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Overclocking my 1090T on my CHIV Formula Board - Page 2

post #11 of 14
Thread Starter 
Quote:
Originally Posted by piranhamoose View Post
going straight to 4ghz/3ghz oc from scratch will be frustrating. i would recommend ocing the cpu first and getting that stable, then start bumping up the cpu/nb. Otherwise, you'll have a biznitch of a time figuring out what's causing instability.

main reason your pc wont boot is that there's not enough juice for your current setting of 4ghz/3ghz cpu nb. although every chip is different, i bet that if you set your vcore to 1.45v and cpu/nb to 1.4v, the pc will boot.

also, what are your goals for this oc? is it a 24/7 oc or just benchmarking? if your going for a 24/7oc, i suggest changing voltages via offset so you can still use C&Q and C1E once you get your final settings. personally, i dont need my pc running at 4ghz 24/7.

and keep it simple, keep your fsb at 250, this will give you an even value for cpu/nb and ht. 3000mhz and 2000mhz so as not to confuse you.
my main goal is for 24/7 gaming. so 4ghz will be nice but i dont know if my current cooler will handle it (H50 with push pull).
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post #12 of 14
I think will handle it(even if I dont like it). I hit 4100+ with Megahalem(1 fan). Give me your accept for MSN
Edited by IOSEFINI - 3/16/11 at 9:00am
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post #13 of 14
the thing about oc'ing with multiplier, although it is the easiest way to oc, on this board C&Q auto disables at x18.5 multi and if you manually set vcore and cpu/nb voltage. so if you want to still be able to use C&Q and C1E, dont go past x18 multi and set vcore and cpu/nb voltages via offset.

and, if you use 250 fsb, you'll find that ram timings can still be set at stock values, ie 1066, 1333, 1600, etc, and you can manually set timing at stock values with stock voltage.

so if your goal is a 24/7 oc with c&q and c1e enabled, best way to start, in my opinion is:

-fsb 250 x16
-use offset vcore setting starting at 0.16 with LLC full calibration
-cpu/nb 2000mhz (default voltage and AUTO LLC)
-ht 2000mhz (default voltage)
-manually set ram stock speed/timings/voltage (1600mhz 9-9-9-24 @ 1.75v)
-C&Q, C1E, Turbo Core, both spread spectrum DISABLED (keep turbo core and spread spectrums \\
disabled for your final setting at 24/7 oc.
-reboot and run 3dmark
-if it finishes 3dmark, start running Prime95 default blend. if it reboots during 3dmark, bump up
vcore 0.01
-if Prime95 crashes anytime before it passes all iterations (approx 11hrs), bump up vcore in offset
setting in increments of 0.01 (at this point the only variable that would crash prime is vcore or
temps)
-keep bumping up vcore until you pass all iterations of Prime95 blend. Then start upping cpu/nb
-Each time pc crashes, reset cmos via reset button on the bottom of the 2 top usb ports in the
back and do settings again

Have fun
Edited by piranhamoose - 3/16/11 at 10:00am
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post #14 of 14
Thread Starter 
Quote:
Originally Posted by piranhamoose View Post
the thing about oc'ing with multiplier, although it is the easiest way to oc, on this board C&Q auto disables at x18.5 multi and if you manually set vcore and cpu/nb voltage. so if you want to still be able to use C&Q and C1E, dont go past x18 multi and set vcore and cpu/nb voltages via offset.

and, if you use 250 fsb, you'll find that ram timings can still be set at stock values, ie 1066, 1333, 1600, etc, and you can manually set timing at stock values with stock voltage.

so if your goal is a 24/7 oc with c&q and c1e enabled, best way to start, in my opinion is:

-fsb 250 x16
-use offset vcore setting starting at 0.16 with LLC full calibration
-cpu/nb 2000mhz (default voltage and AUTO LLC)
-ht 2000mhz (default voltage)
-manually set ram stock speed/timings/voltage (1600mhz 9-9-9-24 @ 1.75v)
-C&Q, C1E, Turbo Core, both spread spectrum DISABLED (keep turbo core and spread spectrums \\
disabled for your final setting at 24/7 oc.
-reboot and run 3dmark
-if it finishes 3dmark, start running Prime95 default blend. if it reboots during 3dmark, bump up
vcore 0.01
-if Prime95 crashes anytime before it passes all iterations (approx 11hrs), bump up vcore in offset
setting in increments of 0.01 (at this point the only variable that would crash prime is vcore or
temps)
-keep bumping up vcore until you pass all iterations of Prime95 blend. Then start upping cpu/nb
-Each time pc crashes, reset cmos via reset button on the bottom of the 2 top usb ports in the
back and do settings again

Have fun
thank you for your suggestions, IOS and myself working on the overclock. My current cooling solution cant handle 4.0ghz, as well apparently my stock voltages for my cpu are supposedly lower than they should be ... i think Turbo V Evo it shows stock voltages as :

CPU: 1.225v
CPU/NB: 1.1v
DRAM: 1.55v

not sure but i do remember having an issue with my default settings being overwritten on my CH IV Formula board so im not sure if these low voltages are an outcome of said issue.
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Sandy
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