suspect memory?

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Teh g/fs been having trouble with her PC a few month agao. It would randomly reboot. Did tests for temp and power and all seemed fine. Even changed graphocs card and it still happened. So i suspected memory, but too late as it finally died, wouldnt boot. So i swapped out teh meory for another 2 sticks. PC still wouldnt boot. Put a speaker in it and i got 1 long beep 3 short ones on an ASUS AN8 sli board. Looking at thier site it suggest memory error. SO put original memory back in, and got same beep codes. Ok i thought maybe the motherbaord has died and killed teh memory slots.
So i've got a new board, put the memory in... and guess what 1 long beep. This is a dfi lanparty board and 1 long beep again suggests memory.
So have i now got 4 sticks totaly fekked do ya think? I have tried each stick individually and still get same codes on both mobos. I am going to see if we have a spare pc in work that takes ddr and try them in there. If i get no boot i know it must be the sticks and probably the first mobo has killed all of them. Thing is that means getting 4gb of ddr memory again and thats not cheap!

Just my luck!

Oh and 2 of the sticks were GEil DDR400 dual channels, but cant be arsed sending them to Taipei on an RMA under warranty (they supposedly have lifetime warranty) it take too long.

 

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Geil have been reported to have lots of problems with their normal ram but not the black dragon edition which is what I run and I have never had any issues.

Have you ran memtest86 for several passes on each stick individually? sometimes a faulty dimm in a matched set can cause the others to have trouble working.

Some boards require voltage tweaking if you fill up all four slots, try setting the voltage of the ram to what the manufacturer states. I take it they are all matched pairs so that wouldn't be something for you to try. And I would suggest you try that with the DFi they can be a bit picky about things like that.

 

As i cant even get a BIOS screen, cant run memtest. Need working pc to do that, hopefully will have one in work. Have tried each stick on its own and with its matched partner and always get same results. Just find it funny that PC dies, repalce everything bit by bit and still get same results. I've tried cpu in 2 motherboards and same meory, a new graphics card. no HDDs connected and now new mobo. And worse of all, as i thought it was memory, i then went and sold teh spare cpu and graphocs card to raise money for the new mobo!

 

what about the psu?

 

Well that was swapped with another one, but i think that was a suspect one anyway. I could swap it with mine in this pc, but then couldnt use mine if need be! I ahve used a psu tester on it, but that only proves voltages not any issues over time that may have killed it.

 

I have, i've had each stick in seperatley and it still does the same, which is why i'm not sure it is teh memory even though thats what teh beeps indicate. 4 Sticks all of them at different times?

 

My advice to people would be go to the brands websites like Crucial, OCZ or Kingston etc find the memory that is compatible with the motherboard as other brands like Geil memory you bought maybe is not compatible with the motherboard so check that before you buy the memory.

 

Have you tried different memory slots. ie. dimm 1 in slot 1 then 2 then 3 then 4 etc etc.

 

hmmm coem to think of it, nope. I tried each in slot one and pairs in slot 1 and 3, could try slot 2 and 4 but manual says it should be 1 and 3 or 1 on its own.

 

I suggest getting a different brand that is much more trustworthy like Crucial.

 

A8N SLI - that brings back memories... had an issue with my system years ago with one of those... turned out to be the memory controller on the cpu that had failed (not on the board anymore with those chips)... the RAM was a red herring at the time.

So tangentially - try that RAM in a completely different system and run memtest against it overnight, nothing less than 4 runs, some errors don't show up immediately. If that shows it all up as clear then pick yourself up a cheap cpu from fleaBay for a couple of quid (recall buying a 3500+ in that exact situation 3-4 years ago for a fiver) and try that in the orginal board with RAM, you never know, it might work!

Used various GeiL RAM for years with only one stick failed, replaced under warranty 3 years after I bought it by Overclockers honouring the lifetime warranty.

 

Thats the thing, i have tried all four sticks in another motherboard, and get same results. Going to try at work on a known working system thats already built and see, rather than my system that i just replaced mobo in.

I cant remeber if i bought mine from scan or overclockers, thier about all i use for parts.

 

But with the same CPU if I understand it correctly (as you sold the 2nd to buy the motherboard?)?

As mentioned you could try the PSU from your machine. If it works then you can put it back in yours and buy a new one. If it doesn't work..... then it's not the PSU.

Maybe you could try setting the BIOS back to factory default (even if you haven't done anything to it).

 

I did try the 2nd cpu in the original mobo before i sold it. Its why i sold it, thought it wasnt that so could spare that one. Doh!
I will try the PSU tonight, just that i hate stripping teh things out with all those cables, real PITA.

Woulndt think its the BIOS as both boards i've tried wont even show the BIOS startup screens, theres no POST at all being displayed. Yet i know teh monitors are getting a signal as they first show no signal then go blanks as if partial boot happening. If they have no signal they keep showing no signal on screen.

 

OK so far have tested 1 stick in a pc at work and thats prven fine. Will test others but now suspect it may be teh PSU, so will swap that out tonight.

 

All 4 sticks of memory were tested in work, pc booted and ran memory tests with no errors. Got home and swapped out PSU. Still got same result. I'm now wandering if i really did swap out teh cpu before i sold the spare, or just pulled spare cpu from other dead pc..... Now i have no known working cpu to test with! Doh!

 

CPUs very rarely fail but it can happen.

 

Yip - can attest to that, t'was a headache, ended up getting the board and cpu refunded from Dabs at the time (still within warranty) and the proceeds went on a Core 2 system.

GL with the hunting Twizzle, with no posting thought it points in that direction (cpu)

 

Did ya resolve it ?