2-7
System Hardware
DDR Memory
1 . L o c a t e t h e D I M M s l o t s o n 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
Support for direct connect of two DDR channel interfaces, DDR266/DDR333 tech-
nology
Full operation support in single channel mode on either interface
Stacked or unstacked DIMM support for registered DDR266 technology (up to four
DIMMs per channel)
Stacked or unstacked DIMM support for registered DDR333 technology (up to
three DIMMs per channel)
144-bit wide with ECC, DDR266/DDR333 memory interface supports x72, ECC,
registered DDR266/DDR333 DIMMs (using 128 Mb, 256 Mb, 512Mb, and 1 Gb)
Maximum 16 GB support with DDR333 up to two stacked DIMMs (1 Gb x 4 DRAMs)
Maximum 24 GB support with DDR266 up to two stacked DIMMs (1 Gb x 4 DRAMs)
Data bandwidth per channel 2.13 GB/s (DDR266) / 2.7 GB/s (DDR333)
Support for S4EC/D4ED (144,128) x4, Intel x4 Single Device Data Correction (x4
SDDC) ECC in dual channel mode
Support SEC/DED (72,64) ECC on each channel when Intel Single Device Data
Correction (SDDC) is disabled