
18
Front Panel and PS/2 KBMS pin header: CN4
This single pin header allows you to connect the power switch,
reset switch, power LED, HDD LED, case speaker and two PS/2
ports.
Note:
Pins 1 to 12 are for Front Panel and pin 13 to 18 use for PS/2
KBMS.
Pin
Signal Pin
Signal
1 +PWR_LED 2 +HD_LED
3 +5VSUS (for LED use)
4 -HD_LED
5 GND 6 PW_SW
7 SPEAK_BZ 8 GND
9 GND 10 RST_SW
11 -PWR_LED 12 GND
13 +5VSUS 14 GND
15 KB_CLK 16 KB_DT
17 MS_CLK 18 MS_DT
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