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H8QG6/i+-F Serverboard User's Manual
2-6
Memory Population for Optimal Performance
-For a Motherboard with One CPU (CPU1) Installed
# DIMMS CPU Channel 1 Channel 2 Channel 3 Channel 4
4 DIMMs CPU1 P1-1A P1-2A P1-3A P1-4A
8 DIMMs CPU1 P1-1A P1-1B P1-2A P1-2B P1-3A P1-3B P1-4A P1-4B
Memory Population for Optimal Performance
-For a Motherboard with Two CPUs (CPU1 & CPU2) Installed
# DIMMS CPU Channel 1 Channel 2 Channel 3 Channel 4
8 DIMMs
CPU1 P1-1A P1-2A P1-3A P1-4A
CPU2 P2-1A P2-2A P2-3A P2-4A
16 DIMMs
CPU1 P1-1A P1-1B P1-2A P1-2B P1-3A P1-3B P1-4A P1-4B
CPU2 P2-1A P2-1B P2-2A P2-2B P2-3A P2-3B P2-4A P2-4B
Memory Population for Optimal Performance – For a Motherboard with
Four CPUs (CPU1, CPU2, CPU3 & CPU4) Installed
# DIMMS CPU Channel 1 Channel 2 Channel 3 Channel 4
16 DIMMs
CPU1 P1-1A P1-2A P1-3A P1-4A
CPU2 P2-1A P2-2A P2-3A P2-4A
CPU3 P3-1A P3-2A P3-3A P3-4A
CPU4 P4-1A P4-2A P4-3A P4-4A
32 DIMMs
CPU1 P1-1A P1-1B P1-2A P1-2B P1-3A P1-3B P1-4A P1-4B
CPU2 P2-1A P2-1B P2-2A P2-2B P2-3A P2-3B P2-4A P2-4B
CPU3 P3-1A P3-1B P3-2A P3-2B P3-3A P3-3B P3-4A P3-4B
CPU4 P4-1A P4-1B P4-2A P4-2B P4-3A P4-3B P4-4A P4-4B
DIMM Module Population Confi guration
For memory to work properly, follow the tables below for memory installation:
Per Channel DIMM Populations Options
DIMM Type DIMM A DIMM B Max. MHz,
1.5V DIMMs
Max. MHz,
1.35V DIMMs
Max. GB/
Channel
Unbuffered
DIMM
SR or DR Empty
1333 MHz 1333 MHz 8 GBSR SR
DR DR
Registered
DIMM
SR or DR Empty
1333 MHz 1333 MHz 16 GBSR SR
DR DR
QR Empty 1333 MHz 1066 MHz 16 GB
QR QR 1066 MHz 800 MHz 32 GB
Note 1: Due to OS limitations, some operating systems may not show more than
4 GB of memory.