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HT Link numbers different in bios and windows

post #1 of 6
Thread Starter 
I have a 1090T in my Asus m4a88t-i (yeah i know about the max power handling) When I set the HT link speed at 200Mhz in the bios and up the multiplier on the CPU once I boot into windows and start up Everest it displays HT link speed at 212mhz. What parameter am I missing in the bios that's causing this increase?
post #2 of 6
Do you mean 2000Mhz and 2120MHz for the HT link? Check your FSB/Reference clock setting and see what value that is. The default value for the HT link should be 2000Mhz and the FSB is 200.
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Going Blue
(22 items)
 
My Minecraft Box
(14 items)
 
 
CPUMotherboardGraphicsRAM
Xeon X5690 EVGA 132-BL-E758 EVGA GTX 970 Crucial Ballistix Tactical 3x8GB 
Hard DriveHard DriveHard DriveHard Drive
Kingston V300 120GB Seagate Sata II 1TB Seagate Sata II 500GB WD Sata II 500GB 
Hard DriveCoolingCoolingCooling
Crucial MX200 500GB Corsair H80i XIGMATEK XAF-F1255 Lian Li EX-36A1 
OSMonitorKeyboardPower
Windows 7 Ultimate SP1 64bit Dell 2009W IBM Model M Seasonic SS-660XP2 
CaseMouseMouse PadAudio
Semi Custom Logitech g400 SteelSeries QcK HD598 
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CyberPower PFC MNPA19-XTR 10gb 
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post #3 of 6
Thread Starter 
Yes sorry, my FSB reference clock is set at 200 but it reads in everest in windows at 212. The CPU clock should be reading dead at 4GHZ with my multi at 20 but its at 4.240 in windows.
post #4 of 6
EVEREST can have an inaccurate ref clock read. Sometimes I get random dips with EVEREST but it is constant in CPU-Z. Use CPU-Z to measure.

Are you trying to overclock on this motherboard?
This motherboard is not rated 125W to begin with - the small size presents a very big VRM design limitation. Though I am sure you know about this limitation, you will have to trust me when I say that overclocking this processor on this board will not be worth it at all. ASUS boards use a throttling method of VRM protection to prevent overheat/overload. You will face this constantly during full load stability tests due to incapable VRM design, so much to the point where you may not see increased performance at all, but REDUCED performance over stock speed or with a slight undervolt to make up for the TDP support.
Edited by xd_1771 - 8/11/11 at 3:39pm
post #5 of 6
Thread Starter 
I am aware of its power handling limitations and I believe Asus is as well. In order to help quell the heat problem the newest revision of the board has a fairly substantial heatsink over the VRM's.
Ive also taken the liberty of adding enzotech copper heatsinks to just about every other FET or voltage regulator on the board.
I understand also that these precautions don't help with the overload aspect but if I can keep the temps down maybe that threshold will raise.

So far i have been prime stable at 3.8GHZ for 8 hours and the VRM heatsink area remains cool to the touch and my load temps are around 56-58C. After 3.8 i get some rounding errors that I was attributing to the clock difference as I upped the chip multiplier.

Im running 8GB of gskill 1600mhz 204pin underclocked to 1333, with the multi at 20 Everest thinks the FSB is at 212 and the RAM starts running at 1410mhz and I get rounding errors.

Sorry for the novella but I figured more info is better than less...
Thanks in advance.
post #6 of 6
Not really necessary to heatsink every voltage regulator on the board, where everything apart from the CPU consumes very little power. The cooling won't end up being the problem solver, as there is likely not enough amperage capability in the ICs to push any 125W processor due to the limited size of the VRM system on the board - even if the VRM system is capable of running fairly cool. The cooling may have addressed heat issue when using 95W TDP CPU but the board is still not made for 125W CPU - as a result, there are none on the CPU support list and the BIOS is not optimized as such. Because the BIOS is not enabled for 125W processors to begin with, problems are to be expected when running. This board is running out of spec, out of support and out of warranty on your setup.... I wouldn't be surprised if the bus clock began to fluctuate upwards out of improper processor support. Because the incapability of the VRM system may not be able to provide a stable voltage feed into the CPU (fluctuations and vDroop can be wild to begin with on even ASUS boards with bigger VRM systems), this may also be causing adverse effect on stability.
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