User`s manual

PCA-6188 User’s Manual 44
3.9.8 VCORE, +1.5V, VCC3, +5V, +12V, -12V, -5V, VBAT(V),
5VSB(V)
This shows you the voltage of VCORE, +1.5V, VCC3, +5V, +12V, -12V,
-5V, VBAT(V), and 5VSB(V).
3.9.9 Shutdown Temperature
The system will shut down automatically when the CPU temperature is
over the selected setting. This function can prevent CPU damage caused
by overheating.
3.10 Frequency / Voltage Control
Figure 3.12: Spread Spectrum Control screen
3.10.1 CPU Clock Ratio
Key in a DEC number to set up the CPU Clock Ratio (Min=8; Max=50).
This item only shows up in special situations.
3.10.2 Auto Detect PCI Clk
There are two selections: "Enable" and "Disable". When "Enable" is
selected, the Clock signal of the empty PCI slot will disable automati-
cally. This function could reduce the EMI issue.
3.10.3 Spread Spectrum
To enable/disable the spread spectrum. The choices are : "Disabled," "-
0.40%," "- 0.50%," "- 0.60%," and "- 1.00%".