Functional Description
31
temperature is too high, the sensor automatically reduces the CPU
clock frequency, depending on the mode chosen in the BIOS set-
tings.
FWH Flash Memory
For simple BIOS updating a standard onboard 16 Mbit Firmware
Hub device is used. The FWH stores both the system BIOS and
graphics BIOS. It can be updated as new versions of the BIOS
become available.
LED Functions
There are three LEDs on the front panel, below table shows the
function of LEDs.
Table 3-3: LED Function Descriptions
Name
Color
Status
Function description
HOT
Red
BLINK
CPU over temperature
OFF
CPU under temperature
WDT
Yellow
ON
WDT function enable
OFF
WDT function disable
PWR
Green
ON
Power on
OFF
Power off
Summary of Contents for cPCI-3920 Series
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