TRIGEM Micro-ATX Hardware Document page 15

Doc_Form# :RPR404-IB1
HPD Indicator Header (CN73)
1 2
PWR HDD DC/SW
Aux. Indicator Header (CN49)
Pin Signal description
1 Key lock Signal to Super I/O
3 Key
5 GND
7 Sleep Function signal
Front Audio Control Connector (CN75)
1 2 3 4 5 4 6 7 8
Front Audio (CN75)
Front USB Connector (CN74)
Front USB (CN44)
TriGem Computer Inc.
(TG Option)
3 5 6 7 8
(TG Option)
8 7 5 4 2
Sleep Reset Keylock
(TG Option)
1 2 3 4
Pin Signal description
1 NC
2 GND
3 LED POWER
4 NC
5 LED POWER
6 HDD access signal
7 GND
8 Power-ON switch signal
1
Pin Signal description
2 GND
4 Reset signal
6 Key
8 GND
(TG Option)
Pin Signal description
1 LEFT_MIC_INPUT
2 +5VA
3 AGND
4 RIGHT_DAC_OUT
5 LEFT_DAC_OUT
6 AGND
7 NC
8 NC
Pin Signal description
1 VCC
2 Negative DATA
3 Positive DATA
4 GND
15/188
Hardware Document
Board Development Team
R&D Center