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3. HARDWARE 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) of 16, 32, 64, 128MB, or 256MB (512MB maximum sys-
tem memory using 128Mb technology).
This 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:
Location
DIMM1
(Rows 0&1)
DIMM2
(Rows 2&3)
DIMM3
(Rows 3&2)
NOTE: At the time this User's Manual was written, 256MB DIMMs are only avail-
able as Double-Sided registered memory. Using 2x2x2 SDRAM can greatly im-
prove the onboard graphics' performance.
3.5.1 General DIMM Notes
•
When this motherboard operates at 100MHz, PC100-compliant modules must
be used because of the strict timing issues involved under this speed.
•
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.
•
Single-sided DIMMs come in 16, 32, 64,128MB; double-sided come in 32, 64,
128, 256MB.
24
168-pin DIMM SDRAM
Single-Sided
Double-Sided
Single-Sided (must be occupied before DIMM3)
Double-Sided (DIMM3 must be empty)
Single-Sided (DIMM2 must be single-sided)
(Double-Sided DIMM cannot be used here!)
(must be same or half DIMM2 memory size)
Total System Memory (Max 512MB)
ASUS CUWE-RM User's Manual
Total Memory
x1
x1
x1
=
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