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Old 06-19-09   #1 (permalink)
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Default Voltages not changing on XFX 750a

Hi guys, my cooler finnally arrived after a month of waiting so i was stoked to overclock, so i pushed the CPU up to 3.3 Ghz before it crashed under prime95, so i was like, upith the voltages now, so i go into my bios and set the voltage at 1.4 (1.35 stock) restart open up CPUz and it says 1.35. So i bumped it up to 1.45v to see what would happen (max safe is 1.5) and still the bios reading shows 1.36 and so does CPUz so im stuck at 3.3....any ideas? any help would be lovely

System: Shiva (Viper Platform)
CPU
Lapped Phenom II X3 720 @ 3.62ghz 0904
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ASUS M4N82 Deluxe
Memory
4x1gb OCZ fatal1ty DDR2@ 1070mhz 5-5-5-18
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MSI 5770 OC edition 1ghz/1365mhz
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WD caviar 500gb, 80gb Maxtor
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OCZ GameXStream 700watt
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modded CoolerMaster HAF 932 w/ glass side
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Apogee GTZ
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Old 06-19-09   #2 (permalink)
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The vCore in the bios will be different than the vCore measured by CPU-Z this is bcause of Vdroop. Does the mobo not support vCore's over 1.45 if so updating your BIOS may help.
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Old 06-19-09   #3 (permalink)
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Quote:
Originally Posted by Angmaar View Post
The vCore in the bios will be different than the vCore measured by CPU-Z this is bcause of Vdroop. Does the mobo not support vCore's over 1.45 if so updating your BIOS may help.
He's right, It most likely is VDROOP.

System: Dark Knight
CPU
Phenom II X4 20 @ 3.9GHz / 1.5V
Motherboard
Gigabyte GA-MA790X-UD4P
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4GB DDR2-800
Graphics Card
XFX 4890 1GB w/ GTX 260 PhysX
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2x Seagate 500GB, 1x Samsung 1TB, 1x WD 1TB
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Realtek HD Audio w/ SPDIF
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Corsair 750TX
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Xigmatek Dark Knight HDT-S1283
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