Strange memory issue

darthjoe

Member
Dec 12, 2007
25
0
0
I've got a strange problem maybe someone can shed some light on.

Built my system in April 2007.

A couple of weeks ago, I noticed my game framerates plunging. After swapping out video cards, it was discovered that it was either a ram issue or a heat issue. I originally had 2gb of Transcend pc6400 ram in the system. Replaced it with a buddy's 2gb spare set of G-skill pc6400 ram. Closed her back up and tested. Framerate issues disappeared until the next day. Opened the case up and ran a day with the side vented out. Everything ran great. I put the original Transcend ram back in, along with the G-skill, for 4Gb (1gb x 4). The problems returned immediately.

So, I was thinking along with the heat issue, the Transcend ram was giving out. I bought a new cpu and case fan and 4gb (2gb x 2) of Corsair pc6400 ram. I put the new ram in last night, and the problem immediately returned again.

Results:

2gb (2 x 1gb) Transcend ram --> Framerate problems.
2gb (2 x 1gb) Gskill ram --> Currently running fine.
4gb (4 x 1gb) Transcend and Gskill ram --> Framerate problems
4gb (2 x 2gb) Corsair ram (brand new) --> Framerate problems

I still have the heat issue, but I'm putting new fans in, so that isn't a concern right now. I'm stumped as to why different ram, in different configurations, is causing this problem. Anybody have any ideas? Thanks.

If it helps, I'm running a C2D 4300 overclocked to 3.0ghz on a Gigabyte 965 DS3 board.
 

DSF

Diamond Member
Oct 6, 2007
4,902
0
71
What are the manufacturer recommended voltages on the RAM you put in (especially the Corsair which was brand new and apparently didn't work), and what do you have them set at in the BIOS? What FSB are you running to get your 4300 to 3GHz?

What programs are you using to monitor your temps? What case are you using, what PSU, what heatsink?

There are a lot of variable here, the more detail you can give about your setup the better.
 

darthjoe

Member
Dec 12, 2007
25
0
0
Recommended 1.9v on the Corsair. Gskillis also running at 1.9v. Bios temp is set to this.

FSB is running at 334 x 9. 2.0x multiplier on the ram, so it's actually running underclocked.

Case: COOLER MASTER Centurion 534 RC-534-KKN2-GP
PSU: CORSAIR CMPSU-520HX 520W ATX12V
Heatsink: Zalman 9500, soon to be replaced with ARCTIC COOLING Freezer 7
MOBO: GIGABYTE GA-965P-DS3
Side and Rear 120mm fans, adding a 120mm front fan tomorrow
CoreTemp and CPU-Z
 
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