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Memory trouble

By BHunkus ·
I recently installed a new motherboard in a home pc. I also bought a 128 MB memory DIMM to put on the new board. The board supports SDRAM DIMMs(66/100MHz). The memory I purchased was Apacer PC133 128MB DIMM 16x64. When I put the new chip on the board, the system will not boot up, just continuous beeps. When I add the chip in addition to the old chip (32MB), the boot process finds and adds up the memory correctly, but when Windows 98 starts to load, I get an error message saying something like "Windows is not configured properly, please enter setup..." and then it shuts down when I ok. When I put the old chip in by itself, everything works fine, (other than Windows not shutting down properly, but that's another story). Do I have to completely reload Windows and everything on the pc in order to use this new memory??? Or did I not do something right when I installed the motherboard? Any help would be greatly appreciated as the place I bought the hardware won't answer me.

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Memory trouble

by mindcrazy In reply to Memory trouble

The memory you are trying to install is 133mhz and your board only supports 66/100 mhz. The speed needs to match your existing 32mb if you are going to keep it on the board. The error message is probrably due to a conflict with the existing Ram. Youmay be able to tweak the bios and get the 128 mb to boot, but my advice would be buy different Ram that is supported by your board.

Good Luck

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Memory trouble

by BHunkus In reply to Memory trouble

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by BuffaloDan In reply to Memory trouble

In theory, the pc100 system bus should be able to properly access your pc133 ram at the lower speed. In practice, this is not always the case. (As you are now seeing).

Not all memory is created equal, and not all memory controllers are created equal.

You got a memory mismatch happening here, and even though you "SHOULD" be able to use this ram stick, I think it's only going to give you headaches.

I would search out a pc100 ram stick for this machine.

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Memory trouble

by BHunkus In reply to Memory trouble

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by m1wheeler In reply to Memory trouble

so are you running a processor that requires a 133mhz front side bus or did you just buy it cause it was cheap? you should have left the 32 in there too. more ram never hurts. unless of course y ou had a specific reason for using the 128 pc133 anyhow i have never heard of that company that made y our mobo. i would suggest a soyo or asus or even abit. try getting into windows safe mode by pressing F8 before win98 starts to load choose safe mode. if you get in fine and you check how much ram you have thru control panel system and it is right your okay and something else is wrong. if not the ram could be bad. and no you do not have to reload windows for ram.

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by BHunkus In reply to Memory trouble

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by dmiles In reply to Memory trouble

I agree with ans.1,if the motherboard is not configured to with a 133 FSB,the memory will not work correctly
Windows not configured correctly is the first error message that your system is not operating with the 133 properly.
It will be to your benefit to try and get the 100m memory to run on the 66/100 front side bus,it will be more compatible with your system.

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by BHunkus In reply to Memory trouble

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by vertex In reply to Memory trouble

I cannot agree with Ans.1 & 4 100%. I have a PC133 SDRAM running on my 100 Mhz system with no problem at all. Normally you can go down but not up. It's just like Words 95 and 97. You can open any document from Word 95 on a Word 97 but you can do vice versa.

My guess would be the SDRAM configuration, i.e. PC133 on DIMM 1 etc..., other than that you might have a compatibility issue regarding SDRAM and mobo, that the reason I cannot agree with Ans 1 & 4 because maybe they are5% correct.

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by BHunkus In reply to Memory trouble

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