Replacing a RAID battery or flash power module
When you install any RAID adapter that comes with batteries or flash power
modules, they must be installed remotely in the server to prevent them from
overheating. The batteries or flash power modules must be installed in the trays on
top of the USB/video assembly (above the operator information panel). To install
the batteries or flash power modules remotely in the server, complete the following
steps:
1. Read the safety information that begins on page “Safety” on page vii and
“Installation guidelines” on page 33.
2. Place the new battery into the battery tray.
3. Connect the battery cable to the new battery and replace the battery retention
clip to secure the batteries in the trays.
4. Install the cover.
5. Slide the server into the rack.
6. Reconnect the power cords and all external cables, and turn on the server and
peripheral devices.
Removing a RAID cache card
Note: For additional information and notes about the adapters, see “Installing an
adapter” on page 66.
To remove a RAID cache card, complete the following steps:
1. Read the safety information that begins on page “Safety” on page vii and
“Installation guidelines” on page 33.
2. Turn off the server (see “Turning off the server” on page 21) and all attached
peripheral devices. Disconnect all power cords; then, disconnect all external
cables as necessary to replace the device.
3. Remove the top cover (see “Removing the server top cover” on page 206).
4. If the cache card is installed on the system board, complete the following
steps.
a. Disconnect the cable from the battery or flash power module in the
battery/flash power module tray located on top of the USB/video assembly
near the front of the server.
b. Press the blue lever toward the rear of the server to the open position. The
cache card will disengage from the RAID cache card connector on the
system board.
250 System x3750 M4 Types 8722 and 8733: Installation and Service Guide
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