Table of Contents
Advertisement
The mainboard provides 8 slots for 240-pin DDR-II DIMM (Double In-Line Memory
Module) modules. You can install DDR-II 400 SDRAM modules on the DDR-II DIMM slots
(DIMM 1~8).
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 128 Mb, 256 Mb, 512Mb, and 1 Gb)
u Maximum 16 GB 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
MCH
Memory
Single Rank DIMMs
Fill Fourth
Fill Third
D
D
D
I
I
I
M
M
M
M
M
M
1
2
3
A1
B1
A2
CKE:
0
1
2
C/S:
0/1
0/1
2/3
(dual rank)
SPD:
A0h
A8h
A2h
Clock: A0/0# B3/3# A3/3# B1/1# A2/2# B2/2# A1/1# B0/0#
Mainboard Hardware
Dual Rank DIMMs
Fill Second
Fill First
D
D
D
D
I
I
I
I
M
M
M
M
M
M
M
M
4
5
6
7
B2
A3
B3
A4
3
4/2
5/3
6/0
2/3
4/5
4/5
6/7
(2/3)
(2/3)
(0/1)
AAh
A4h
ACh
A6h
D
I
M
M
8
B4
7/1
6/7
(0/1)
AEh
3-5
Advertisement
Table of Contents
