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ASUS A7M266 User’s Manual 25
3. HARDWARE SETUP
3.5 System Memory (DDR DIMM)
This motherboard uses only Double Data Rate (DDR) Dual Inline Memory Modules
(DIMMs). Two sockets are available for 2.5Volt (power level) unbuffered/registered
Double Data Rate Synchronous Dynamic Random Access Memory (DDR SDRAM)
of 64MB, 128MB, 256MB, 512MB, 1GB to form a memory size between 64MB to
2GB. One side (with memory chips) of the DIMM takes up one row on the motherboard.
DDR DIMMs support both ECC (Error Correction Code, typically used in servers)
and non-ECC (used on desktops/laptops) and are available in both registered (typi-
cally used in servers) and unbuffered (typically used in PCs) versions.
NOTE: The DDR memory bus runs at the same frequency as the CPU front side bus.
System Memory
3. H/W SETUP
Install memory in any combination as follows:
DIMM Location 184-pin DIMM Total Memory
Socket 1 (Rows 0&1) 64MB, 128MB, 256MB, 512MB, 1GB x1
Socket 2 (Rows 2&3) 64MB, 128MB, 256MB, 512MB, 1GB x1
Total System Memory (Max 2GB) =
ASUS A7M266 Qualified DDR DIMM Vendor List
The following lists the memory modules that have been tested and qualified for use
with this motherboard.
Vendor Model Type / Size Manufacturer
Samsung M368L1713BT1-CB0 PC2100 / 128MB Samsung K4H280838B-TCB0
Samsung M368L1713BT1-CA0 PC1600 / 128MB Samsung K4H280838B-TCA0
Samsung M368L3313BT1-CB0 PC2100 / 256MB Samsung K4H280838B-TCB0
Samsung M368L3313BT1-CA0 PC1600 / 256MB Samsung K4H280838B-TCA0
Micron MT8VDDT864AG-265A2 PC2100 / 64MB Micron 46V8M8-75
Micron MT16VDDT1664AG-265A2 PC2100 / 128MB Micron 46V8M8-75
TwinMOS N/A PC2100 / 128MB Hyundai HY5DU28822
HCD N/A PC2100 / 64MB Micron 46V8M8-75
HCD N/A PC2100 / 128MB Micron 46V8M8-75
HCD N/A PC2100 / 256MB Samsung K4H280838B-TCB0