johnhl97031
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Sunday, November 07, 2010 11:59 PM
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My problem is that the BIOS won't let me change the multiplier up or down. I have no problems changing any other setting, but when I select multiplier, I've tried enter, new numbers, anything. But it won't change. I'm guessing I'm missing something simple. Any suggestions?
I'm already OC at 167x22, but wanted to try a FB of 200 with a lower multiplier.
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KenMcC
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Re:Problems changing multiplier on P55 MB w/k875
Monday, November 08, 2010 1:20 PM
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Let us know what your BIOS number is. You can find your BIOS ver. by going into BIOS under Standard (1st selection). Near the top will be a series of numbers which will end in (something like) A62, or A70, etc. The Axx is you BIOS number. You need to be A71 or Higher. I am running with the A72. The BIOS can be found under www.evga.com and support
KenMcC Z170 Classy K; i7-6700 CPU, Corsair CMK16GX4M2A2400C14 Seasonic SSR-360GP 360W; Samsung 950 Pro M.2 256 GB Samsung 850 Evo 500 GB SATA Samsung 850 Evo 256 GB SATA Samsung SSD 840 Series 250 GB SATA Samsung 860 EVO 1 TB SATA Windows 10 x64 Prof.
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johnhl97031
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Re:Problems changing multiplier on P55 MB w/k875
Monday, November 08, 2010 10:53 PM
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The BIOS is 08.00.16 with a build date of 5/6/10. The strange thing is that the computer came with a preset overclock of 4000 (200 x 20 multiplier). It won't work with my system because it was set for 4 Gigs memory and I have 8. BUT when I load that build, I can't change the multiplier from 20. I keep thinking it's something simple.
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Squall_Rinoa86
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Re:Problems changing multiplier on P55 MB w/k875
Tuesday, November 09, 2010 6:35 AM
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Have you tried maybe clearing CMOS perhaps?
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KenMcC
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Re:Problems changing multiplier on P55 MB w/k875
Tuesday, November 09, 2010 7:39 PM
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Please fFollow my note above 08.00.16 is Not a BIOS number. Also, what is the motherboard number E657, E655?????
KenMcC Z170 Classy K; i7-6700 CPU, Corsair CMK16GX4M2A2400C14 Seasonic SSR-360GP 360W; Samsung 950 Pro M.2 256 GB Samsung 850 Evo 500 GB SATA Samsung 850 Evo 256 GB SATA Samsung SSD 840 Series 250 GB SATA Samsung 860 EVO 1 TB SATA Windows 10 x64 Prof.
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dozer3000
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Re:Problems changing multiplier on P55 MB w/k875
Tuesday, November 09, 2010 10:15 PM
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your bios is not up to date.
Please update to A72 from 09/23/10.
After that, you should be able to change the multiplier..
and btw. it's better to clock over multi AND blck, when using the 875k.
160x27 or something like that..
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KenMcC
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Re:Problems changing multiplier on P55 MB w/k875
Tuesday, November 09, 2010 11:28 PM
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dozer3000 is correct the date is 9/23/10. BTW my BIOS located as I said above is "1E657A72" with the 9/23/10 date and it says 08.00.16 so I have some idea what that 08xxxx is about. I have a E657 mobo (P55 FTW) and the switch is in position 1. I suspect the 08.00.16 is the AMI version code and the "1E657A72" is the EVGA specific version adapted for each motherboard with that board's features.
KenMcC Z170 Classy K; i7-6700 CPU, Corsair CMK16GX4M2A2400C14 Seasonic SSR-360GP 360W; Samsung 950 Pro M.2 256 GB Samsung 850 Evo 500 GB SATA Samsung 850 Evo 256 GB SATA Samsung SSD 840 Series 250 GB SATA Samsung 860 EVO 1 TB SATA Windows 10 x64 Prof.
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thader
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Re:Problems changing multiplier on P55 MB w/k875
Sunday, November 14, 2010 12:25 AM
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I increase the CPU multiplier in the BIOS to no avail. In the BIOS and the post it shows the changes. Run E-LEET TUNING UTILITY in windows and it is never higher than 22. I am running an Intel i7 875K on an EVGA P55 Classified 200 board. Are the restrictions in the board that is causing this problem? I have upgraded the BIOS to A72. Can any one help…
Thader OS: Windows 7 x64 Prof. MOBO: EVGA 160-LF-E659-KR Classified 200 Processor: Intel i7 875K Case: Corsair Obsidian 800D Cooling: Corsair H70 PSU: Corsair HX CMPSU-1000HX 1000W Memory: Corsair Dominator 4GB Video: EVGA 480 GTX Optical: Sony Optiarc
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e-money
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Re:Problems changing multiplier on P55 MB w/k875
Sunday, November 14, 2010 2:32 PM
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on the k chips turbo mode and speedstep must be enabled for the multi change to take affect in windows also on my k chip if i turned on turbo and speedstep than upped my bclck it would turn turbo and speedstep off so I found it best to set your bclk than your multi than go and make sure speedstep and turbo are still enabled if not enable them save and exit and you should be set
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dozer3000
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Re:Problems changing multiplier on P55 MB w/k875
Sunday, November 14, 2010 2:50 PM
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e-money is right...
it should looking like this:
Speedstep = enabled
TurboMode = enabled
Core Ratio = set to 0/0/0/0
C1E = disabled (if not, the vcore is bumping to a dangerous value)
C-States = enabled / or disabled (makes no real difference)
K-BOOST = disabled
Multi = f.E. 30
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thader
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Re:Problems changing multiplier on P55 MB w/k875
Sunday, November 14, 2010 7:09 PM
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dozer3000
e-money is right...
it should looking like this:
Speedstep = enabled
TurboMode = enabled
Core Ratio = set to 0/0/0/0
C1E = disabled (if not, the vcore is bumping to a dangerous value)
C-States = enabled / or disabled (makes no real difference)
K-BOOST = disabled
Multi = f.E. 30
Did what e-money suggested and dozer3000's settings and everything works as advertised. Can't thank the both of you enough.. thader
Thader OS: Windows 7 x64 Prof. MOBO: EVGA 160-LF-E659-KR Classified 200 Processor: Intel i7 875K Case: Corsair Obsidian 800D Cooling: Corsair H70 PSU: Corsair HX CMPSU-1000HX 1000W Memory: Corsair Dominator 4GB Video: EVGA 480 GTX Optical: Sony Optiarc
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dozer3000
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Re:Problems changing multiplier on P55 MB w/k875
Monday, November 15, 2010 9:14 AM
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.. no problem.
(btw. you can mark this posts as "helpfull") ;)
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mru55
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Re:Problems changing multiplier on P55 MB w/k875
Monday, November 15, 2010 2:08 PM
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dozer3000: it is much more useful to state btw. you can mark report this posts as "helpfull" 
Just because you're paranoid, don't mean that people aren't out to get you! P55FTW200 retired // GTX460 FTW back-up Z87 Classified & GTX 960 SSC in my main rig
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dgober
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Re:Problems changing multiplier on P55 MB w/k875
Tuesday, November 16, 2010 8:16 PM
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Dozer,
Could you post your bios template, it would help me reach the 4+ range that I having trouble getting to....
P55 SLI @ 4.0 875k 8 GB RipJaws H 70 push pull EVGA 590 Antec 1200 case
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