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Memory upgrade problems

by tdp240 / December 15, 2005 9:43 AM PST

I'm having problems upgrading my laptop's RAM from 128MB to 512MB. I'll describe the problem below, but first here's my system:

Dell Inspiron 5000e
Win2k Professional - SP4 recommended two 256MB 144 pin SODIMM module with the following specifications:

SDRAM, PC133 ? CL=2 ? Non-parity ? 133MHz ? 3.3V ? 32Meg x 64

I opted for a cheaper alternative to Crucial's module and bought two sticks on eBay with the following specifications:

Micron 256 mb, 133 mhz, 144 pin Laptop memory, MT8LSDT3264HG-13ED2


However, when I attempted to replace my two 64MB sticks, my laptop wouldn't boot. It would start to power up, but just a few seconds into it, it would quit and restart.

I then tried replacing just one of the 64MB sticks with a 256MB. When the 256MB was in slot 1 and the 64MB was in slot 2, my computer booted enough for me to get into the BIOS. The BIOS recognized the total memory of 320MB, but Windows wouldn't boot.

When I switched the 64MB and the 256MB into the opposite slots, it reverted back to the original problem of restarting itself just seconds after powering up.

Finally, I put both 64MB sticks back in and the laptop booted normally.

The only difference I noticed between the 64MB sticks and the 256MB sticks was that the 64MB sticks were PC100 and not PC133 like the ones Crucial recommended. Could this be the problem?

Any other ideas as to what might be wrong?

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A little more info...
by tdp240 / December 15, 2005 10:32 AM PST

This comes directly from the user manual supplied with the laptop:

Memory Specifications -

Architecture: SDRAM
Memory capacities: 32, 64, 128, 192, and 256 MB
Minimum memory: 64 MB (non-ECC)
Maximum memory: 512 MB (non-ECC)
Frequency: 100 MHz

Hopefully this info helps with my question in the first post.

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Any thoughts on this?
by tdp240 / December 16, 2005 7:40 AM PST

My IT guy at work thought it was just bad RAM.

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