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ASUS P2Z-VM User’s Manual 19
III. H/W SETUP
System Memory
III. HARDWARE SETUP
2. 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) of either 8, 16, 32, 64, 128MB, or 256MB.
The Intel 440ZX AGPset does not support ECC function. ECC memory modules
may be used but the ECC function will not be available.
Memory speed setup is recommended through SDRAM Configuration under “Chipset
Features Setup” in BIOS SETUP.
Install memory in any combination as follows:
DIMM Location 168-pin DIMM Size 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) =
General DIMM Notes
• 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 bus frequency to 66MHz RAM to ensure system stability.
• ASUS motherboards support SPD (Serial Presence Detect) DIMMs. The is the
memory of choice for best performance vs. stability.
• Two possible memory chips are supported: SDRAM with and without ECC.
• SDRAM chips are generally thinner with higher pin density than EDO (Ex-
tended Data Output) chips.
• BIOS shows SDRAM memory on bootup screen.
• 8 chips/side modules do not support ECC, only 9 chips/side modules support ECC.
• Single-sided DIMMs come in 16, 32, 64,128MB; double-sided come in 32, 64,
128, 256MB.