- Joined
- Oct 28, 2014
- Location
- Wenatchee, WA
Hey everyone. I am currently trying to overclock a AMD Athlon II x4 640 propus. I cant get past 3400mhz on prime95 blend without bluescreening after about 15-20 minutes.
Here is my CPU-z:
So far my settings I have changed in bios:
FSB Frequency: 200 to 227 (220 was stable on prime 95 blend 1+hour)
vcore: from auto on bios to 1.385V
HT Link: I heard that the HT link speed should be below 2000mhz when the NB speed is above 2000mhz. My bios set the NB frequency to 2300mhz from 2000mhz. The HT link would have been over 2000mhz on the auto setting so I lowered it to 1815mhz.
FSB also upped my DRAM voltages to 900mhz from 800mhz.
I know my motherboard FSB is linked to everything else so it upped my ram frequency to 454mhz from 400mhz. Not sure if that has anything to do with the BSOD. Im currently running stable at 3400mhz but the voltages keep going up from 1.385 to 1.4+ when running prime95 blend. My max temperatures on bios are 39c where as motherboard CPUTIN reading was 49c max.
My system specs:
Asrock 970 extreme4
AMD Athlon II x4 640 Propus (3400mhz)
Gigabyte GTX 570 rev 2.0
550w psu
8gb (2x4gb) Crucial Sport Dual Channel kit ddr3 1600
MUGEN 4 CPU cooler
here is my hwmonitor. Max temps idle are 34/33c CPUTIN and in bios is 29c.
Here is my CPU-z:
So far my settings I have changed in bios:
FSB Frequency: 200 to 227 (220 was stable on prime 95 blend 1+hour)
vcore: from auto on bios to 1.385V
HT Link: I heard that the HT link speed should be below 2000mhz when the NB speed is above 2000mhz. My bios set the NB frequency to 2300mhz from 2000mhz. The HT link would have been over 2000mhz on the auto setting so I lowered it to 1815mhz.
FSB also upped my DRAM voltages to 900mhz from 800mhz.
I know my motherboard FSB is linked to everything else so it upped my ram frequency to 454mhz from 400mhz. Not sure if that has anything to do with the BSOD. Im currently running stable at 3400mhz but the voltages keep going up from 1.385 to 1.4+ when running prime95 blend. My max temperatures on bios are 39c where as motherboard CPUTIN reading was 49c max.
My system specs:
Asrock 970 extreme4
AMD Athlon II x4 640 Propus (3400mhz)
Gigabyte GTX 570 rev 2.0
550w psu
8gb (2x4gb) Crucial Sport Dual Channel kit ddr3 1600
MUGEN 4 CPU cooler
here is my hwmonitor. Max temps idle are 34/33c CPUTIN and in bios is 29c.
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