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(#2008) DroiDMester válasza bzs73 (#2007) üzenetére


DroiDMester
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Ha nagyon bele akarsz merülni a GTL.beállításokba Olvasgathatsz itt bővebben

Maximus II. 45.nm és 65.nm meg alább

Equation for 45nm processor
Vtt x 0.667 + Item = Vtt x 0.635

Example:
45nm CPU
FSB Termination: 1.35v
Formula:
Vtt x 0.667 + Item = Vtt x 0.635
1.35v x 0.667 + Item = 1.35v x 0.635
0.90045v + Item = 0.85725v
Item = 0.85725 – 0.90045
Item = - 0.0432v
Item= -43mv

Now round up to the nearest selectable value in the bios is -40mv and set the 0.667x Item value
to -40mv (negative), usually the (1 &3) core.
You have now made the 0.667x GTL voltages as close as possible to the 0.635x GTL voltages.

Bios setting Example:
CPU GTL REFERENCE (0) Auto
CPU GTL REFERENCE (1) -40mv
CPU GTL REFERENCE (2) Auto
CPU GTL REFERENCE (3) -40mv

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Equation for 65nm processor
Vtt x 0.635+ Item = Vtt x 0.667

Example:
65nm CPU
FSB Termination: 1.35v

Formula:
Vtt x 0.635 + Item = Vtt x 0.667
1.35v x 0.635 + Item = 1.35v x 0.667
0.85725v + Item = 0.90045v
Item = 0.90045 - 0.85725
Item = 0.043v
Item= 40mv

Now round up to the nearest selectable value in the bios is 40mv and set the 0.635x Item value
to 40mv (positive), usually the (0 &2) core.
You have now made the 0.635x GTL voltage as close as possible to the 0.667x GTL voltage.

Bios setting Example:
CPU GTL REFERENCE (0) 40mv
CPU GTL REFERENCE (1) Auto
CPU GTL REFERENCE (2) 40mv
CPU GTL REFERENCE (3) Auto

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