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Installing the SCSI Channel Upgrade Daughter
Board
The AA-3102RS's base module has 3 Ultra-Wide SCSI channels.
Installing a SCSI channel upgrade daughter board (AA-9073UWS, AA-
9072UWD, or AA-9073U2) onto the base module allows you to
expand up to a total of 6 SCSI channels. (Only one daughter board
can be mounted at a time).
AA-9073UWS:
AA-9072UWD:
AA-9073U2:
To install the SCSI channel upgrade daughter board:
1. Make sure the power of the host system and drives are off.
2. Position the daughter board so that the SCSI connectors are
facing the rear of the controller.
3. While at it, make sure the connector pins on the daughter board
are aligned with the two header connectors on the controller's
main board.
4. Press both sides of the daughter board downward so that the
connector pins on the daughter board insert into the header
connectors on the main board. Make sure the daughter board is
seated properly.
Chapter 4 Hardware Installation
3 Single-Ended Ultra Wide SCSI Channels
2 Differential Ultra Wide SCSI Channels
3 Ultra2 Wide SCSI Channels
45
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