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Chapter 5: Advanced Motherboard Setup
5-9
Maximum Memory
The H8SGL-F motherboard supports up to 256 GB of registered ECC or 64 GB of
unbuffered ECC/non-ECC SDRAM in eight (8) DIMM slots.
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
Note: Memory speed support is dependent on the type of CPU used on the board.
DIMM Module Population Conguration
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
UDIMM
SR or DR Empty 1600 MHz
1333 MHz
8 GB
SR SR 1600 MHz 8 GB
DR DR 1333 MHz 16 GB
RDIMM
SR or DR Empty 1600 MHz
1333 MHz
16 GB
SR SR 1600 MHz 16 GB
DR DR 1600 MHz 32 GB
QR Empty 1333 MHz 1066 MHz 32 GB
QR QR 1066 MHz 800 MHz 64 GB
LRDIMM
QR Empty 1333 MHz 32 GB
QR QR 1333 MHz 64 GB
Note 1: Due to OS limitations, some operating systems may not show more than
4 GB of memory.