Updating RAM question.

[69Z28]

I think you may have encountered, the PC100/133 "high-density, low-density issue".  I purchased PC133-256MB, 1st PIII reported it as 128MB, 3 others wouldn't see it all.

In general, if the 256MB has chips only on 1 side, it's most likely high density, chips on both side is low density.  The PIII I tried the 256MB in and it only reported it as "half", also has a 256MB module with chips on both sides and it works perfectly.  So, it's not only an issue of how much memory is supported, but the type of chips that are soldered to the module.

The 128s I have are 2 sided.

[Computer_Commando]

With one 128 stick in memory reads 98304K and when I replaced it with the other 128 stick, memory test also read 98304K.


With the original 4x64 in by itself, memory reads 98304K, and with the 32MB 4 clock stick in by itself memory reads 98304K.
Can the 128 sticks be bad? or just not compatible like you said? If not compatible how do I find out what is compatible?

Is 32MB being reserved for video memory in the BIOS?

[69Z28]

Is 32MB being reserved for video memory in the BIOS?

What would I look for to know?