Asus P2B-LS P2B-LS User Manual - Page 17
System Memory DIMM
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III. INSTALLATION 2. System Memory (DIMM) This motherboard uses only Dual Inline Memory Modules (DIMMs). Sockets are available for 3.3Volt (power level) unbuffered Synchronous Dynamic Random Access Memory (SDRAM). One side (with memory chips) of the DIMM takes up one row on the motherboard. To utilize the chipset's Error Checking and Correction (ECC) feature, you must use a DIMM module with 9 chips per side (standard 8 chips/side + 1 ECC chip) and make the proper settings through "Chipset Features Setup" in IV. BIOS SOFTWARE. Memory speed setup is recommended through SDRAM Configuration under "Chipset Features Setup". IMPORTANT: SDRAMs used must be compatible with the current Intel PC100 SDRAM specification. 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 Socket 4 (Rows 6&7) SDRAM 8, 16, 32, 64, 128, 256MB x1 Total System Memory (Max 1024MB) = ASUS Memory Module Example: III. INSTALLATION System Memory SDRAM DIMM (8 chips, Non-ECC) General DIMM Notes • Use only PC100-compliant DIMMs. This motherboard operates at 100MHz, thus most systems will not even boot if non-compliant modules are used because of the strict timing issues involved under this speed. • Two possible memory chips are supported: SDRAM with and without ECC. • SDRAM chips are generally thinner with higher pin density than traditional EDO (Extended 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 and double-sided DIMMs come in 32, 64, 128, 256MB sizes. ASUS P2B-L/P2B-S/P2B-LS User's Manual 17