User guide

AR-B1790 User’s Guide
20
3.21 CLEAR CMOS (JP6)
1
3
3.22 FRONT PANEL (JP7)
2 22
1 21
PIN FUNCTION
1-3 POWER BUTTON
7-9 GREEN BUTTON
13-15 PRIMARY HDD ACT LED
17-19 SECONDARY HDD ACT LED
2-4 POWER LED
8-10 SUSPEND LED
14-16 SPEAKER
20-22 RESET
JP6 FUNCTION
1-2 ON
Norm al Operation
(Factory Preset)
2-3 ON Clear CMOS
PIN Signal PIN Signal
1 5VSUS 2 VCC
3 POWER BUTTON 4 POWER LED
5 N.C 6 N.C
7 GREEN BUTTON 8 5VSB
9 GND 10 SUSPEND LED
11 N.C 12 N.C
13 VCC 14 5V
15 PRIMARY HDD ACT LED 16 EXTERNAL SPEAKER
17 VCC 18 N.C
19 SECONDARY 20 RESET
21 N.C 22 GND