Gigabyte GA-8I945GMF User Manual page 26

15) SPDIF_IO (SPDIF In/ Out)
The SPDIF output is capable of providing digital audio to external speakers or compressed AC3
data to an external Dolby Digital Decoder. Use this feature only when your stereo system has
digital input function. Use SPDIF IN feature only when your device has digital output function.
Be careful with the polarity of the SPDIF_IO connector. Check the pin assignment carefully while
you connect the SPDIF_IO cable. Incorrect connection between the cable and connector will
make the device unable to work or even damage it. For optional SPDIF_IO cable, please contact
your local dealer.
16) CI (Chassis Intrusion, Case Open)
This 2-pin connector allows your system to enable or disable the "Case Open" item in BIOS, if the
system case begin remove.
GA-8I945GMF Motherboard
Pin No.
6 5
2
1
Pin No. Definition
1
1
2
- 26 -
Definition
1 Power
2 No Pin
3 SPDIF
4 SPDIFI
5 GND
6 GND
Signal
GND