User manual

9 Chapter 2
2.2 ARK-3381 front metal face plate external I/O connectors
2.2.1 Power ON/OFF Button
The ARK-3381 comes with a Power On/Off button, that supports the dual
function of Soft Power -On/Off (Instant off or Delay 4 Second), and Sus-
pend.
2.2.2 LED Indicators
There are two LEDs on the ARK-3381 front panel for indicating system
status: Red flashing PWR LED is for power status and the green flashing
HDD LED is for hard disk and compact flash disk status.
2.2.3 LVDS Connector
The ARK-3381 comes with a D-Sub 26-pin connector that carries LVDS
signal output, and can directly connect to LVDS LCD displays via exter-
nal cable.
The system also provides a jumper - JP6 on internal PCM-9380 or PCM-
9386 motherboard for selecting the LCD signal power of 5V or 3.3V,
please refer to section 3.10 for the jumper table of JP6, and Chapter 6 of
"Full Disassembly Procedure" for set up information. The default setting
of JP6 is 5V.
Figure 2.3: LVDS Connector
Table 2.1: LVDS Connector Pin Assignment
Pin Signal name Pin Signal name
1 LVDS_CLKBP 14 LVDS_CLKBM
2 GND 15 LVDS_YAM0
3 LVDS_YAP0 16 LVDS_YAM1
4 LVDS_YAP1 17 LVDS_YAM2
5 LVDS_YAP2 18 LVDS_CLKAM
6 LVDS_CLKAP 19 GND
7 +3.3 or +5V 20 +3.3 or +5V
8 GND 21 LVDS_YAM3
9 LVDS_YAP3 22 LVDS_YBM0