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CHAPTER 4: Installing Components www.gateway.com
42
Mirroring mode:
Sparing mode
For the sparing mode, follow the online spare FBDIMM configuration
requirements (in addition to general configuration requirements) below:
■ When only DIMM1 and DIMM3 are being used, they must be fully
populated with dual-rank FBDIMMs.
■ If DIMM1 and DIMM3, and DIMM2 and DIMM4 are being used, they must
be fully populated.
■ If installed, DIMM1 and DIMM3, and DIMM2 and DIMM4 must contain
FBDIMMs with identical part numbers.
■ If installed, DIMM5 and DIMM7, and DIMM6 and DIMM8 must also contain
FBDIMMs with identical part numbers.
In the online spare mode, FBDIMMs must be populated as specified in the
following table:
* Use only DIMM1 and DIMM3 with dual-rank FBDIMMs.
DIMM Installation Options - Mirroring Mode
DIMM DIMM1 DIMM2 DIMM3 DIMM4 DIMM5 DIMM6 DIMM7 DIMM8 Total
Usable
Memory
4 512 MB - 512 MB - 512 MB - 512 MB - 1 GB
1 GB - 1 GB - 1 GB - 1 GB - 2 GB
2 GB - 2 GB - 2 GB - 2 GB - 4 GB
4 GB - 4 GB - 4 GB - 4 GB - 8 GB
8 512 MB 512 MB 512 MB 512 MB 512 MB 512 MB 512 MB 512 MB 2 GB
1 GB 1 GB 1 GB 1 GB 1 GB 1 GB 1 GB 1 GB 4 GB
2 GB 2 GB 2 GB 2 GB 2 GB 2 GB 2 GB 2 GB 8 GB
4 GB 4 GB 4 GB 4 GB 4 GB 4 GB 4 GB 4 GB 16 GB
DIMM Installation Options - Sparing Mode
DIMM DIMM1 and
DIMM3
DIMM2 and
DIMM4
DIMM5 and
DIMM7
DIMM6 and
DIMM8
2* X - - -
4XX- -
8 X X X X