Ddr Memory - MSI MS-9221 User Manual

1u rackmount server
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DDR Memory

1 . L oc at e t h e D I M M s l ot s on t h e
mainboard. Insert the DIMM memory
module vertically into the DIMM slot.
Then push it in until the golden finger
on the memory module is deeply in-
serted in the socket. The plastic clip at
each side of the DIMM slot will auto-
matically close.
2. For optimal system performance, at
least two memory modules must be
installed.
Memory Bus Features
u Support for direct connect of two DDR-II channel interfaces, DDR-II 400 technol-
ogy
u Full operation support in single-channel mode on either interface
u Stacked or unstacked DIMM support for registered DDR-II 400 technology
u 144-bit wide with ECC, DDR-II 400 memory interface supports x72, ECC, regis-
tered DIMMs (using 256 Mb, 512Mb, and 1 Gb)
u Maximum 16GB support with DDR-II 400 up to two stacked DIMMs (1 Gb x 4
DRAMs)
u Data bandwidth per channel 3.2 GB/s (DDR-II 400)
u Support for S4EC/D4ED (144,128) x4, Intel x4 Single Device Data Correction (x4
SDDC) ECC in dual channel mode
u Support SEC/DED (72,64) ECC on each channel when Intel Single Device Data
Correction (SDDC) is disabled
System Hardware
2-7

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