To Enable Dual-Channel DDR, the following conditions must be met:
1.You must insert either DDRA1 & DDRA2 together or DDRB1 & DDRB2 together or all four
emory modules togeth
.You must insert the same memory configurations between DDRA1 & DDRA2, and DDRB1 &
DRB2.
z
Same memory density (128MB, 256MB, 512MB, etc.)
z
Same memory technology (128Mb, 256Mb, or 512Mb)
z
Same memory bus width (x8 or x16)
z
Both either single-sided or dual-sided memory modules
z
Same memory speeds
A, B => Memory M
m
er.
2
D
z
Same brand memory
z
Same clock specifications of memory
odule Type; X => None.
DDRA1
DDRA2
DDRB1
DDRB2
A A A A
B B B B
A B A B
B A B A
A X A X
B X B X
X A X A
X B X B
Memory Modules Installation
inboard:
e slot away from the slot.
Match the notch on the memory module with the corresponding patt
in th
This will
ensure that the module will be inserted with the proper orientation.
The following instructions explain memory module installation for this ma
Before install your memory module, please make sure that the power supply is
UNPLUGGED
. Pull
the white plastic tabs at both ends of th
ern
e DDR socket.
8
