Asus P4P800S-X Guide de l'utilisateur télécharger pdf (Page 23)

ASUS P4P800-VM motherboard user guide

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1.9 System memory

The motherboard comes with four Double Data Rate (DDR) Dual Inline Memory

Module (DIMM) sockets. These sockets support up to 4GB system memory using

184-pin unbuffered non-ECC PC3200/PC2700/PC2100 DDR DIMMs. The

following figure shows the location of the DDR DIMM sockets.

P4P800-VM

P4P800-VM 184-Pin DDR DIMM Sockets

80 Pins104 Pins

DIMM_A1

DIMM_A2

DIMM_B1

DIMM_B2

1.9.1 Memory configurations

You may install 64MB, 128MB, 256MB, 512MB, and 1GB DDR DIMMs into the

DIMM sockets using the memory configurations in this section.

Important notes

1. Installing DDR DIMMs other than the recommended configurations may

cause memory sizing error or system boot failure. Use any of the

recommended configurations in Table 1.

2. In dual-channel configurations, install only identical (the same type and

size) DDR DIMM pairs for each channel.

3. Always install DIMMs with the same CAS latency. For optimum

compatibility, it is recommended that you obtain memory modules from the

same vendor.

4. Make sure that the memory frequency matches the CPU FSB (Front Side

Bus). Refer to Table 2.

5. DIMMs installed into any three sockets will function in single-channel

mode.

6. When all four sockets are populated with 1GB DIMMs (total 4GB), the

system may detect only 3+GB (a little less than 4GB) due to ICH5 resource

allocation.

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Asus P4P800S-X Guide de l'utilisateur Page 23