Gigabyte EX58-UD5/Extreme Discussion Thread

[silverfox71]

actually you got that wrong, the memory shouldn't excced the qpi voltage by 0.5V (thats why intel specs the max vdimm voltage with 1.85V, cause the max QPI voltage is 1.35V )

That could be the max but if you set your ram volts to 1.9v then start windows then open et6 you will see what I am talking about. the qpi will follow the ram volts by .5 or very close to it. I have now gone from f4j to f6c without any voltage diffences with my chip. no exceptional changes one way or another as in volts to obtain same fsb! I do beleive that each chip would have a preference to different volts in different places. I hope in the near future I can order yet another i7 and test this in more depth.

[Hornet331]

That could be the max but if you set your ram volts to 1.9v then start windows then open et6 you will see what I am talking about. the qpi will follow the ram volts by .5 or very close to it. I have now gone from f4j to f6c without any voltage diffences with my chip. no exceptional changes one way or another as in volts to obtain same fsb! I do beleive that each chip would have a preference to different volts in different places. I hope in the near future I can order yet another i7 and test this in more depth.

thats exactly what i said, at least gb was so smart that it made the auto voltage settings respect this limit.

But my problem is that every bios after F6b dont starts with more then 1.3V without a oc recover. Its reproduceable and it'S not connected to the bclck or anything else. -> set 1.3V QPI voltage in bios, cold boot -> bam, oc recover.

I can even coldboot with 200mhz bclck speed with only 1.29V Qpi voltage (but its not enough to get into windows).

I'll wait now for final F6 maybe they fix it.

[silverfox71]

thats exactly what i said, at least gb was so smart that it made the auto voltage settings respect this limit.

But my problem is that every bios after F6b dont starts with more then 1.3V without a oc recover. Its reproduceable and it'S not connected to the bclck or anything else. -> set 1.3V QPI voltage in bios, cold boot -> bam, oc recover.

I can even coldboot with 200mhz bclck speed with only 1.29V Qpi voltage (but its not enough to get into windows).

I'll wait now for final F6 maybe they fix it.

Woops!! my misunderstanding.