- Aug 18, 2013
- 20
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- 10,520
Last year, I built a new system with the following specs:
AMD A8-6600K APU
ASUS F2-A85M/CSM Motherboard
G.Skill F3-14900CL9D-8GBXL RAM kit (2x4GB)
Although the RAM, which was spec'd at 1866, came up at 1600 on the first boot, I had no issue setting it to 1866, and it has been rock solid since it was built.
However, on two different occassions, I've tried using other kits from G.Skill, notably the F3-2133C10Q-16GAB kit, which is a 2133 kit, and F3-1866C9D-16GXM, which is the 16GB kit cousin of the 8GB kit in the system.
The 2133 kit initially failed to post at all, requiring a reset of the RAM timings, (the motherboard has a button for that explicit purpose), and came up at 1600. Attempting to run it any higher than 1600 would result in a failure to post. Thinking the set was bad, (and every single stick individually failed to post above 1600, mind you), I sent it back.
This past week I took delivery of the 2x8GB kit, which is an 1866 kit. Now while this kit posts fine at 1866, both Linux and Windows experience frequent application crashes, and a blend test in Prime95 ends almost immediately in errors. Mixed with the previous 2x4GB kit, both OS's will fail to even boot. The 2x8GB kit will run, without errors at 1333, but not any higher. The 2x4 and 2x8 kits are otherwise identical, same speed, timings, latency, etc.
Now my question: beyond setting the speed, is there anything that I'm missing here, that would cause these problems, or have I just gotten two bum kits in a row?
AMD A8-6600K APU
ASUS F2-A85M/CSM Motherboard
G.Skill F3-14900CL9D-8GBXL RAM kit (2x4GB)
Although the RAM, which was spec'd at 1866, came up at 1600 on the first boot, I had no issue setting it to 1866, and it has been rock solid since it was built.
However, on two different occassions, I've tried using other kits from G.Skill, notably the F3-2133C10Q-16GAB kit, which is a 2133 kit, and F3-1866C9D-16GXM, which is the 16GB kit cousin of the 8GB kit in the system.
The 2133 kit initially failed to post at all, requiring a reset of the RAM timings, (the motherboard has a button for that explicit purpose), and came up at 1600. Attempting to run it any higher than 1600 would result in a failure to post. Thinking the set was bad, (and every single stick individually failed to post above 1600, mind you), I sent it back.
This past week I took delivery of the 2x8GB kit, which is an 1866 kit. Now while this kit posts fine at 1866, both Linux and Windows experience frequent application crashes, and a blend test in Prime95 ends almost immediately in errors. Mixed with the previous 2x4GB kit, both OS's will fail to even boot. The 2x8GB kit will run, without errors at 1333, but not any higher. The 2x4 and 2x8 kits are otherwise identical, same speed, timings, latency, etc.
Now my question: beyond setting the speed, is there anything that I'm missing here, that would cause these problems, or have I just gotten two bum kits in a row?
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