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I'm using 4GB of F3-12800CL8D in my system (specs in my signature), and I've been experiencing serious instability with my Radeon 5870 for months. After going through one RMA with XFX, unfortunately, I think I've narrowed the problems down to my RAM. When my multiplier is set for the RAM to run at 1600, my card experiences display driver crashes every 30 minutes or so. When I drop my multiplier by one and run my RAM at a slower speed, my card is 100% stable, with no crashes at all.
I should have experimented with the RAM sooner, because I discovered correlations between the videocard and the RAM performance way back in December. When I first installed the RAM, my mobo chose conservative timings, and my display driver crashed every 3-5 minutes; when I set my RAM to SPD (8-8-8-24 @ 1600), those crashes became much less frequent (more like every 20-30 minutes). I was confused by the fact that this RAM has passed memtest from the beginning, however, so I assumed there was nothing wrong with it.
I've tried overvolting the RAM and overvolting the PCH, and neither solved the continued crashes with my Radeon 5870. The only total solution has been lowering the multiplier on the RAM.
Since I paid for 8-8-8-24 @ 1600, I'm hoping that you could offer some help with other settings that I can change or experiment with, in order to get the same video stability at 1600 that I already get at the lower multiplier. Any ideas?
I should have experimented with the RAM sooner, because I discovered correlations between the videocard and the RAM performance way back in December. When I first installed the RAM, my mobo chose conservative timings, and my display driver crashed every 3-5 minutes; when I set my RAM to SPD (8-8-8-24 @ 1600), those crashes became much less frequent (more like every 20-30 minutes). I was confused by the fact that this RAM has passed memtest from the beginning, however, so I assumed there was nothing wrong with it.
I've tried overvolting the RAM and overvolting the PCH, and neither solved the continued crashes with my Radeon 5870. The only total solution has been lowering the multiplier on the RAM.
Since I paid for 8-8-8-24 @ 1600, I'm hoping that you could offer some help with other settings that I can change or experiment with, in order to get the same video stability at 1600 that I already get at the lower multiplier. Any ideas?
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