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7
SCSI PACKETS
Introduction
Command packets for the SCSI functions are listed in Table 7-1. The command
packets are described in detail in the following paragraphs.
Table 7-1. SCSI Functions
SCSI
FUNCTION CODE DESCRIPTION
$00 Read (use new read, refer to $70 below)
$04 Write (use new write, refer to $74 below)
$08 Attach (use new disk attach, refer to
$78 below)
$0C Detach (all devices)
$10 Format (with/without defect list)
$14 Assign Alternate Sector
$18 Reserved
$1C Custom SCSI Sequence (refer to Chapter 2)
$20 SCSI Bus Reset
$24 SCSI Controller Reset
$28 Tape Attach (use new tape attach, refer
to $6C below)
$2C Erase
$30 Rewind
$34 Read Block Limits
$38 Space (blocks, filemarks, sequential
filemarks, end of data)
$3C Write Filemarks
$40 Verify CRC
$44 Tape Mode Select
$48 Tape Mode Sense