Installing A Memory Module - IBM 8836 - Eserver xSeries 306 Maintenance And Troubleshooting Manual

If you have other options to install, do so now. Otherwise, go to "Completing the
installation" on page 41.

Installing a memory module

The following notes describe the type of dual inline memory modules (DIMMs) that
your server supports and other information that you must consider when installing
DIMMs:
v Your server supports 256 MB, 512 MB, and 1 GB DIMMs, for a maximum of 4
v The amount of usable memory will be reduced depending on the system
v Your server comes with one 512 MB DIMM installed in DIMM connector 1. If your
v If you install a second pair of DIMMs in DIMM connectors 2 and 4, they do not
v Install only 2.5 V, 184-pin, double-data-rate (DDR), PC2700 or PC3200,
v When you restart the server, the system displays a message indicating that the
GB of system memory. Go to the ServerProven
servers/eserver/serverproven/compat/us/ for a list of memory modules you can
use with your server.
configuration. A certain amount of memory must be reserved for system
resources. The BIOS will display the total amount of installed memory and the
amount of configured memory.
system has one DIMM installed, when you install an additional DIMM, it must be
installed in DIMM connector 3, and must be the same size, speed, type, and
technology as the DIMM installed in DIMM connector 1. You can mix compatible
DIMMs from various manufacturers.
have to be the same size, speed, type, and technology as the DIMMs installed in
DIMM connectors 1 and 3. However, the size, speed, type, and technology of the
DIMMs you install in DIMM connectors 2 and 4 must match each other.
unbuffered synchronous dynamic random-access memory (SDRAM) with error
correcting code (ECC) DIMMs. These DIMMs must be compatible with the latest
PC2700 and PC3200 SDRAM unbuffered DIMM specification.
memory configuration has changed.
DIMM 4
®
list at http://www.ibm.com/
DIMM 3
Chapter 4. Installing options
37