HP A3312A - Manual (Page 108)

Service
Backplane Assembly
102
Service
Figure 38. SCSI Bus Reset Switch Default Settings
Table 23. SCSI Bus Reset Switch Functions
Switch 1:
Bus B
Power Detect
Switch 2:
Bus B
Module Detect
Switch 3:
Bus A
Power Detect
Switch 4:
Bus A
Module Detect
Switch
Enabled
(Up, Default): SCSI bus B is reset if
one of these events
occurs:
•
The power switch is
cycled.
•
Both power cords
are unplugged.
•
The input voltage
limits are exceeded on
both power supplies.
•
Both power supplies
shut down.
SCSI bus B is reset if
a storage module is
inserted or removed. SCSI bus A is reset if
one of these events
occurs:
•
The power switch is
cycled.
•
Both power cords
are unplugged.
•
The input voltage
limits are exceeded on
both power supplies.
•
Both power supplies
shut down.
SCSI bus A is reset if
a storage module is
inserted or removed.
Switch
Disabled
(Down): SCSI bus B is not
reset if one of the
above events occurs. SCSI bus B is not
reset if a storage
module is inserted or
removed. SCSI bus A is not
reset if one of the
above events occurs. SCSI bus A is not
reset if a storage
module is inserted or
removed.