Table 1

Recommended memory configurations

 

 

 

 

 

 

 

 

 

 

 

 

Sockets

 

 

 

Mode

 

DIMM_A1

DIMM_A2

DIMM_B1 DIMM_B2

 

 

 

 

(blue)

(black)

(blue)

(black)

 

 

 

 

 

 

 

 

Single-channel(1)

Populated

 

 

 

(2)

Populated

 

 

 

(3)

Populated

 

 

 

(4)

Populated

 

Dual-channel

(1)

Populated

Populated

 

 

 

(2)

Populated

Populated

 

 

 

(3)*

Populated

Populated

Populated

Populated

 

 

 

 

 

 

 

 

*For dual-channel configuration (3), you may:¥install identical DIMMs in all four sockets or

¥install identical DIMM pair in DIMM_A1 and DIMM_B1 (blue sockets) and identical DIMM pair in DIMM_A2 and DIMM_B2 (black sockets)

Table 2

Memory frequency/CPU FSB synchronization

 

 

 

 

 

CPU FSB

DDR DIMM Type

Memory Frequency

 

 

 

 

 

 

800 MHz

 

PC3200/PC2700*/PC2100400/333*/266 MHz

 

 

 

 

 

 

533 MHz

 

PC2700/PC2100333/266 MHz

 

 

 

 

 

 

400 MHz

 

PC2100266 MHz

 

 

 

 

 

*When using 800MHz CPU FSB, PC2700 DDR DIMMs may run only at 320MHz (not 333MHz) due to chipset limitation.

ASUS P4C800 Deluxe motherboard user guide

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