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5-5
Installing Memory
Caution: Use extreme care when installing or removing DIMM modules to prevent
damage.
Installing Memory
1. Insert each memory module vertically into its slot, paying attention to the
notch along the bottom of the module to prevent inserting the module
incorrectly (see Figure 5-2).
2. Install to slots P1/DIMM1A, P1/DIMM2A, etc. For best performance always
install in groups of two and in the numerical order of the DIMM slots. See
support information below.
3. Gently press down on the memory module until it snaps into place.
4. With two CPUs installed, repeat step 2 to populate the CPU2 DIMM slots. For
best performance always install in groups of two and in the numerical order of
the DIMM slots.
Note: 1 GB, 2 GB, 4 GB, 8 GB, 16 GB or 32 GB size memory modules are
supported. It is highly recommended that you remove the power cord from the
system before installing or changing memory modules. Please refer to our web
site for memory that has been tested on the H8DGT-HLIBQF/HLF serverboard.
Memory Support
The H8DGT-HLIBQF/HLF serverboard supports single/dual/tri/quad-channel,
DDR3-1866/1600/1333/1066 Mhz speed registered ECC SDRAM.
Populating four adjacent slots at a time with memory modules of the same size and
type will result in interleaved (128-bit) memory, which is faster than non-interleaved
(64-bit) memory.
Maximum Memory
The H8DGT-HLIBQF/HLF serverboard supports up to 64 GB of ECC/Non-ECC
UDIMM or up to 256 GB of ECC RDIMM SDRAM in eight (8) DIMM slots.
Chapter 5: Advanced Motherboard Setup
5-7
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