5. Internal connectors
Case panel connector: J2
1-2 HD led
3-4 Power led
5-6 Power Switch
7-8 Reset Switch
USB
Internal USB ports: J19 (EHCI/OHCI) and J17 (OHCI only)
J19a (port 3) 1 – VCC
J17 (port 5) 1 – VCC
3 – D-
2 – D-
5 – D+
3 – D+
7 – GND
4 – GND
J19b (port 4) 2 – VCC
4 – D-
6 – D+
8 – GND
Audio
Audio in: J14 (DVD/CD)
Audio expansion port: J12
1 – 3.3 V
2 – 5 V
3 – SPDIFI
4 – SPDIFO
5 – MIC1
6 – LINE_IN_L
7 – JD0
8 – JD2
9 – MIC2
10 – LINE_IN_R
11 – SURR_L
12 – PCIM_OUT
13 – SURR_R
14 – PCIM_IN
15 – AUX_L
16 – CEN_OUT
17 – AUX_R
18 – LFE_OUT
19 – FMIC
20 – VREFOUT
21 – GND
22 – GND
