Best bios for clocking i7 on UD5?

celliott · 30 May 2009 at 23:15

Built a shiny new i7 rig today. Noticed the BIOS was rather old on my board (f4) to updated to f7.

Just started clocking and my results dont seem to be as good as a lot of other people are getting. I noticed a lot of people are running the F5 Bios.

Is F5 better for overclocking?

Currently on f7 bios Im running a 920 D0 at 3.8ghz with 1.216v. A few people seem to be running at 4ghz with 1.18v?

Thanks

user1453 · 31 May 2009 at 00:11

Hi

I'm on the same motherbard with f7 bios with athermalright ulta 120 cooler.

My rig is running at 4Ghz and cpuz reports the voltage as 1.25Vm I think it's luck of the draw on what you get

my rig is 1 hour prime stable, going to do a long run tonight

200Bclock
x20 cpu multi
turbo disabled
Ht enabled

I changed to f7 as for some reason I was having problems getting into the config screen for the raid on the intel southbridge

celliott · 31 May 2009 at 00:21

What vcore have you got set in the bios for that?

I've gone upto 1.3 and it's still not stable with 200 x 20

user1453 · 31 May 2009 at 00:33

first try load optimized defaults and then putting in all settings again, for some reason once this motherboard gets unstable it seems to need to start of from optimized to become stable again

these settings below are wht I'm using

Ram timmings stock, command rate 2t
Ram mulltipler 6
cpu multipler 20
baseclock 200mhz
turboboost disabled
loadline calibration enabled
Vcore 1.275V
CPU PLL 1.86V
Vmem 1.64V sotck for my ram

also make sure your temps arn't getting to highe ie 85 degrees, mine hover just around 80

the 85 is a personal limit, the true Tjmax of the i7 is i believe an unknown quantity currently

my ram is underclocked to test only the cpu in current setup, I have 1600mhz OCZ ram