15 ARK-1123 User Manual
Chapter 2 Hardware Installation
2.3.8 HDD LED Indicator
HDD LED indicator on ARK-1123H front metal face plate for indicating system status:
HDD LED is for HDD flash disk status.
2.4 ARK-1123C External I/O Connectors
2.4.1 Power ON/OFF Button
ARK-1123C comes with a Power On/Off button with LED indicators on the front side
to show its On status (Green LED) and Off/Suspend status (Orange LED). Dual func-
tions of Soft Power -On/Off (Instant off or Delay 4 Seconds), and Suspend are sup-
ported.
Figure 2.14 Power ON/OFF Button
Table 2.7: HDMI / Display Port Connector Pin Assignments
Pin Signal Name Pin Signal Name
1 TMDS_Data2+/ DP_Data0+ 2 GND
3TMDS_Data2−/ DP_Data0- 4 TMDS_Data1+/ DP_Data1+
5GND 6 TMDS_Data1−/ DP_Data1-
7 TMDS_Data0+/ DP_Data2+ 8 GND
9 TMDS_Data0-/ DP_Data2- 10 TMDS_Clock+/ DP_Data3+
11 GND 12 TMDS_Clock−/ DP_Data3-
13 NC 14 NC
15 SCL/ AUX_CH+ 16 SDA/ GND
17 DDC GND/ AUX_CH- 18 +5V/ Hot plug detect
19 Hot plug detect/ Return 20 DP_PWR
Note! HDMI does not support hot plug function due to Intel's constraint
Note! No audio function in HDMI 2 due to Intel's constraint
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