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Upgrading with single-sided RAM

I have a Dell Optiplex GX150 1Ghz with 128MB double-sided SDRAM (133MHZ) installed. I was wanting to install more RAM so I saw a single-sided 128MB SDRAM 133MHZ stick on ebay. I bought it and installed it.

The computer recognized it and upped my memory total to 256MB, but crashed during startup, sometimes displaying a number in Hex that I assume was a memory address, other times just stuck with a blinking cursor in the top left hand corner of the screen. It crashed whether it was the only memory module in the computer (in the first and then the second slot), and whether it was in the first position and the other module was in the second position or vice versa.

My question is, did I get non-functioning RAM or would my system not support single-sided SDRAM?

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Comments
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Try this test.

Install just the new stick. If it crashes then the new stick is not compatible with your system.

Bob

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RE: Try this test

Thanks Bob! When I install just the new stick it crashes, but I was wondering if the reason was that I got a non-functioning stick, or if for some reason my PC wasn't able to handle single-sided memory.

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That's the test.... The new stick is a dud.

If the new stick on its own doesn't function, it's incompatible with your system and not an issue of sides or other such things. Cut your losses now (time and other) and try to obtain a new stick.

Bob

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