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Chapter 2: Hardware Setup
2.5
Installing the backplane and bridge boards
2.5.1 Bridge board (BRIDGE-AR12)
The bridge board links several functions and signals from the motherboard
to the backplane board. The board connects to the pair of connectors labeled
BPCON on the motherboard and to another pair on the backplane. Four
screws secure the bridge board to the motherboard and backplane (indicated
by circles in the figure below).
2.5.2 Bridge board (BRIDGE/S-AR12)
If you installed a SCSI RAID card, you may create a RAID configuration
using the bundled bridge board for SCSI (BRIDGE/S-AR12).
1. Remove the metal metal cage over the bridge board. See instructions
on removing the metal cage on page 38 (PCI fan section).
2. Remove the standard bridge board (BRIDGE-AR12) and replace it with
the SCSI bridge board (BRIDGE/S-AR12).
3. Install the bridge board with the 68-pin SCSI connector facing the rear
panel (see picture on the next page). Take note of the BPCON
connectors for the motherboard (MB) and the backplane (BP).
4. Secure the bridge board with four screws.
5. Connect a 68-pin SCSI cable from the SCSI RAID card to the SCSI
connector on the bridge board.
Connectors for
the backplane
Connectors for
the motherboard
Bridge Board
(BRIDGE-AR12)