MSI 648F Neo - Memory; Introduction to DDR SDRAM

2-7
Hardware Setup
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The mainboard provides 3 slots for 184-pin DDR SDRAM DIMM
(Double In-Line Memory Module) modules and supports the memory size up
to 3GB. You can install PC3200/DDR400, PC2700/DDR333, PC2100/
DDR266 modules on the DDR DIMM slots (DIMM 1~3).
Memory
DDR DIMM Slots
(DIMM 1~3)
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. High memory
bandwidth makes DDR an ideal solution for high performance PC, workstations
and servers.
MSI Reminds You...
If you want to install PC3200/DDR400 module, you can only install
2 DIMMs at the most, no matter you install single-side or double-
side module.