2-7
Hardware Setup
Memory
The mainboard provides 4 slots for 184-pin, 2.5V DDR DIMM with 8
memory banks. You can install DDR266/DDR333/DDR400 SDRAM modules on
the DDR DIMM slots (DIMM 1~4). To operate properly, at least one DIMM
module must be installed.
DDR DIMM Slots
(DDR 1~4, from left to right)
Channel A: DIMM1 & DIMM2
Channel B: DIMM3 & DIMM4
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Introduction to DDR SDRAM
DDR (Double Data Rate) SDRAM is similar to conventional SDRAM,
but doubles the rate by transferring data twice per cycle. It uses 2.5 volts as
opposed to 3.3 volts used in SDR SDRAM, and requires 184-pin DIMM modules
rather than 168-pin DIMM modules used by SDR SDRAM. Please note that
the DDR SDRAM does support ECC (error correcting code) and registered
DIMM.
DDR Population Rules
Install at least one DIMM module on the slots. Each DIMM slot supports
up to a maximum size of 1GB. Users can install either single- or double-sided
modules to meet their own needs. Please note that each DIMM can work
respectively for single-channel DDR, but there are some rules while using
dual-channel DDR (Please refer to the suggested DDR population table on p.
2-8).Users may install memory modules of different type and density on different-
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