Installing a RAID cache card
The server supports optional RAID cache cards that you can install on the RAID
cache card connector on the system board or on the RAID adapters to upgrade to
RAID levels 5 and 50 support. See “Supported RAID cache cards” on page 70 for
more information about the cache cards and which cache card is supported on the
RAID adapters.
To install 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 from the server.
3. Remove the top cover (see “Removing the server top cover” on page 36).
4. Remove the fan cage assembly (see “Removing the fan cage assembly” on
page 245).
5. Remove the microprocessor and memory expansion tray (see “Removing the
microprocessor and memory expansion tray assembly” on page 278) or DIMM
air baffle (see “Removing the DIMM air baffle” on page 210), whichever one is
installed.
6. Pull the tabs on the SAS cable guide back toward the chassis wall and open
the cable guide cover.
7. Make sure that the release tab on the RAID cache card slot is in the open
position.
8. Touch the static-protective package that contains the cache card to any
unpainted surface on the outside of the server; then, grasp the cache card by
the edges and remove it from the package.
9. Connect one end of the battery cable or flash power module cable to the cache
card.
10. Align the cache card with the RAID cache card slot on the system board or
adapter and lower it onto the connector.
RAID cache card
RAID cache
card connector
Release
tab
84 System x3750 M4 Types 8722 and 8733: Installation and Service Guide
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