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Read/Write Packet
7-7
7
+$12 0000
+$14 Command Control Function Code (00, 04)
+$16 Interrupt Level Vector Number
+$18 Status Byte 2 Status Byte 3 (Note 1)
$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 xxxxxxxx xxxxxxxx Memory Address
(MSW)/scatter/gathe
r
table address if
scatter/gather count
> 0
$06 xxxxxxxx xxxxxxxx Memory Address
(LSW)/scatter/gather
table address if
scatter/gather count
> 0
$08 xxxxxxxx xxxxxxxx Sector Number
(MSW)
$0A xxxxxxxx xxxxxxxx Sector Number (LSW)
$0C xxxxxxxx xxxxxxxx Number of sectors to
transfer/number
of logical
blocks/bytes to
transfer
$0E 00000000 00000000 Reserved
$10 xxxxxxxx xxxxxxxx Scatter/gather count,
number of entries