scsi interface specification - Plasmon

DRIVE COMMAND SET ACCESS EVENT LOG (ECH)The SCSI Activity Log is composed of two parts: a Mode Sense Parameters section and a 256-byte FIFObuffer reflecting SCSI activity.Table 17. 6000 Log Mode Logs - Page 9: SCSI Activity Log (Size 266)BYTE (DECIMAL) DESCRIPTION BYTE (HEX)0 Mode Sense Header Byte 2 01 Mode Sense Page 20 Byte 2 12 Mode Sense Page 20 Byte 3 23 Mode Sense Page 21 Byte 2 34 Mode Sense Page 1 Byte 2 45 Mode Sense Page 1 Byte 3 56 - 7 Mode Sense Page 2 Bytes 10 -11 6 - 78 - 9 SCSI Log Index indicates last log entry 8 - 910 - 265 SCSI Log (Size 256) A - 109SCSI LogData will be entered into the SCSI log in the following order:• A Reset will be a two-byte entry. The first byte is a reset type listed in Table 18; the second byte isalways an FFH with a Reset Entry).Table 18. Reset DescriptionBYTE03 Power onRESET TYPE04 Selftest Switch or SEND DIAGNOSTIC Command06 SCSI Bus Reset07 Bus Device Reset Message08 CDE Reset (There will be a 2 byte embedded codereference number between the "08" and the "FF" bytes).• SCSI Opcode will be a one byte entry for any command• Additional bytes to follow Opcode depending on command are:- LBA - 4 bytes - (If command was a READ, SEEK, WRITE, VERIFY or MEDIA SCAN)- Length - 2bytes - (If command was a READ, WRITE or VERIFY)- Prevent - 1 byte - (0=allow, 1=prevent) if command was PAMR (1E)- Blank - 1 byte - (0=written, 4=blank) if command was VERIFY (2F)- Start - 1 byte - (0=stop, 1=start) if command was START/STOP (1B)PLASMON L M S - LD 6100/LF 6600/LF 6602 SCSI INTERFACE SPECIFICATIONPage 44