Attach/Detach Packet (all devices)
7-23
7
+$04 0 0 Number of Tracks
+$06 0 0 Minimum Read Transfer
+$08 0 0 Minimum Write Transfer
+$0A 0 0 Streaming Count
+$0C Speed Code Density Code
+$0E 0000
+$10 SCSI Tape Attributes
+$12 Controller Type Drive Type
+$14 0 0 Function Code (6C)
+$16 Interrupt Level Vector Number
+$18 Status Byte 2 Status Byte 3 (Note 1)
+$1A 0 0 Retry Count
+$1C Physical Bytes per Block (0 for Variable) (Note 2)
+$1E +$20 Pointer to RAM
Work Area
(MSW)
+$22
Pointer to RAM
Work Area
(LSW)
+$24 Logical Bytes per
Block (0 for
Variable) (Note
2)
+$26
$00 00000xxx Controller logical unit
number
$01 00000xxx Device logical unit
number
$02 xxxxxxxx Status from SCSI
firmware (byte 0)
(Note 1)
$03 xxxxxxxx Status from SCSI
firmware (byte 1)
(Note 1)
$04 00000000 Reserved
$05 00000000 Number of tracks on
media (not used by
all
controllers