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Asus P5K Premium with Xeon E5472 and 771 to 775 adapter sticker??
Bob F wrote:
........ Otherwise, you may have to consider locating a Windows based overclocker tool. Such tools, work with particular clock generators, and it's the luck of the draw as to whether your particular motherboard would work. I think I got lucky once, and managed to find a tool that would overclock one of my older boards. It bumps the FSB a megahertz at a time, and it would take 30 seconds or so to get to the "target" frequency I specified while sitting in Windows. And 272MHz is a weird value. Not a canonical value. I wonder where that is coming from ? Interestingly, that is the same as the Q6600 that I had in it previously, and that is back in the board working great now. I can't imagine any way that value could have stuck through the processor change/bios update/cmos reset/bios to default sequence. I haven't gotten as far as windows on the IP35 Pro yet, so a windows version of CPUID is out on that PC. I've basically just been trying to get the new processor to run memtest at a reasonable speed. I does run it at the 272. although the last test I left it on had 10 or so errors, then crashed. Interestingly, the errors were complete bit inversions. One thing that really has me wondering is why I cannot change the E5472 speed either up or down. This probably is associated with the double boot, which always sets it to 272. No idea why that processor makes it always double boot. Is it possible that the bios is detecting a problem and restoring the settings to the previous fully working settings of the previous processor, even after resetting the bios? But then, why can't I change the speed slightly, even down, from where it does work? If it resets to the processor default, and doesn't like that, it resets to the previous working settings? I'd be really impressed if it was that smart, but then again, it could be dangerous with some processor swaps. Maybe I'll try putting the E5472 in after running the Q6600 at 300 instead of 272, and see what happens. Interesting. I tested Q6600 on this board for awhile with a 320MHz clock got 2880MHz processor speed. I then shut it down, swapped in the E5472, reset CMOS, and booted it to MemTest86+ V5.1. (My previous tests were on 4.1) The E5472 is now running at a clock of 320MHz, showing a speed of 2400 MHz. So it is remembering the clock settings of the previous working processor. I wonder if it is remembering the voltage and other settings of the Q6600 also. ESCing from Memtest86+, it does soft boot without the double boot , and going into the BIOS, I see the 320 MHz clock, 7.5 multiplier in the active "User Defined" settings. The CPU core voltage is shown as 1.2250V and CPU VTT is 1.10V, MCH 1.25V voltage is Auto, ICH 1.05 is 1.05, and ICHIO 1.5V is 1.5V. CPU temp is 47C, System temp 30C, and PWM 38C. It does seem to be running Memtest86+ just fine, with no errors. Memtest86+ shows the RAM running at 480 MHz (DDR2-960) - BCLK: 320m timings 5-5-5-18 @ 128bit mode. The Bios shows DRAM speed as "Default (DDR2-768)" Looking at the double boot in detail: Powering the board up with the E5472 after powering down, and pushing the start button, it boots, displaying the numbers 83, several quickly I can't catch, then 90 and 99, then powers down and re-boots. The on board display then displays 84,83,84,83,84,82, then hangs there, with the green on board LED flickering off every half minute or so. Powering down and back up and pushing the start button, It then starts up correctly, but at the same settings each time. Number sequences are abbreviated - some are too fast to catch. Changing the speed from 320 to 300 in the BIOS and saving the change results in the standard reboot, but letting it boot to MemTest86+ shows the speed has not changed from 320. Changing the speed |
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