Asus MES-N User Manual download pdf (Page 24)

24 ASUS MES-N User’s Manual

3. HARDWARE SETUP

System Memory

3. H/W SETUP

3.5 System Memory (DIMM)

NOTE: No hardware or BIOS setup is required after adding or removing memory.

This motherboard uses only Dual Inline Memory Modules (DIMMs). Sockets are

available for 3.3Volt (power level) unbuffered Synchronous Dynamic Random Ac-

cess Memory (SDRAM).

The SiS chipset does not support ECC. However, ECC memory modules may still

be used, but the ECC function will not be available.

Memory speed setup is recommended through SDRAM Configuration in 4.4.1

Chip Configuration.

Install memory in any combination as follows:

DIMM Location 168-pin DIMM Total Memory

Socket 1 (Rows 0&1) SDRAM 8, 16, 32, 64, 128, 256MB x1

Socket 2 (Rows 2&3) SDRAM 8, 16, 32, 64, 128, 256MB x1

Total System Memory (Max 512MB) =

3.5.1 General DIMM Notes

• VGA shared memory with one DIMM: When using only one DIMM as shared

memory for the onboard VGA, it must be inserted into Socket 1, leaving Socket

2 empty.

• At the time this User’s Manual was written, 256MB DIMMs are either available

as registered memory or 128Mbit DIMMs.

• For the system CPU bus to operate at 100MHz, use only PC100-compliant

DIMMs. When this motherboard operates at 100MHz, most system will not

even boot if non-compliant modules are used because of the strict timing issues

involved under this speed. If your DIMMs are not PC100-compliant, set the

CPU external frequency to 66MHz RAM to ensure system stability. NOTE: If

your motherboard supports asynchronous mode, set the memory clock frequency

to 66MHz.

• ASUS motherboards support SPD (Serial Presence Detect) DIMMs. This is the

memory of choice for best performance vs. stability.

• SDRAM chips are generally thinner with higher pin density than EDO (Ex-

tended Data Output) chips.

• BIOS shows SDRAM memory on bootup screen.

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Asus MES-N User Manual Page 24