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gilbey666
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Memory Compatability/Configuration error on Dell XPS420

I have a Dell XPS420 with the original memory fitted, (Win 7 Pro 64)

2 off 1GB IRx8 PC2-5300u555-12-zz

I tried fitting two additional modules from an unused Dell Dimension 8400

2 off 1GB IRx8 PC2 4200u-444-12-zz
          DDR2 533 CL4

Would not boot giving reason as Memory detected but Incompatible or Unconfigured

Grateful if anyone could let me know if memory is incompatible or if I need to tweak something.

Thanks
DesktopsHardwareDell

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gilbey666

8/22/2022 - Mon
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IanTh

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gilbey666

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Thanks for your trouble, didn't work with the 4200u and could only find one set of additional memory that was compatible.
Your help has saved me hundreds of hours of internet surfing.
fblack61