This subject has been done to death in other threads, but to save you doing a search-
1. Coretemp measures the actual temp on the die, so it shows hotter temps than other temperature monitors.
2. If you still get high temperatures using another program, or when looking in the BIOS, the first...
Ironic really. Intel has been on the back foot with their processors for some time, and just when they bring out the C2D chips that really put them back in the lead over AMD, Dell brings out AMD based machines.
Actually, I think it makes Dell look a bit clueless, but that's nothing new.
Sorry, didn't think to take a photo until I got such a dramatic result in the first minute or so of lapping. Prior to lapping a straightedge was clearly touching the IHS only at the edges, but I couldn't estimate exactly how much the gap in the middle was. I can say that a reasonable amount of...
I only lapped it until it was flat, tested with the edge of a razor blade and a bright light. This was pretty much as shown in the photo, only down to the copper at the edges.
When lapping it is very easy to take more off the edges than the center so you end up with a convex IHS rather than a...
I picked these settings up from a post I saw somewhere, but they have worked for my 2 E6400 P5W based machines. This gives 3.2 GHz or a 50% overclock
Everything in the bios is set to auto except the following:
Configure System Freq/Volts
CPU Freq: 400
DRAM Freq: DDR2-800
Performace...
Had a lot of temperature problems with my E6400, I'd reseated the HSF a couple of times and got large variations in temps. Finally pulled the CPU out and had a close look at it, basically a straightedge touched the IHS at the edges but not in the centre.
I lapped it for a short time, and as...
If you are getting high temperatures using coretemp, there is a simple solution.
Stop using coretemp, the temps it reports dont seem to be comparable with other monitoring programs.
I originally ordered the 6600, but it was delayed by a couple of weeks so I bought a 6400 in the interim with the intention of selling it on Ebay once the 6600 arrived.
I was so impressed at being able to overclock the 6400 stably to 3.2 GHz with very little effort I have cancelled the 6600...
8 x 400 is straightforward with a 6400, but getting higher and staying stable is not easy. I have two 6400s running at 3.2 GHz stable 24/7, but have not had any luck beyond that. I got as high as 420 x 8 on the better of the two machines, but it was too flakey for real work, so I have dropped...
If your system is running hot, check that the top of your conroe is flat!
It appears that some core 2 duo chips have concave heat spreaders. I found this out when I took my heatsink off and found only a small spot in the middle of the heat spreader that had made contact with the heatsink due...
My 6400 runs 100% stable at 3.2 GHz on 1.35 Vcore, hasn't needed any more. I have found the limiting factor to be memory and have the VMCH at 1.6 and the Vdimm at 2.1 however.
I think people are assuming that when their systems start to get unstable that they need to give the CPU more volts...
Mazeroth
You are correct that for scientific applications where you can allocate multiple threads or multiple applications to the cores the gains are almost proportional to the number of cores.
I am in a similar situation to you and have put together two identical rigs (E6400, P5W DH) both...
I have two identical E6400 rigs and haven't had any problem overclocking either of them, although I have had different results with the two. Motherboards are ASUS P5W DH.
The stock heatsink is a limitation, when I ordered the parts for my two the supplier only had one zalmann 9500 in stock...
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