Vendor Unique Page 21H - HP 2600fx - Optical Disk Drive Command Reference Manual

Table 2-41
Byte 7
0 Reserved (0)
1
2
3 DWR
4 S1-8
5 S2-8
6
7-11
SCSI-2 Drive Command Set
Mode Select Command (15H)

Vendor Unique Page 21H

Vendor Unique Page 21H
6 5
Quick Rsvd (0)
Dis-
connect
S1-7 S1-6
S2-7 S2-6
Reserved (0)
DAIR A Direct Access Inquiry Response bit of 1 indicates the
Peripheral Device Type field in the Inquiry Data
indicates "Direct Access Device."
A DAIR bit of 0 indicates "Optical Memory Device" in
the Peripheral Device Type field in the Inquiry Data.
DWR A Disable Write Reordering bit of 1 indicates write
reordering is not enabled.
A DWR bit of 0 indicates write reordering is enabled.
Quick
Disconnect A Quick Disconnect bit of 1 enables SCSI bus
disconnection before command validation on
performance path commands (i.e. reads, writes).
A Quick Disconnect bit of 0 disables SCSI bus
disconnection before validation on performance path
commands.
2-46
4 3
Page Code (21H)
Page Length (0AH)
Reserved (0)
Force
Verify
S1-5 S1-4
S2-5 S2-4
Reserved (0)
2 1
Reserved (0)
S1-3 S1-2
S2-3 S2-2
DOM
Chapter 2
0
DAIR
S1-1
S2-1
FWC