Maxtor Atlas SCSI Drive 15K II, Product Manual

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Table of Contents
x Maxtor Atlas 15K
5.40 SET DEVICE IDENTIFIER Command (A4h) ................................................................... 5-140
5.41 START STOP UNIT Command (1Bh) ............................................................................... 5-141
5.42 SYNCHRONIZE CACHE Command (35h) ....................................................................... 5-142
5.43 TEST UNIT READY Command (00h) ............................................................................... 5-143
5.44 VERIFY Command (2Fh) ................................................................................................... 5-144
5.45 WRITE (6) Command (0Ah) ............................................................................................... 5-145
5.46 WRITE (10) Command (2Ah)............................................................................................. 5-146
5.47 WRITE AND VERIFY Command (2Eh)............................................................................ 5-147
5.48 WRITE BUFFER Command (3Bh)..................................................................................... 5-148
5.49 WRITE LONG Command (3Fh) ......................................................................................... 5-150
Chapter 6
FEATURE DESCRIPTIONS
6.1 KEY FEATURES .................................................................................................................... 6-1
6.2 PREFETCH ............................................................................................................................. 6-2
6.3 WRITE-BACK CACHING ..................................................................................................... 6-3
6.4 ZERO LATENCY READ/WRITE.......................................................................................... 6-3
6.5 DISCONNECT-RECONNECT............................................................................................... 6-3
6.6 TRACK AND CYLINDER SKEWING ................................................................................. 6-3
6.7 AVERAGE ACCESS TIME ................................................................................................... 6-4
6.8 EMBEDDED SERVO SYSTEM ............................................................................................ 6-4
6.9 DATA INTEGRITY AND SECURITY.................................................................................. 6-4
6.9.1 Media Error Protection .................................................................................................. 6-4
6.9.2 Transfer Error Protection ............................................................................................... 6-4
6.9.3 Addressing Error Protection .......................................................................................... 6-4
6.9.4 Data Sector Reallocation Error Protection .................................................................... 6-5
6.9.5 Data Verification ........................................................................................................... 6-5
6.10 TAGGED COMMAND QUEUING ....................................................................................... 6-5
6.11 COMMAND REORDERING ................................................................................................. 6-5
6.12 BANDED RECORDING ........................................................................................................ 6-6
6.13 POWER MANAGEMENT ..................................................................................................... 6-6
6.14 DIAGNOSTICS....................................................................................................................... 6-6
6.14.1 Power On Self Test (POST) ......................................................................................... 6-7
6.14.2 Periodic Self-Adjustments ............................................................................................ 6-7
6.14.3 Host Diagnostics ........................................................................................................... 6-7
6.14.4 Log Sense ..................................................................................................................... 6-8
6.15 ERROR RECOVERY ............................................................................................................. 6-8
6.15.1 Seek Error Recovery ..................................................................................................... 6-8
6.15.2 Data Read Errors .......................................................................................................... 6-8
6.15.3 Reallocation of Bad Blocks .......................................................................................... 6-8
6.16 SCSI CONFIGURED AUTOMATICALLY (SCAM) ........................................................... 6-9
6.17 THE ULTRA160 and ULTRA320 LOW VOLTAGE DIFFERENTIAL (LVD)
SCSI INTERFACE ................................................................................................................... 6-9
6.17.1 DIFFSENS .................................................................................................................. 6-10
6.17.2 DIFFSENS SWITCHING .......................................................................................... 6-10
6.17.3 DT AND ST CLOCKING .......................................................................................... 6-11