Asus P4P800 Table, Recommended memory configurations, Memory frequency/CPU FSB synchronization, Table, Mode, only, DIMM_A1, CPU FSB, DDR DIMM Type, Memory Frequency

Table 1		Recommended memory configurations
	Mode			DIMM_A1		Sockets
					DIMM_A2 DIMM_B1 DIMM_B2
	Single-channel		(1)	Populated	—		—		—
			(2)	—	Populated		—		—
			(3)	—	—	Populated			—
			(4)	—	—		—	Populated
	Dual-channel*		(1)	Populated	—		Populated		—
			(2)	—	Populated		—		Populated
			(3)	Populated	Populated		Populated		Populated

*Use only identical DDR DIMM pairs.

*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*/PC2100	400/333*/266 MHz
	533 MHz		PC2700/PC2100	333/266 MHz
	400 MHz		PC2100	266 MHz

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

•The following FSB/DDR ratios are not supported: 400/333, 400/400, 533/400.

•FSB/DDR setting 800/333 is recognized as FSB/DDR 800/320.

2-12 Chapter 2: Hardware information