System Clocks; Figure 9. Sy Stem Clock S Menu - Nvidia TF680i SLI Deluxe User Manual

System Clocks

Select
System Clocks
to display the System Clocks menu. From this menu, you are able to
Enter
specify frequency settings, HT multipliers, and Spread Spectrum settings. Note
that in Figure 9, all of the options are listed. On the actual BIOS screen, you will
need to scroll down to see all the options.
Parameters
**Frequency Settings**
CPU Freq, MHz
FSB Reference Clock, MHz
CPU Multiplier
PCIe 16_1, MHz
x
PCIe 16_3, MHz
x
PCIe 16_2, MHz
x
SPP<->MCP Ref Clock, MHz
**HT Multiplier**
nForce SPP --> nForce MCP
nForce SPP <-- nForce MCP
**Spread Spectrum**
CPU Spread Spectrum
HT Spread Spectrum
PCIe Spread Spectrum(SPP) [Auto]
PCIe Spread Spectrum(MCP) [Auto]
SATA Spread Spectrum
:Move Enter :Selec t +/ -/PU/P D:Val ue F1 0:Sav e ESC :Exit
Figure 9. System Clocks Menu
Note:
Note that all data in
data in blue
selection.
from the Advanced Chipset Features menu and press
Phoenix – Awa rdBIOS CMOS Setup Util ity
System C locks
Settings Current Val e
2933.3 2933.3
1066.7 1066.7
[11 X] 11X
[Auto] 100
[Auto] 100
[Auto] 100
[Auto] 100
[5 ]
x
[5 ]
x
[UP Spread]
[Auto]
[Down Spread]
F5: Prev ious Values
white is for information only, data in
is non-changeable, and data in a
Configuring the BIOS
Item Help
Main Level
CPU frequency
multiplier.
CPU core clock
= FSB Ref Clock/4 *
CPU Multiplier
F1:G enera l Help
F7 :Defa ults
yellow is changeable,
red box is highlighted for
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