[doaru2it]

i am using pc133 sdram dimms stock 128mb x 2 works great when i go to 256x2 only 256mb shows up i tried 256mb + 128mb & that works ok system info gives max memory @ 512mb need any info about this

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what brand of memory is that 256? I've seen the cheaper brands not even work. Take it back and get Kingston or Crucial.....

[macten]

what brand of memory is that 256? I've seen the cheaper brands not even work. Take it back and get Kingston or Crucial.....

[doaru2it]

i am using kingston both sticks are good need to dig deeper

[macten]

both sticks are 'good' but they don't work together?

[doaru2it]

two 128x2 work two 256mb x2 don"t work one 256 & one 128 work what about the bios -that i know nothing about?

[macten]

what brand/make/modle pc is this? do you know the make of the motherboard? are you using on-board video?

[macten]

with both 256 in, does the bios screen (on bootup) show 256 or 512?

download Everest and run it. How much memory does it show?

http://www.freedownl...st-utility.html