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256 recognized as 128

Trish's Escape from Hardware Hell Help Board » Hardware » Memory Related » 256 recognized as 128 « Previous Next »

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Posted on Sunday, December 1, 2002 - 3:24 am:   

System is a k6-2 350, P5-A rev 1.04 mb, gforce2 gts 32mb graphics, no sound, 14gb ide hd, 56x ide cdrom drive.

Running the CPU at 3.5x multiplier with 100mhz fsb.

I just bought a new 256mb PC100 SDRAM DIMM. I installed this and the system boots fine but considers the memory to be a 128 MB DIMM. I have tried it both with and without the existing 64MB DIMM and in all of the different memory slots. No effect, the system still sees it as a 128MB DIMM.

When inserted into my athlon 1.2 system (which can use either DDR or the older PC100 SDRAM) it is recognized correctly as a 256mb DIMM.

The system is completely stable and runs fine using it as a 128MB DIMM.

The motherboard manual says that the board takes up to 256mb DIMMS in any slot. I have upgraded the bios several times since I bought the motherboard. I have also tried rolling back the bios and using the most recent beta, neither has helped.

Any ideas?
Posted on Sunday, December 1, 2002 - 8:48 pm:   

The P5A has problems with High Density memory.
Posted on Monday, December 2, 2002 - 8:32 pm:   

I have seen this problem before. I just exchanged the board for another brand of memory and it solved the problem.

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