HP Surestore Disk Array 12h - And FC60 Service Manual page 198

Removal and Replacement
Backplane Assembly–HP-qualified personnel only
Table 15. SCSI Bus Reset Switch Functions
Switch Number
SCSI Bus Bus Y
Switch Name Power Detect
SCSI Bus Default
Switch Setting (Disabled)
Switch Function When the Bus Y
Power Detect Switch
When Enabled
is enabled, the disk
array controller
generates a SCSI Bus
Reset on Bus Y
whenever power is
applied or removed.
When the Bus Y
Switch Function
When Disabled Power Detect Switch
is disabled (default),
the disk array
controller will not
generate a SCSI Bus
Reset on Bus Y
whenever power is
applied or removed.
198
1 2
Bus Y
Controller Detect
OFF ON
(Enabled)
When the Bus Y
Controller Detect
Switch is enabled
(default), the disk
array controller
generates a SCSI Bus
Reset on Bus Y
whenever disk array
controller Y is
inserted or removed.
When the Bus Y
Controller Detect
Switch is disabled,
the disk array
controller will not
generate a SCSI Bus
Reset on Bus Y
whenever disk array
controller Y is
inserted or removed.
3
Bus X
Power Detect Controller Detect
OFF
(Disabled) (Enabled)
When the Bus X When the Bus X
Power Detect Switch Controller Detect
is enabled, the disk Switch is enabled
array controller (default), the disk
generates a SCSI Bus array controller
Reset on Bus X generates a SCSI Bus
whenever power is Reset on Bus X
applied or removed. whenever disk array
controller X is
inserted or removed.
When the Bus X When the Bus X
Power Detect Switch Controller Detect
is disabled (default), Switch is disabled,
the disk array the disk array
controller will not controller will not
generate a SCSI Bus generate a SCSI Bus
Reset on Bus X Reset on Bus X
whenever power is whenever disk array
applied or removed. controller X is
inserted or removed.
4
Bus X
ON