Emerson MVME147 Computer Hardware User Manual


 
Attach/Detach Packet (all devices)
7-25
7
$05 1/4" 4/9 QIC-24
Cartridge
Serial 8000 GC
$06 1/2" 9 Reel-to-reel Parallel 3200 PE
$0E 00000000 Reserved
$10 xxxxxxxx xxxxxxxx SCSI tape attributes
........ .......0 Non-buffered writes
(Note 3)
........ .......1 Buffered writes (Note
3)
........ ..0..... No reserve on attach;
no release on detach
........ ..1..... Reserve on attach;
release on detach
$12 xxxxxxxx Controller type (refer
to controller type
table)
$13 00001100 Drive type
(sequential access
generic drive)
$14 00000000 Reserved
$15 00101000 SCSI function ($28 =
attach, $6C new
attach)
$16 00000xxx Interrupt level (7
through 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 xxxxxxxx Reserved
$1B xxxxxxxx Retry count: number
of SCSI commands