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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).
BPCON connectors
on the backplane
BPCON connectors
on the motherboard
Bridge Board
(BRIDGE-AR12)
2.5.2 Bridge board (BRIDGE/S-AR12)
If you installed a RAID card, you may create a RAID configuration using the
bundled bridge board for SCSI RAID (BRIDGE/S-AR12).
1. Remove the standard bridge board (BRIDGE-AR12) and replace it with
the SCSI RAID bridge board (BRIDGE/S-AR12).
2. 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).
3. Secure the bridge board with four screws.
4. Connect a 68-pin SCSI cable from the RAID card to the SCSI
connector on the bridge board.