8

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
insert the same memory configurations between DDRA1 & DDRA2, and DDRB1 &
y modules
A, B => Memo Type; X =
memory modules together.
2.You must
DDRB2.
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 memor
z Same brand memory
z Same clock specifications of memory
z Same memory speeds
ry Module > 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
wer supply is UNPLUGGED. Pull
ern in the DDR socket. This will
sure
Memory Modules Installation
The following instructions explain memory module installation for this mainboard:
Before install your memory module, please make sure that the po
the white plastic tabs at both ends of the slot away from the slot.
Match the notch on the memory module with the corresponding patt
en that the module will be inserted with the proper orientation.