Installing A Memory Module - HP Pavilion 9900 - Desktop PC Manual

The following table illustrates the initial
combinations of RIMMs you can use, and the
insertion sequence.
Channel 1
Total
RIMM A1 RIMM A2
Memory socket socket
128 MB 64 MB C-RIMM
RIMM
256 MB 64 MB 64 MB
RIMM RIMM
256 MB 128 MB C-RIMM
RIMM
384 MB 128 MB 64 MB
RIMM RIMM
512 MB 128 MB 128 MB
RIMM RIMM
512 MB 256 MB C-RIMM
RIMM
Channel 2
RIMM B1 RIMM B2
socket
socket
64 MB C-RIMM
RIMM
64 MB 64 MB
RIMM RIMM
128 MB C-RIMM
RIMM
128 MB 64 MB
RIMM RIMM
128 MB 128 MB
RIMM RIMM
256 MB C-RIMM
RIMM

Installing a Memory Module

1 Turn off the computer and all peripherals.
2 Disconnect the modem/phone cable.
3 Disconnect the power cord and all other
attached cables (such as the keyboard, mouse,
and monitor).
4 Remove the side panel and the fan duct (see
"Removing the Side Panels" on page 4 and
"Removing the Fan Duct" on page 6).
5 Locate the memory sockets on the
motherboard.
DIMM and
DDR DIMM
Note:
If all of the memory sockets are filled, you need
to remove one of the memory modules (see
"Removing a Memory Module" on page 11).
upgrading and servicing the pc
RIMM
9