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Instaling SDRAM in MOBO with edo and ...

Trish's Escape from Hardware Hell Help Board » Hardware » Motherboard / CPU Related » Instaling SDRAM in MOBO with edo and sd ram slots « Previous Next »

Author Message
Rob (Robwalk)
Posted on Saturday, December 1, 2001 - 11:48 pm:   

I have a Pentium 166 computer that has 4 edo ram slots and 1 sdram slot and it currently has 4 X 8MB sticks of edo ram installed.

I have purchased 64MB stick of SDRAM and decided to remove the edo ram and install the single stick of sdram to increase memory and performance. The problem is that the MOBO only recognises 16MB. Even if I keep the edo ram installed and add the sd stick the total memory only increases by 16MB.
Is there a bios setting to eneble the entire 64MB to be accepted or is there a 16MB limit on older boards.
Thanks in advance.
Posted on Sunday, December 2, 2001 - 9:12 pm:   

Hi Rob, I ran into a problem like this today where the motherboard didn't like high density memory, even tho the board had all DIMM slots and no SIMMS. You may have to use double sided low density PC66 SDRAM.
Adam Low
Posted on Monday, December 3, 2001 - 5:10 pm:   

Just a sidenote to that. I have just updated my roommate's computer that is a Socket 7 P 233 computer. The manual stipulates that it would work in conjunction with a SDRam, such that you can have all 4 EDOs and 1 SDRam working. However, there is a catch. The SDRam has to be 5V tolerant, or you risk burning it up.

I tried one that is 3.3V unbuffered, and the 64MB SDRam only came out as a 32MB. I do not know where to get any SDRam that is 5V tolerant, nor do I think it is worth the trouble at all.

With the lowered prices of computer parts, getting a new SDRam Mobo with a new CPU might just be the answer.

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