Emerson MVME147 Computer Hardware User Manual


 
Initiator Role Custom Packet
2-3
2
$0E 00000000 Initiator role
(TARGET
enable/sequence bit
undefined)
$0F 00000000 Reserved
$10 xxxxxxxx xxxxxxxx Scatter/gather entry
count. No retry
on firmware if
scatter/gather DMA
is used
because command
scatter/gather table
could
be modified after the
command is complete
if disconnect/reselect
occurred.
$12 00000000 00000000 Reserved
$14 00000000 Reserved
$15 00011100 SCSI function ($1C =
custom SCSI )
$16 00000xxx Interrupt level (7 to
0)(0 = polled mode)
$17 xxxxxxxx Vector number to use
upon return
$18 xxxxxxxx Status from SCSI
firmware (byte 2)
(Note 1)
$19 xxxxxxxx Status from SCSI
firmware (byte 3)
(Note 1)
$1A 00000000 Reserved
$1B 0000xxxx Retry count --
number of SCSI
command
retries (refer to
scatter/gather retry
count
above)