PC 100 and PC 1 SDRAM Memory

In some cases yes. The memory will sometimes default back to pc100. If it doesn't work update your bios and then it should. One other thing make sure you have decent quality ram bargain basement stuff usually never works.

Unfortunately not all computer systems can handle this technology. The 133MHz modules use memory chips that have a density of 256 megabits per chip. Some older computer systems are only equipped to read up to 128 megabits on the chips. Therefore these systems can only see half of the actual memory capacity. If your motherboard is using a BX, ZX, or 810 chipset you will need a module built with memory chips that have a maximum density of 128 megabits.

if the board is not designed for PC133 memory, then dont use it. the board is not going to be able to handle it. most boards that are not designed for 133 memory will not like memory other than what the system was made for. a BIOS update doesn't always work either.

Normaly all SDRAM boards can handle PC133 it just throttles down to 100Mhz.

If not Upgrade your board....

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