07-05-2009, 08:50 AM
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Senior Member
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Join Date: Apr 2009
Location: J'Habite En Angleterre
Posts: 1,822
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Re: GA-EP45-UD3P - Won't boot with 450FSB
If he's stable, there's no need to alter MCH ref. Nor is there a need to reduce VTT. Lower is better and it wouldn't hurt to see if it can be decreased, but it's certainly not urgent. Running 1.4V myself, simply because no other value regardless of ref volts is stable.
The reason it needs so much Vcore is that it's a C0 stepping. It's not going to do 4GHz with much less voltage.
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Lian Li PC-A09 Case (Full Aluminium)
Corsair HX750 (CWT, 91%(80+ Gold rated @230V) single 62A 12V rail
EP45-UD3P v1.0 @ F10e
E7400 @ 9.5 x 411, 3.9GHz, 1.425v ??c idle (stuck DTS sensors) and 57c full load (23c ambient)
TRUE Black with a single Noctua NF-P12 pumping out 55 CFM @ 19db .
2x2GB Corsair XMS2 PC2-8500, @ 5-5-5-15, 1093-DDR, 2.14v tRead 7 stable
2 x HD4850 512MB @ 715 Core / 2130 Mem. CrossFireX
Scythe Musashi twin 100mm fan cooler, 40c Idle and 65C FurMark "Xtreme Burning Mode"
Intel X25-M 80GB SSD (OS and Programs) 250MB/s Read 75MB/s Write and WD Caviar Blue 640GB (Storage, Downloads, Temp Files & Folders, Page File etc)
Noctua 1300RPM 19dB case fans
Dell Ultra Sharp 2209WAf E-IPS @ 1680x1050
This rig loads Windows 7 from the end of AHCI detection to a usable desktop in 13 seconds. 
System has passed 24 Hours Prime Blend, 12 hours of both Large and Small FFT and 50 Runs of Intel Burn Test (Maximum Stress)
http://valid.canardpc.com/show_oc.php?id=609332
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