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I7-920 OC question

Tags:
  • CPUs
  • Core
  • RAM
  • Intel i7
  • Overclocking
February 23, 2010 3:55:06 AM

My system:

cpu i7-920
mobo ga-x58a-ud3r
cm hyper 212 plus
ocz3g1600lv2g x 3
xfx hd5770
cm 690 II advanced

with the following setting, my system is kind of stable:

BCLK: 170
CPU: 170 x 20 = 3.4G
Uncore: 170 x 20= 3.4G
RAM: 170 x 8 = 1360M
QPI Link: 170 x 36 = 6.12G

vcore: 1.3v (sw read: 1.232 @ full load)
vtt: 1.32v
RAM: 1.64v (sw read: 1.616)
CPU PLL: 1.8v
IOH core: 1.1v
ICH core: 1.12v

@full load:
max cpu temp: 72 71 69 66

-----------------------------------------------------

Now, my target is 180x20 = 3.6G

with the following setting:


BCLK: 180
CPU: 180 x 20 = 3.6G
Uncore: 180 x 20= 3.6G
RAM: 180 x 8 = 1440M
QPI Link: 180 x 36 = 6.48G

vcore: 1.325v
vtt: 1.32v
RAM: 1.64v
CPU PLL: 1.8v
IOH core: 1.2v
ICH core: 1.2v

the system booting fails!

Any idea which voltage should I change?

More about : 920 question

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