Asus P4P800S-X Guide de l'utilisateur télécharger pdf (Page 24)

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Chapter 1: Product introduction

This motherboard supports different memory frequencies depending on the CPU

FSB (Front Side Bus) and the type of DDR DIMM.

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.

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)

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

Table 1 Recommended memory configurations

Table 2 Memory frequency/CPU FSB synchronization

1 2 ... 19 20 21 22 23 24 25 26 27 28 29 ... 79 80

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Asus P4P800S-X Guide de l'utilisateur Page 24