Hardware Setup
19
2-5 Main Memory Configuration
The DRAM memory system consists of three banks and the memory size ranges from
32~512 MBytes. It does not matter which bank you want to install first.
DRAM Specifications
DIMM type : 3.3V, unbuffered, registered, 64/72-bit SDRAM with SPD*
Module size: Single/double-side 32/64/128/256/512 MBytes
Parity : Either parity or non-parity
This mainboard supports up to 2 double sided or 3 single sided DIMMs at
133MHz system memory bus.
This mainboard supports 3.3v, unbuffered, 4-clock, SDRAM DIMM only.
Buffered, 5V, or 2-clock SDRAM DIMMs should not be used.
Due to loading anomalies, using DIMM with an 'n x 4' DRAM base on this
mainboard is not recommended. For example, a DIMM that uses sixteen
16Mb x 4 devices should not be used.
SPD (Serial Presence Detect)
This is an EPROM that contains speed and design information about the memory
module. The mainboard queries the module and makes adjustments to system
operation based on what it finds.
FSB Freq. (MHz) System Memory Bus Freq. (MHz)
66 100
100 100
133 100
133 133
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