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Recover Buffer Data Packet
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7
Recover Buffer Data Packet
The recover buffer data command ($14) is used to recover the data remaining
in the controller’s buffer following an error while writing to tape. This
command returns the data not yet written to tape. The data is read and put in
the address specified.
The table below shows the recover buffer data packet.
Even Byte \
Odd Byte \
$14 00000000 Reserved
$15 01010100 SCSI function ($54 =
load/unload)
$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)
NOTE:
1. Refer to Chapter 3.
FC B8 74 30
+$00 Controller LUN Device LUN
+$02 Status Byte 0 Status Byte 1 (Note 1)
+$04 Memory Address (MSW)
+$06 Memory Address (LSW)
+$08 0000
+$0A 0000