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Tomcat i875PR S5102-P
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Supported System Bus Frequency and Memory Speed Combinations
CPU FSB
800MHz
533MHz
400MHz
* When using 800MHz CPU FSB, PC2700 DDR DIMMS may run only at 320MHz (not 333MHz) due
to chipset limitations.
Note:
While using ECC type memory, it will take longer time to post. Due to the manner in which it
counts the memory and has to write zero's to every bit of the stick before progressing through
the POST.
2.8 – Memory Installation Procedure
When installing memory modules, make sure the modules align properly with the memory
socket. There should be keys (small indents) on your memory modules that fit according to the
keys in the memory socket. DDR modules and sockets have only one key, which is slightly
near the center of the module/socket. The method of installing memory modules is detailed in
the following diagrams.
Once the memory modules are firmly seated in the socket, two clamps on either side will close
and secure the module into the socket.
manually.
To remove the memory module, simply push the clamps outwards until the memory module
pops up. Then simply remove the module.
TIP: When installing memory, a module may require a considerable amount of force to seat
properly, although this is very rare. To avoid bending and damaging your motherboard, place
it on its anti-static bag and onto a flat surface, and then proceed with memory installation.
Note: You MUST unplug the power connector to the motherboard before performing system
hardware changes, to avoid damaging the board or expansion device
DDR DIMM Type
PC3200, PC2700*, PC2100
PC2700, PC2100
PC2100
Sometimes you may need to close the clamps
2-14
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Chapter 2: Board Installation
Memory Frequency
400, 333*, 266 MHz
333, 266 MHz
266 MHz
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