Hi, i got a amd phenom ii x3 720 which unlocks to a x4 b20 on a Biostar TA790GX 128M mobo at stock voltage and stock speed of 2.8ghz. I prime95 tested it for 9.5 hrs and there was no errors. I want to overclock this cpu to 3.0-3.2ghz so in order for me to do so i have to go into my T-series setting in bios and i had to enable manual overclock and enable custom P-state in the cpuVID/FID section to allow me to change the multiplier. After i enabled that and rebooted my computer my computer boots up but my screen is blank it doesnt even go into window just stays blank. I had to turn off my comp by holding the power button, i did this like 5 times and still nothing. I cleared my cmos and did it all over, i even gave the cpu some more voltage and it still doesnt doesnt boot up as a x4 b20 if the custom p-state is enabled. I reverted back to a triple core and i enabled the custom p-state and window boots up and everything, i resetting my computer gave the cpu a tiny voltage and overclocked it to 3.3ghz as a triple core and prime95 tested it for 2hr and it had no error. So the problem is IDK why my computer wont let me overclock the cpu as a x4 b20 even when i added voltage and what not, im thinking it might be my bios that is the problem but i dont know, any input would help. Thanks and sorry for the long reading lol
also this chip seems to run super cool as a triple or unlocked as a x4 at stock speed and voltage, my cpu gets a reading of 15-16c with the stock aluminum heatsink with some as5 paste as a triple core and it runs 16-17c as a x4 b20. Is this normal or something?
also this chip seems to run super cool as a triple or unlocked as a x4 at stock speed and voltage, my cpu gets a reading of 15-16c with the stock aluminum heatsink with some as5 paste as a triple core and it runs 16-17c as a x4 b20. Is this normal or something?