Asus ME-99B - Manual (Page 22)

22 ASUS ME-99B 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.
NOTE: At the time this User’s Manual was written, 256MB DIMMs are only avail-
able as registered memory.
3.5.1 VGA Shared Memory with DIMM
When using DIMM as shared memory for the onboard VGA, be sure that there is a
DIMM inserted into DIMM socket 1.
3.5.2 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 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.
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
Socket 3 (Rows 4&5) SDRAM 8, 16, 32, 64, 128, 256MB x1
Total System Memory (Max 768MB) =