CMX147786HX
RTD Embedded Technologies, Inc.
80
Multi-Color LED
The CMX147786HX has a Multi-Color LED located beside the IDE connector, CN9. The color of
the LED indicates the status of the board, as shown in the table below:
The LED can also be controlled manually by writing to I/O Port 0x16. The following table lists the
color displayed and the value written.
Table 33: LED Colors
Color
Description
Green
Normal Operation
Blue
On Board IDE Activity
Red
cpuModule is in reset, or approaching thermal limit
Yellow (Red + Green)
cpuModule is in Standby
White (R+G+B)
cpuModule is approaching thermal limit
(CPU is throttled if enabled)
Cyan (Blue + Green)
Ethernet Link at 10 Mbps
Magenta (Blue + Red)
Ethernet Link at 100 Mbps
Blink
Ethernet Activity
Table 34: Manual LED Colors
I/O Port 0x16 Value
Color
0x00
Automatic (see
0x08
Off
0x09
Blue
0x0A
Green
0x0B
Cyan (Green + Blue)
0x0C
Red
0x0D
Magenta (Red + Blue)
0x0E
Yellow (Red + Green)
0x0F
White (Red + Green + Blue)
Содержание cpuModule CMX147786HX
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