memory problems?

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Joined
12 Feb 2006
Posts
33
Hi,

I've just bought and set up the following:

Intel E5200
Abit IP35 Pro XE (BIOS is as shipped, not sure of version)
OCZ 2x2Gb Gold PC2-6400 (OCZ2G8002G)
ATI 4870 1Gb

powering it is a Hyper 580w power supply.

BIOS is set to auto for CPU and volages; the RAM is set by SPD.

Out of the box it POST'd; I've installed XP and Vista 64bit and then ran PCMark05 and 3DMark06 in XP and PCMark and 3DMark Vantage in Vista with no problems at all. I noticed that CPU-Z was showing the memory timings at 6-6-6-18 so I thought I'd try to tighten them to 5-5-5-18 (advertised on OC) initially and then try 5-5-5-15 (seen somewhere else) though I'm not too bothered about that as I was under the impression that tight timings aren't that important for Core 2 CPU's.

I booted the PC with the standard settings into Memtest 3.5 and within say 10 to 15 secs my PC just resets. :eek:

I thought that maybe I needed to run them @ 2.1v so bumped that up and did Memtest again with the same result. :confused:

I put the DDR2 voltage back to auto and then took one DIMM out of slot 3 so only slot 1 was used. Memtest ran OK until I shut down after a couple of mins (I thought that was ok as it didn't reset straight away). I then took that DIMM out and put the other one back in slot 1 and again it was ok. :confused:

I repeated the same tests with the DIMMS in slot 3 and again seemed ok. I put both DIMMS back in slot 2 and 4 and the reset problem happened again!! :(

Any ideas?

Cheers :)

Zedster
 
cheers for the reply, so you're saying that the mobo and RAM combo when in dual channel 4Gb will not be memtest stable but will be ok if I put another 2Gb DIMM in to bring it up to 6Gb it will be? :confused:

When I'm home after work I'll put the two sticks in slot 1 and 2 so they're both in but running in single channel to see if that works.
 
possible success

ok I flashed my BIOS to the latest version, 11, and still had no joy so as another test in dual channel mode (slot 2&4) I decided to run the older version of memtest on the CD, 3.4.

3.4 ran fine for around 15 mins!!!! :D

as another test I ran the experimental 3.5 SMP and again that seemed to run fine. :)

I then adjusted the timings to 5-5-5-15 with the voltage still as auto and again 3.5 SMP ran fine :D

I'm hoping this is just an issue with the standard Memtest 3.5 and my setup :confused::confused::confused:
 
definatly think it's an issue with the memtest version. Tried memtest86+ 2.11 and it ran ok @ 5-5-5-15 over night on auto voltages. happy now :D
 
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