Asus P4P800-MX User Manual page 24

Table 1
Mode
Single-channel
Dual-channel
* For dual-channel configuration (3), you may:
• install identical DIMMs in all four sockets, or
• install identical DIMMs in DIMM_A1 and DIMM_B1 (blue sockets)
and identical DIMMs in DIMM_A2 and DIMM_B2 (black sockets)
Table 2 Memory frequency/CPU FSB synchronization
This motherboard supports different memory frequencies depending on the CPU
FSB (Front Side Bus) and the type of DDR DIMM.
CPU FSB
800 MHz
533 MHz
400 MHz
*When using 800MHz CPU FSB, PC2700 DDR DIMMs may run only at
320MHz (not 333MHz) due to chipset limitation.
1-14
Recommended memory configurations
DIMM_A1
(blue)
(1) Populated
(2) —
(3) —
(4) —
(1) Populated
(2) —
(3)* Populated Populated Populated Populated
DDR DIMM Type
PC3200/PC2700*/PC2100
PC2700/PC2100
PC2100
Sockets
DIMM_A2 DIMM_B1
(black) (blue)
— —
Populated —
— Populated
— —
Populated
—
Populated
—
Memory Frequency
400/333*/266 MHz
333/266 MHz
266 MHz
Chapter 1: Product introduction
DIMM_B2
(black)
—
—
—
Populated
—
Populated