For dual-channel configuration (3), you may – Asus DELUXE P4R800-V User Manual
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ASUS P4R800-V Deluxe motherboard user guide
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Table 1: Recommended memory configurations
* 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)
Legend:
SS - Single-sided
DS - Double-sided
Sockets
Channel 1
Channel 2
Mode/DIMM Type
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 (SS)
—
Populated (SS)
—
(2)
Populated (DS)
—
Populated (DS)
—
(3)*
Populated (SS)
Populated (SS)
Populated (SS)
Populated (SS)
Dual-channel
(1)
Populated (SS)
Populated (DS)
Populated (SS)
Populated (DS)
Populated (DS)
Populated (DS)
Populated (DS)
Populated (DS)
(PC3200/PC2700/
PC2100)
(PC3200/
PC2700/
PC2100)
(PC2700)
When using PC3200 (DDR400) DIMMs, you may install only one
module per channel for a maximum of 2GB system memory. DO NOT
install two PC3200 modules in one channel.