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The mainboard provides 6 slots for 184-pin DDR DIMM (Double In-Line Memory
Module) modules. You can install PC2100/DDR266 or PC2700/DDR333 DDR SDRAM
modules on the DDR DIMM slots (DIMM 1~6).
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
MCH
Memory
D
I
M
M
M
M
6
B1
A1
CKE:
0/1
0/1
Clock:
0/0#
0/0#
C/S:
0/1
0/1
SPD:
A8h
A0h
Mainboard Hardware
D
D
D
I
I
I
M
M
M
M
3
4
5
A2
B2
2/3
2/3
1/1#
1/1#
2/3
2/3
AAh
A2h
D
D
I
I
M
M
M
M
1
2
B3
A3
4/5
4/5
2/2#
2/2#
4/5
4/5
ACh
A4h
3-5
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