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Either 4, 8, 12, or 16 DIMMs must be used. A minimum of four 512 MB FBDIMMs are
required. These must be in sockets DIMM_A1 and DIMM_B1 on riser card 1, and
DIMMC1 and DIMM_D1 on riser card 2.
If 8 DIMMs are used, they must be in the 4 sockets noted above in addition to DIMM_A2
and DIMM_B2 on riser card 1, and DIMM_C2 and DIMM_D2 on riser card 2.
If 12 DIMMs are used, they must be in the 8 sockets noted above in addition to
DIMM_A3 and DIMM_B3 on riser card 1, and DIMM_C3 and DIMM_D3 on riser card
2.
If 16 DIMMs are used, all sockets on both riser cards are populated.
FBDIMMs must meet the following requirements:
•
Use only FBDIMMs (DDR2-533 or DDR2-667).
•
Use only 240-pin FBDIMMs.
•
Use FBDIMMs with capacities of 512 MB, 1 GB, 2 GB, or 4 G.
•
Use only FBDIMMs that comply with the JEDEC Rev 2.0 specifications.
•
The FBDIMMs must be populated in multiples of four. First populate sockets A1,
B1 (card 1), and C1, D1 (card 2). Then populate sockets A2, B2 (card 1), and C2, D2
(card 2), and so on.
•
DIMMs within each group of four must be identical with respect to size, speed, and
organization. DIMM capacities can be different between different groups of four.
For example, a valid mixed-DIMM configuration can consist of 512 MB DIMMs
installed in sockets A1, B1, C1, and D1, and 1 GB DIMMs installed in sockets A2,
B2, C2, and D2.
Note: Full DIMM heat spreader (FDHS) FBDIMMs are required.
During the boot process, FBDIMMs that do not meet the population requirements are
disabled.
For a complete list of supported FBDIMMs, see the links under
and Software" on page
Intel® Server System SC5400RA User's Guide
ix.
"Additional Information
21
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