Emerson MVME147 Computer Hardware User Manual


 
SCSI PACKETS
7-30
7
Note
This work area is used by the SCSI firmware to build the
SCSI command and to return additional information. The
user does not build this table. Shown below are the return
parameters. This RAM work area cannot be deallocated or
moved except after a detach or reset command. The
firmware uses this area for the SCSI CDB and local pointers
and variables.
Even Byte \
Odd Byte \
2. Buffered writes are used to allow time for additional data to be
transferred, thus keeping the tape streaming. If non-buffered, controller
returns status only after all data has been written to the tape. If buffered,
controller returns a good status when all data has been transferred to the
buffer, although all data may not yet have been written to the tape.
FC B8 74 30
+$00 Reserved
.
.
.
+60 Block Number in Error (MSW)
+62 Block Number in Error (LSW)
+$64 SCSI Controller Status 0 0
+$66 Transfer Address (MSW)
+$68 Transfer Address (LSW)
+$6A 0000
+$6C 0000
+$6E 0000
+$70 0000
+$72 Command Error Status Offset
+$74 Sense Data Block
.