E6550 on phase, P5B DLX, D9GMH, 3.9GHZ :(

[TiN_]

Why so?

http://www.hwbot.org/quickSearch.do?hardwareId=CPU_1003

No FSB wall up to 590MHz, but CPU halts at clock >3900, even at 1.75V
Temps are ok (below -30C), only LN2 needed? Or any vmods extra for these cpus available. There are some on my mobo (Vcpu,Vdroop,Vmch).

[Solarfall]

might be a fsb hole.. have you tried to jump to for example to 4.0-4.1 mhz ??

[TiN_]

No, it's not fsb hole. Just crappy cpu.

All that it can.

DIY Phase (holds E6600 1.75V at 4.5GHz load with -30):

CPU-Z: 3907MHz
PiFast: 25.06sec at 3803MHz #2
SPI1M: 13.43s at 3856MHz #5
SPI32M: 16m 38.797s at 3711MHz
WPrime32M: 24sec at 3711MHz
WPrime1024M: 12m44.3s at 3711MHz

[krompirusa]

Did you try this mobo with some other CPU, that can do more than 550 FSB. Maybe mobo cant go further

[TiN_]

Mobo is OK, as I stated earlier.
Same mobo, same memory, equal range psu, E6600 B2 retail lapped:

[TiN_]

For mod, why Pi? It's not much regarding SPI bench, but rather general CPU OC. :\

[Rol-Co]

Best i can do with mine ....thanks irev210

Asus p5k-E right out of the box
E6550 tuniq tower cooled 1.45v bios set
2gb g.skill hz @ crucial dump
windows xp
roomtemp 16 degrees C



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