Memory address line failure

Question

Evening all. I upgraded my memory over a year ago from 2 x 256 to 4 x 256 modules. They have been working perfectly until this evening when I shut down, started the computer up again five minutes later and received the message:   Memory address line failure at ibe0c084 read 1D1F1F1F expecting 1F1F1F1F. The memory is now down to 488 mb instead of 1024.   After a search and google it looked like a memory module failure. I removed the two newer modules and on restart the memory went up to 512 mb. Shut down again and replaced the old ones with the two new ones. On restart the memory stayed at 512 mb. If all modules are working, I dont think that this can be faulty RAM can it? Any ideas are very welcome!   Cheers

ejn63 · Answer

You should run the Dell diagnostics on the RAM. If one of the modules produces an error, move the modules and see if the error follows the module. If it doesn't, it's more likely you have a bad memory socket.

RoHe · Answer

Since each pair correctly reports 512K when only 2 are installed, it sounds like one of the other 2 sockets failed, or a RAM module wasn't making good contact. Run the tests ejn63 suggested with all 4 installed. I'm betting you'll get an error message on the same socket regardless of which module is installed there. Unless of course, reinstalling the modules cleaned up a bad contact and the problem disappears.

Ron

Whitelines_uk · Answer

After a night of being turned off, the PC has decided to use all 4 this morning.

Must have been a bad connection as I ran the diagnostics anyway and nothing failed.

Thanks for the feedback and have a good weekend.

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