Emerson MVME147 Manuel D’Utilisation
Assign Alternate Sector Packet (SCSI)
7-33
7
The defect list is optional for this command. If the number of defects in the
defect list is 0, a format device command with no defects is sent to the
controller. If the field is nonzero, the defect list is sent to the controller.
defect list is 0, a format device command with no defects is sent to the
controller. If the field is nonzero, the defect list is sent to the controller.
The defect list is re-formatted by the SCSI firmware, if necessary, to the format
required by the controller.
required by the controller.
Assign Alternate Sector Packet (SCSI)
The SCSI command sent to the controller is: Assign alternate block ($07).
A size error status is returned if there is not at least one entry in the defect list.
The defect list used is the user list, but with a byte count added in the second
word by the SCSI firmware.
word by the SCSI firmware.
The first table is the details of a format/assign alternate sector packet. The
second table is the related defect list.
second table is the related defect list.
Even Byte \
Odd Byte \
COMMAND
CONTROLLER
DEVICE
NAME
COMMAND
NOTES
Winchester
Mode select
$15
Configures the controller for drive
operational parameters.
operational parameters.
Format device
$04
Formats drive.
Floppy
Format device
$04
Formats drive.
FC
B8
74
30
+$00
Controller LUN
Device LUN
+$02
Status Byte 0
Status Byte 1 (Note 1)
+$04
Number of Entries in Defect List
+$06
Pointer to Defect List (MSW)
+$08
Pointer to Defect List (LSW)
+$0A
0
0
0
0
+$0C
0
0
0
0