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2.4.2
Memory Configurations
You may install 1 GB, 2 GB, 4 GB, or 8GB registered ECC/unbuffered ECC DDR3
DIMMs into the DIMM sockets using the memory configurations in this section.
Always install DIMMs with the same CAS latency. For optimum compatibility, it
is recommended that you obtain memory modules from the same vendor.
Memory population table
SR: Single Rank; DR: Double Rank; QR: Quad Rank
DIMM0 DIMM1 DIMM2 Max MHz (1.5V) Max MHz (1.35V)
UDIMM
--
SR/DR
--
SR/DR
--
SR
DR
SR
DR
RDIMM
--
SR/DR
--
SR/DR SR/DR SR/DR
SR/DR
--
SR/DR
--
SR/DR SR/DR SR/DR
--
--
SR/DR
SR
--
SR
DO NOT install DIMMs of different voltages on the motherboard at the same
time, such as a combination of 1.5V DIMMs and 1.35V LVDIMMs.
DIMM 0: DIMM_A1, B1, C1, D1; DIMM 1: DIMM_A2, B2, C2, D2;
DIMM 2: DIMM_A3, B3, C3, D3.
2-18
--
SR/DR
--
SR/DR
--
SR/DR
--
SR/DR
--
SR/DR
--
SR
--
DR
--
DR
--
SR
--
SR/DR
--
SR/DR
QR
SR/DR
QR
SR/DR
--
SR/DR
--
SR/DR
QR
SR/DR
QR
--
--
SR/DR
--
SR/DR
SR
SR
--
SR/DR
--
SR
800
800
800
800
1066
1066
1066
1066
1333
1333
1333
1333
1333
--
1333
--
1333
--
667
667
667
667
667
667
667
667
667
667
800
800
800
800
800
--
800
800
800
800
1066
1066
1066
1066
1066
--
1333
1333
1333
1333
Chapter 2: Hardware information
Timing Mode
1T
1T
1T
1T
1T
2T
2T
2T
2T
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