G5 Front Panel Audio Sense

G5 front panel headphone jack with AUTO SENSING ...

https://www.tonymacx86.com/threads/g5-front-panel-headphone-jack-with-auto-sensing.242482/

The base of the darlington is connected to the PowerMac G5 front panel audio sense pin (pin 15). With no head phone in the socket the normally CLOSED contact shortens the sense line to the audio out (right channel), so pin 17 of the panel header. So to make sure the relay is OFF I added bias resistors pulling the audio line to ground.

G5 ATX adapter cables - BlackCH mods

http://g5atxcables.weebly.com/g5-atx-adapter-cables.html

Power Mac G 5 front panel wiring to ATX

https://www.tonymacx86.com/attachments/frontpanel-mac-g5-pdf.304410/

15 AUDIO SENSE 16 AUDIO COM 17 R AUDIO 18 L AUDIO Firewire wiring Pin Panel Pin Header Signal 1 8 +!2V VP 2 4 GND 3 1 TPA+ 4 2 TPA-5 10 GND/shield 7 5 TPB+ 8 6 TPB-Note: No pin for header spot #9 for keying USB wiring ... G5 Front Panel Connector GND Ground • USB GND COM (GND) FW Ground

kettek /articles/powermac-g5-to-atx-pinouts

https://kettek.net/articles/powermac-g5-to-atx-pinouts

On the G5’s front fan/speaker combo, the 2-pin cable is for the speaker, and the wire with the white stripe down the side represents positive. Most PC motherboards use a 4-pin header plug that only has two wires attached - the pinout is: G5 white(+) to HDR 1(+) G5 black- to HDR 4(-)

G5 Front Panel Quick Guide | Page 12 | tonymacx86.com

https://www.tonymacx86.com/threads/g5-front-panel-quick-guide.77208/page-12

Sep 11, 2017. #115. Hi, starting to build my own PC inside of G5. Like to use original Front Panel (Power + LED, Audio and USB, no fireware). Power, LED and Audio is working. USB not. When I plug USB stick, W10 recognize some hardware was plugged but can't discover what type of device and disconnect it.

G5 Cable - Make that Apple G5 front panel fully functional!

http://www.g5cable.com/

Custom made cables to connect the front I/O panel of your Apple G5 case to any standard PC ATX or mATX motherboard. G5 Cable Made in the usa. Make that Apple G5 front panel fully functional! Plug-n-Play. Just Works. Quality Craftsmanship. Every cable comes with an easy to read identification sheet. Cables are clearly marked to insure they go in ...