Intel I865PE User Manual page 22

Installation
Channel A
Channel B
- For one DIMM memory configuration, the DIMM can be located on any of
DIMM#1 to DIMM#4 in 64-bit mode.
- For two DIMMs memory configuration, it is recommended to mount the
DIMMs on slots of the same color to enable 128-bit mode.
- For three DIMMs memory configuration, the DIMMs can be located on all
DIMM sockets in 64-bit mode.
- For four DIMMs memory configuration, the DIMMs can be located on all
DIMM sockets in 128-bit mode.
This is summarized in <Table 1> below.
I D M M 1 # S
I D M M 2 #
I D M M 3 #
I D M M 4 #
* SS: Single-Sided DIMM, DS: Double-Sided DIMM
Page 3-6
DDR-A1 DIMM 1
DDR-A2 DIMM 2
DDR-B2 DIMM 4
<Figure 7>
<Figure 8>
1 I D M M
( 4 6 b - ) t i
S D / S
S S D / S
S S D / S
S
<Table 1>
2 I D M M
1 ( 8 2 b - ) t i
S S D / S
S S D / S
S S D / S
S D / S S S D / S
Dual Channel 1
Dual Channel 2
3 I D M M 4 I D M M
( 4 6 b - ) t i 1 ( 8 2 b - ) t i
S S D / S S S D / S S S D / S
S S D / S S S D / S S S D / S
S S D / S S S D / S
S S D / S S S D / S