Memory Module - IBM 8863 - eServer xSeries 366 Service Manual

Problem determination and service guide
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4. Make sure that the ac power LED on the top of the power supply is lit,
5. Replace the top cover.

Memory module

The following notes describe the types of dual inline memory modules (DIMMs) that
the server supports and other information that you must consider when installing
DIMMs:
v The server supports 333 MHz, 1.8V, 240 pin, PC2-3200 single-ranked double
v The server supports up to four memory cards. Each memory card holds up to
v There must be at least one memory card with one pair of DIMMs installed for the
v When you install additional DIMMs on a memory card, be sure to install them in
v You do not have to save new configuration information to the BIOS when
v When you restart the server after adding or removing a DIMM, the server
v Install the DIMMs on each memory card in the order shown in the following
108
IBM xSeries 366 Type 8863: Problem Determination and Service Guide
indicating that the power supply is operating correctly. If the server is turned on,
make sure that the dc power LED on the top of the power supply is lit also.
data-rate (DDR) II, registered synchronous dynamic random-access memory
(SDRAM) with error correcting code (ECC) DIMMs. These DIMMs must be
compatible with the latest PC2-3200 SDRAM Registered DIMM specifications.
For a list of the supported options for the server, see http://www.ibm.com/us/
compact/.
four DIMMs.
server to operate.
pairs. All the DIMM pairs on each memory card must be the same size, and type.
installing or removing DIMMs. The only exception is if you replace a DIMM that
was marked as Disabled in the Memory Settings menu. In this case, you must
re-enable the row in the Configuration/Setup Utility program or reload the default
memory settings.
displays a message that the memory configuration has changed.
tables, depending on which memory configuration you want to use. You must
install at least one pair of DIMMs on each memory card.
Table 4. Memory card installation sequence for performance configuration
Memory card order
First
Second
Third
Fourth
Fifth
Sixth
Seventh
Eighth
Table 5. Memory card installation sequence for cost-sensitive configuration
Memory card order
First
Memory card
1
2
3
4
1
2
3
4
Memory card
1
DIMM pair
1 and 3
1 and 3
1 and 3
1 and 3
2 and 4
2 and 4
2 and 4
2 and 4
DIMM pair
1 and 3
2 and 4

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