HP C2246 Technical Reference Manual page 85

Mode Select, Mode Sense
Page Code 09H, Peripheral Device Parameters (Savable Page)
Bit
Byte 7
I
6
I
5
I
4
I
3
I
2
I
1
I
0
00 PS
I
Reserved
I
Page Code
=
09H
01 Page Length
In Bytes
=
OAH
02-03 (MSB=02) Interface Identifier
(LSB=03)
04-07 Reserved
08-10 {MSB=08) Interface Specific Parameters
(LSB=lO)
11 Reserved
Page 09H Parameter Yalues
Parameter
Default Changeable Allowable Range
Values Values
(HEX)
Interface Identifier 8000
No 8000 =SCSI
Interface Specific Parameters 000000 Yes • H Interface Identifier= 8000 (SCSI):
c Byte 8, bit 4:
0
=
SCSI-2 mode
1 =SCSI (CCS) mode
o Byte B, bit 5:
0 = copy drive error and fault log from
RAM to medla. on error only
1
=
do not copy log; log contents will
be lost on power cycle or bus reset
o Byte 8, bit 6: Auto-head alignment
control
0 = enable automatic head alignments
1 = clisable automatic head alignments
and execute them on Rezero Unit
commands, check bit 7
o Byte 8, bit 7: Rezero Unit conunand head
alignment control
0 = align current head
1
=
al ways align all heads regardless of
bit 6 state
o All other bit positions are reserved and
should be set to zero ( 0)
SCSI
Command Descriptions A·29