
Board Set Description
27
TP00354
D
C
B
E
A
F
Power bay connector
A.
SCSI drive 1 connector
B.
SCSI drive 2 connector
C.
SCSI connector to main board
D.
Front panel ribbon cable connector
E.
Front panel power connector
F.
Figure 20. SCSI Backplane Board Layout
QLogic* GEM359* SCSI Hot-swap Controller
The QLogic GEM359 Hot-swap Controller resides on the SCSI backplane board. The primary
functions of the GEM359 are as follows:
•
Implements the SAF-TE command set
•
Controls the SCSI hard drive fault LEDs
•
Provides a path for management information via the SCSI
•
Retrieves hard drive fault status, SCSI backplane temperature, and fan failure information
via the IPMB
•
Queries the status of the power distribution board by retrieving information from the BMC
via the IPMB
•
Controls hard drive power-on and power-down, facilitating hot-swapping
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