI ID (Disk Drives with 68-Pin SCSI Connector) Page 3.4.1.3 Write Protection (Disk Drives with 68-Pin SCSI Connector) 3.4.1.4 Spin Up (Disk Drives with 68-Pin SCSI Connector) 3.4.1.5 Enable Narrow Mode (Force 8) (Disk Drives with 68-Pin SCSI Connector) 3.4.1.6 Remote Busy and Fault Displays (Disk Drives with 68-Pin SCSI Connector) 3.4.2 Jumper Configurations and Connections for SCA-2 Connector Versions 3.4.2.1 Termination for SCA-2 Connector Versions 3.4.2.2 SCSI ID for SCA-2 Connector Versions 3.4.2.3 Spin Up for SCA-2 Connector Versions 3.4.2.4 Activity LED for SCA-2 Connector Versions 3.4.2.5 Force Single-Ended Operation for SCA-2 Connector Versions 3.5 CONNECTOR PINOUTS AND WIRING DIAGRAMS 3.5.1 Atlas 10K II Ultra 160/m SCSI Disk Drive with 68-Pin SCSI Connector Quantum Atlas 10K II Ultra 160/m SCSI Hard Disk Drives 317 Table 3-5 68-Pin Wide (LVD) SCSI Connector Pin Assignments 3.5.2 Atlas 10K II Ultra 160/m SCSI Disk Drive With 80-Pin, SCA-2 SCSI Connector Quantum Atlas 10K II Ultra 160/m SCSI Hard Disk Drives 319 Table 3-6 80-Pin SCA-2 SCSI Connector Pin Assignments Page 3.6.2 Mounting Screw Clearance Page 3.6.3 Shock Clip 3.6.4 Mounting 3.6.5 Ventilation 3.6.6 Installation in a 3.5-inch Bay 3.6.7 Installation in a 5.25-inch Bay 3.6.8 Backplane Installation (SCA Drive) 3.6.9 Drive Connections 3.6.9.1 SCSI Bus Connection 3.6.9.2 Power Connection 3.6.9.3 Cables Page Quantum Atlas 10K II Ultra 160/m SCSI Hard Disk Drives 4-1 Chapter 4 SPECIFICATIONS 4.1 SPECIFICATION SUMMARY Table 4-1 Specifications Specifications 4-2Quantum Atlas 10K II Ultra 160/m SCSI Hard Disk Drives Table 4-1 Specifications (continued) 4.2 FORMATTED CAPACITY Specifications 4-4Quantum Atlas 10K II Ultra 160/m SCSI Hard Disk Drives 4.3 DATA TRANSFER RATES Specifications Quantum Atlas 10K II Ultra 160/m SCSI Hard Disk Drives 4-5 4.4 TIMING SPECIFICATIONS 4.5 POWER 4.5.1 Power Sequencing 4.5.2 Power Reset Limits Specifications Quantum Atlas 10K II Ultra 160/m SCSI Hard Disk Drives 4-7 4.5.3 Power Requirements 4.5.3.1 Power Consumption 4.5.3.2 DC Voltage Tolerances Specifications 4-8Quantum Atlas 10K II Ultra 160/m SCSI Hard Disk Drives 4.5.3.3 Current Requirements Typical currents are at nominal supply voltages. Spin-Up Mode Idle Mode ECMA Seek Mode Page Specifications 4-10 Quantum Atlas 10K II Ultra 160/m SCSI Hard Disk Drives 4.6 ACOUSTICS 4.7 MECHANICAL 4.8 ENVIRONMENTAL CONDITIONS 4.9 SHOCK AND VIBRATION 4.10 RELIABILITY Chapter 5 SCSI DESCRIPTION Page 5.1 OVERVIEW OF THE SCSI COMMAND DESCRIPTIONS 54Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives Table 51 Supported SCSI Commands (continued) 5.2 Command Descriptor Block 56Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives 57 Table 52 Command Descriptor Block Field Descriptions (continued) Page 5.3 Status/Error Reporting 510 Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives Table 54 Status Codes 5.4 Auto Contingent Allegiance Condition and Contingent Allegiance Condition Page 5.5 Extended Contingent Allegiance Condition Page 5.6 Linked Commands Page 5.7 DATA Transfer Command Components 518 Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives Table 55 DATA-Phase Command Contents Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives 519 Table 55 DATA-Phase Command Contents (continued) Page 5.8 SCSI COMMAND DESCRIPTIONS Common Fields Page 5.9 CHANGE DEFINITION Command (40h) Page 5.10 FORMAT UNIT Command (04h) 526 Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives 5.10.1 Five Forms of FORMAT UNIT Commands 5.10.2 FORMAT UNIT Parameter List 528 Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives 5.10.2.1 FORMAT UNIT Defect List Header Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives 529 Table 59 FORMAT UNIT Defect List Header Field Descriptions (continued) Figure 57 FORMAT UNIT Defect Descriptor Block Format 5.10.2.2 FORMAT UNIT Defect Descriptor Block Format Each descriptor specifies a 4-byte defective sector address of the sector that contains the defect. 5.10.2.3 FORMAT UNIT Defect Descriptor Physical Sector and Bytes From Index Format 5.10.2.4 FORMAT UNIT Initialization Pattern Descriptor Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives 531 Table 510 FORMAT UNIT Initialization Pattern Descriptor Field Descriptions Table 511 FORMAT UNIT Initialization Pattern Type Page 5.11 INQUIRY Command (12h) Page Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives 535 5.11.1 Standard Inquiry Data Page Figure 511 Standard Inquiry Data Page Data Format 536 Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives Table 513 Standard Inquiry Data Page Field Descriptions 5.11.2 Vital Product Data Pages 5.11.2.1 Supported Vital Product Data Pages Page (00h) 5.11.2.2 Unit Serial Number Page (80h) 5.11.2.3 Implemented Operating Definition Page (81h) 5.11.2.4 ASCII Implemented Operating Definition Page (82h) 5.11.2.5 Device Identification Page (83h) (SCSI-3 ONLY) 542 Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives Table 517 Device Identification Page Field Descriptions 5.11.2.6 Firmware Revision Page (C0h) INQUIRY Command (12h) (continued) 5.11.2.7 Quantum Manufacturing Information Page (C1h) 5.11.2.8 Negotiated Rate Information Page (C4h) 546 Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives Table 517A Negotiated Rate Information Page Field Descriptions INQUIRY Command (12h) (continued) 5.11.2.9 Command Support Data Pages 548 Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives Table 518 Command Support Data Page Field Descriptions Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives 549 Table 519 Command Support Data Page Command or Operation Codes (continued) 550 Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives Table 519 Command Support Data Page Command or Operation Codes (continued) 5.12 LOG SELECT Command (4Ch) Page 5.13 LOG SENSE Command (4Dh) 554 Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives Table 521 Disk Drive Log Pages Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives 555 5.13.1 LOG SENSE Command Descriptor Block 5.13.2 LOG SENSE Log Pages Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives 557 Page 5.14 MODE SELECT (6) Command (15h) 5.14.1 Initiator-Changeable Mode Pages 5.14.2 Mode Page Types 5.14.3 Mode Parameter List Page Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives 563 Table 530 Mode Parameter Block Descriptor Field Descriptions 5.14.3.1 Categories of Changeable Pages MODE SELECT (6) COMMAND (15h) (continued) 5.14.3.2 Unit Attention Condition Page (00h) 5.14.3.3 Read-Write Error Recovery Page (01h) 566 Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives Table 533 Read-Write Error Recovery Page Field Descriptions Default Field Value Description Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives 567 Table 533 Read-Write Error Recovery Page Field Descriptions (continued) 5.14.3.4 DisconnectReconnect Page (02h) Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives 569 Table 534 DisconnectReconnect) Field Descriptions 570 Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives Table 534 DisconnectReconnect Page Field Descriptions (continued) 5.14.3.5 Verify Error Recovery Page (07h) 572 Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives Table 535 Verify Error Recovery Page Field Descriptions Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives 573 5.14.3.6 Caching Page (08h) Figure 532 Caching Page Data Format The Caching Page controls the drives cache management policy. 574 Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives Table 536 Caching Page Field Descriptions Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives 575 Table 536 Caching Page Field Descriptions (continued) 5.14.3.7 Control Mode Page (0Ah) Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives 577 Table 537 Control Mode Page Field Descriptions 578 Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives Table 537 Control Mode Page Field Descriptions (continued) 5.14.3.8 Notch and Partition Page (0Ch) 580 Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives Table 538 Notch and Partition Page Field Descriptions Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives 581 Table 538 Notch and Partition Page Field Descriptions (continued) 5.14.3.9 XOR Control Mode Page (10h) Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives 583 Table 539 XOR Control Page Field Descriptions MODE SELECT (6) Command (15h) (continued) 5.14.3.10 Power Condition Page (1Ah) Page 586 Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives Table 540 Power Condition Page Field Descriptions 5.14.3.11 Information Exceptions Control Page (1Ch) 588 Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives Table 541 Information Exceptions Control Page Field Descriptions (continued) Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives 589 Table 541 Information Exceptions Control Page Field Descriptions (continued) 590 Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives Table 542 Codes Used by the MRIE Field Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives 591 MODE SELECT (6) Command (15h) (continued) 5.14.3.12 Quantum-Unique Page (39h) Figure 5-38 Quantum-Unique Page Data Format 592 Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives Table 543 Quantum-Unique Page Field Descriptions Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives 593 594 Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives 595 596 Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives 597 598 Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives Asynchronous Information Protection (AIP) 5.15 MODE SELECT (10) Command (55h) MODE SELECT (10) Command (55h) (continued) Page Page 5.16 MODE SENSE (6) Command (1Ah) 5.16.1 Read-Only Mode Pages 5.16.2 Format Device Page (03h) 5106 Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives Table 548 Format Device Page Field Descriptions 5.16.3 Rigid Disk Geometry Page (04h) 5108 Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives Table 549 Rigid Disk Geometry Page Field Descriptions Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives 5109 Table 549 Rigid Disk Geometry Page Field Descriptions (continued) 5.16.4 Vendor-Unique Caching Page (38h) 5.17 MODE SENSE (10) COMMAND (5Ah) 5112 Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives MODE SENSE (10) COMMAND (5Ah) (continued) 5.18 PERSISTENT RESERVATION IN Command (5Eh) 5114 Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives Table 552 PERSISTENT RESERVATION IN Command Field Descriptions Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives 5115 The figure and table below illustrate and describe the data fields of Read Key data parameters. 5116 Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives Page 5118 Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives Table 555 PERSISTENT RESERVATION IN Read Reservations Descriptor Field Page 5120 Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives Table 556 Persistent Reservation Type Codes and Their Meanings (continued) Page Page 5.19 PERSISTENT RESERVATION OUT Command (5Fh) 5124 Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives Table 558 PERSISTENT RESERVATION OUT Command Field Descriptions Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives 5125 Table 558 PERSISTENT RESERVATION OUT Command Field Descriptions Page Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives 5127 5128 Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives 5129 Page Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives 5131 Table 560 Persistent Reservation Type Codes and Their Meanings (continued) Page Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives 5133 Table 561 PERSISTENT RESERVATION OUT Parameter List Field Descriptions 5134 Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives 5.20 READ (6) Command (08h) Page 5.21 READ (10) Command (28h) Page 5.22 READ BUFFER Command (3Ch) 5140 Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives READ BUFFER Command (3Ch) (continued) Table 565 READ BUFFER Command Field Descriptions 5.23 READ CAPACITY Command (25h) READ CAPACITY Command (25 h) (continued) 5.24 READ DEFECT DATA Command (10) (37h) READ DEFECT DATA Command (10) (37h) (continued) Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives 5145 READ DEFECT DATA Command (10) (37h) (continued) Figure 564 Defect List Header Data Format Table 568 Defect List Header Field Descriptions Page 5.25 READ DEFECT DATA Command (12) (B7h) READ DEFECT DATA Command (12) (B7h) (continued) Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives 5149 READ DEFECT DATA Command (12) (B7h) (continued) Figure 568 Defect List Header Data Format Table 570 Defect List Header Field Descriptions Page 5.26 READ LONG Command (3Eh) READ LONG Command (3Eh) (continued) 5.27 READ SKIP MASK Command (E8h) Page 5.28 REASSIGN BLOCKS Command (07h) REASSIGN BLOCKS Command (07h) (continued) 5.29 RECEIVE DIAGNOSTIC RESULTS Command (1Ch) Page 5.29.1 Supported Diagnostics Pages Page (00h) Page Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives 5161 Figure 577 Translate Address Page Data Format 5162 Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives Table 576 Translate Address Page Field Descriptions 5.30 RELEASE (6) Command (17h) Page 5.31 RELEASE (10) Command (57h) 5166 Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives RELEASE (10) Command (57h) (continued) Table 578 RELEASE (10) Command Field Descriptions 5.32 REPORT DEVICE IDENTIFIER Command (A3h) REPORT DEVICE IDENTIFIER Command (A3h) (continued) 5.33 REPORT LUNS Command (A0h) REPORT LUNS Command (0Ah) (continued) 5.34 REQUEST SENSE Command (03h) 5.34.1 Sense Data Availability 5.34.2 Clearing Sense Data 5.34.3 Status Reporting 5.34.4 Sense Data Format for Error Code 70h and Error Code 71h Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives 5173 Figure 585 Sense Data Format for Error Code 70h or 71h Data Format 5174 Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives Table 583 Sense Data Fields (Error Code 70h) Field Descriptions Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives 5175 Table 583 Sense Data Fields (Error Code 70h) Field Descriptions (continued) Table 584 Supported Sense Keys 5176 Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives Table 584 Supported Sense Keys (continued) Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives 5177 Table 585 Sense Key Information Field Contents 5178 Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives Table 585 Sense Key Information Field Contents (continued) Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives 5179 5180 Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives 5181 5182 Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives 5183 5184 Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives Table 586 Supported Additional Sense Codes and Sense Code Qualifiers (continued) Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives 5185 5186 Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives 5187 Page Page Page 5.35 RESERVE (6) Command (16h) RESERVE (6) Command (16h) (continued) 5.36 RESERVE (10) Command (56h) 5194 Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives Table 592 RESERVE (10) Command Field Descriptions Page Page 5.37 REZERO UNIT Command (01h) Page 5.38 SEEK (6) Command (0Bh) Page 5.39 SEEK (10) Command (2Bh) Page 5.40 SEND DIAGNOSTIC Command (1Dh) SEND DIAGNOSTIC Command (1Dh) (continued) 5.40.1 Supported Diagnostic Page List 5.40.2 Translate Address Page 5.41 SET DEVICE IDENTIFIER Command (A4h) SET DEVICE IDENTIFIER Command (A4h) (continued) 5.42 START STOP UNIT Command (1Bh) Page 5.43 SYNCHRONIZE CACHE Command (35h) Page 5.44 TEST UNIT READY Command (00h) Page 5.45 VERIFY Command (2Fh) Page 5.46 WRITE (6) Command (0Ah) Page Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives 5217 5.47 WRITE (10) Command (2Ah) The WRITE (10) command requests that the drive write initiator-supplied data to the medium. Page 5.48 WRITE AND VERIFY Command (2Eh) WRITE AND VERIFY Command (2Eh) (command) 5.49 WRITE BUFFER Command (3Bh) 5222 Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives WRITE BUFFER Command (3Bh) (continued) Table 5103 WRITE BUFFER Command Field Descriptions 5.50 WRITE LONG Command (3Fh) Page 5.51 WRITE SAME Command (41h) Page 5.52 WRITE SKIP MASK Command (EAh) Page 5.53 XDREAD (10) Command (52h) Page 5.54 XDWRITE (10) COMMAND (50h) XDWRITE (10) COMMAND (50h) (continued) 5.55 XPWRITE (10) COMMAND (51h) XPWRITE (10) Command (51h) (continued) Chapter 6 FEATURE DESCRIPTIONS 6.1 KEY FEATURES Page Page Page Page Page Page Page 6.16.3 Reallocation of Bad Blocks 6.17 THE ULTRA 160/m LOW VOLTAGE DIFFERENTIAL (LVD) SCSI INTERFACE 6.17.1DIFFSENS Single- Double- 6.17.4 CYCLIC REDUNDANCY CHECKING 6.17.5 DOMAIN VALIDATION 6.18 HOT PLUGGING/REMOVAL AND INSERTION OF SCSI DEVICES System Considerations Page Appendix A Quick Reference A.1 SCSI-2 / SCSI-3 Equivalent Terminology A2Quantum Atlas 10K II Ultra 160/m SCSI Hard Disk Drives Table A2 SCSI-3 Quick Reference Commands and Messages Quantum Atlas 10K II Ultra 160/m SCSI Hard Disk Drives A3 Table A2 SCSI-3 Quick Reference Commands and Messages (continued) A4Quantum Atlas 10K II Ultra 160/m SCSI Hard Disk Drives Table A3 SCSI-3 Quick Reference - Pages * Not supported in SCSI-1/CSS mode Page Page Quantum Atlas 10K II Ultra 160/m SCSI Hard Disk Drives B1 Appendix B SCSI REFERENCE INFORMATION B.1 SCSI-2 Bus Timing B2Quantum Atlas 10K II Ultra 160/m SCSI Hard Disk Drives Table B1 SCSI Bus Timing Values -- ANSI SCSI-2 Standard (continued) Quantum Atlas 10K II Ultra 160/m SCSI Hard Disk Drives B3 Table B1 SCSI Bus Timing Values -- ANSI SCSI-2 Standard (continued) B.2 SCSI-3 Bus Timing Quantum Atlas 10K II Ultra 160/m SCSI Hard Disk Drives B5 Table B3 Single Transition (ST) SCSI Bus Data and Information Phase Timing B6Quantum Atlas 10K II Ultra 160/m SCSI Hard Disk Drives Table B4 Double Transition (DT) SCSI Bus Data and Information Phase Timing Page Page B.3 Signal States B.3.1 Signal Values B.3.2 SCSI ID Bits & Priorities Quantum Atlas 10K II Ultra 160/m SCSI Hard Disk Drives B11 B.4 SCSI Signals Table B-7 defines the SCSI-3 bus signals. Table B7 SCSI3 Bus Signal Definitions B.5 SCSI Bus Phases B.5.1 BUS FREE Phase B.5.2 ARBITRATION Phase B.5.3 SELECTION Phase B.5.4 RESELECTION Phase Page B.5.5 Information Transfer Phases B.5.5.1 Asynchronous Data Transfer B.5.5.2 Synchronous Data Transfer Page B.5.5.3 Wide Data Transfer B.5.5.4 Signal Restrictions Between Phases B.5.5.5 Message Out Additional Conditions Page B.6 SCSI Bus Conditions B.6.1 Attention Condition B.6.2 Reset Condition B.7 SCSI MESSAGE FORMAT B26 Quantum Atlas 10K II Ultra 160/m SCSI Hard Disk Drives Table B11 Supported SCSI Messages Page B.8 SUPPORTED SCSI MESSAGES B.8.1 ABORT TASK Message (0Dh) (ABORT TAG) B.8.2 ABORT TASK SET Message (06h) (ABORT) B.8.3 CLEAR ACA Message (16h) B.8.4 CLEAR TASK SET Message (0Eh) B.8.5 CONTINUE TASK Message (12h) (CONTINUE I/O PROCESS) B.8.6 DISCONNECT Message (04h) B.8.7 IDENTIFY Message (80h - FFh) B.8.8 IGNORE WIDE RESIDUE Message (23h) B.8.9 INITIATE RECOVERY Message (0Fh) B.8.10 INITIATOR DETECTED ERROR Message (05h) Quantum Atlas 10K II Ultra 160/m SCSI Hard Disk Drives B31 Table B15 Drives Response to INITIATOR DETECTED ERROR Message B.8.11 LINKED COMMAND COMPLETE Message (0Ah) B.8.12 LINKED COMMAND COMPLETE (WITH FLAG) Message (0Bh) B.8.13 MESSAGE PARITY ERROR Message (09h) B.8.14 MESSAGE REJECT Message (07h) B.8.15 NO OPERATION Message (08h) B.8.16 Queue Tag Messages (20h, 21h or 22h) B.8.16.1 HEAD OF QUEUE TAG Message (21h) B.8.16.2 ORDERED QUEUE TAG Message (22h) B.8.16.3 SIMPLE Message (20h) (SIMPLE QUEUE TAG) B.8.17 RELEASE RECOVERY Message (10h) B.8.18 SAVE DATA POINTER Message (02h) B.8.19 SYNCHRONOUS DATA TRANSFER REQUEST Message (01h) B.8.20 TARGET RESET Message (0Ch) (BUS DEVICE RESET) B.8.21 TARGET TRANSFER DISABLE Message (13h) B.8.22 TASK COMPLETE Message (00h) (COMMAND COMPLETE) B.8.23 WIDE DATA TRANSFER REQUEST Message (03h) B38 Quantum Atlas 10K II Ultra 160/m SCSI Hard Disk Drives Table B17 WIDE DATA TRANSFER REQUEST Message Field Descriptions B.8.24 PARALLEL PROTOCOL REQUEST Message (04h) B40 Quantum Atlas 10K II Ultra 160/m SCSI Hard Disk Drives B.8.24 PARALLEL PROTOCOL REQUEST Message (04h) (continued) Table B18 PARALLEL PROTOCOL REQUEST Message Field Descriptions Quantum Atlas 10K II Ultra 160/m SCSI Hard Disk Drives B41 B.8.24 PARALLEL PROTOCOL REQUEST Message (04h) (continued) Table B18 PARALLEL PROTOCOL REQUEST Message Field Descriptions Page Appendix C NEGOTIATED RATE INFORMATION PAGE REFERENCE C.1 TRANSFER PERIOD FACTOR FIELD C.2 SETTINGS FOR THE QAS, DT, AND IU FIELDS Quantum Atlas 10K II Ultra 160/m SCSI Hard Disk Drives I1 INDEX Index I2Quantum Atlas 10K II Ultra 160/m SCSI Hard Disk Drives Index Quantum Atlas 10K II Ultra 160/m SCSI Hard Disk Drives I3