SentinelRAID Installation and Hardware Reference Manual
5-6
Daughter Board Maintenance
Step 4.
Replace the chassis top cover.
Once the new BBU battery pack has been
connected to the BBU charger board, the chassis top cover must be reinstalled.
For further instructions on how to reinstall the chassis top cover, please refer to
Section 2.6.2
.
5.3.3 BBU Charger Board Replacement
To replace the BBU charger board, please follow these instructions:
Step 1.
Access the controller module.
The BBU charger board is located on the
controller board. To replace the BBU charger board, remove the chassis top
cover and open the chassis. The complete removal procedure is described in
Chapter
2
,
Section 2.6.2
.
Step 2.
Disconnect the BBU battery pack.
If the BBU battery pack has been
connected to the battery charger board, it should be disconnected. See
Section
5.3.2.2
above.
Step 3.
Remove the BBU charger board
. Locate the BBU charger board and gently
pull it up to remove.
Step 4.
Install the new charger board on the controller board
. Complete installation
instructions are described in
Chapter 2
,
Section 2.8
.
Step 5.
Connect the BBU pack.
Connect the BBU battery pack to the charger board
onboard connector. See
Section 5.3.2.2
above.
Step 6.
Replace the chassis top cover.
Once the BBU charger board has been installed
and connected to the BBU battery pack, reinstall the chassis top cover. For
further instructions on how to reinstall the chassis top cover, please refer to
Section 2.6.2
.
5.4. Daughter Board Maintenance
5.4.1 About Daughter Board Maintenance
The daughter board is an optional item installed on the controller board that is used to
expand the number of available SCSI-320 I/O channels. A daughter board can be
damaged by over heating and static electricity, among other things.
5.4.2 Replacing a Daughter Board
To replace a daughter board, please follow these steps:
Step 1.
Access the controller module
. The daughter board is located on the controller
board. To replace the daughter board, remove the chassis top cover and open