![Macpro 3.1 early 2008. Anybody has an idea of what that button is and the 2 contact points next to it? Strange enough my mac pro won turn on unless i keep Macpro 3.1 early 2008. Anybody has an idea of what that button is and the 2 contact points next to it? Strange enough my mac pro won turn on unless i keep](https://i.redd.it/n23e6ubnjqp61.jpg)
Macpro 3.1 early 2008. Anybody has an idea of what that button is and the 2 contact points next to it? Strange enough my mac pro won turn on unless i keep
![Apple Mac Pro 3.1 (A1186) 2x XEON E5462 4x2.8GHz 6GB 2TB + 320GB HDD +HD 2600XT OS | Computers \ Case \ Tower Computers \ Brand \ Apple Computers \ Processor \ Intel Xeon Computers | AMSO Apple Mac Pro 3.1 (A1186) 2x XEON E5462 4x2.8GHz 6GB 2TB + 320GB HDD +HD 2600XT OS | Computers \ Case \ Tower Computers \ Brand \ Apple Computers \ Processor \ Intel Xeon Computers | AMSO](https://amso.eu/eng_pl_Apple-Mac-Pro-3-1-A1186-2x-XEON-E5462-4x2-8GHz-6GB-2TB-320GB-HDD-HD-2600XT-OS-234414_5.jpg)
Apple Mac Pro 3.1 (A1186) 2x XEON E5462 4x2.8GHz 6GB 2TB + 320GB HDD +HD 2600XT OS | Computers \ Case \ Tower Computers \ Brand \ Apple Computers \ Processor \ Intel Xeon Computers | AMSO
![Amazon.com: USB Hub 3.0 with 4 Ports, AKWOR Aluminium USB 3.1 C to USB 3.0 Hub for MacBook, Mac Pro/Mini, iMac, Ps4, PS5, Surface Pro,Flash Drive, Samsung : Electronics Amazon.com: USB Hub 3.0 with 4 Ports, AKWOR Aluminium USB 3.1 C to USB 3.0 Hub for MacBook, Mac Pro/Mini, iMac, Ps4, PS5, Surface Pro,Flash Drive, Samsung : Electronics](https://m.media-amazon.com/images/I/61bDAB6elKL.jpg)
Amazon.com: USB Hub 3.0 with 4 Ports, AKWOR Aluminium USB 3.1 C to USB 3.0 Hub for MacBook, Mac Pro/Mini, iMac, Ps4, PS5, Surface Pro,Flash Drive, Samsung : Electronics
![Finally got around to building the machine i've always wanted. Mac Pro 3,1 gaming/Caddlestation : r/pcmasterrace Finally got around to building the machine i've always wanted. Mac Pro 3,1 gaming/Caddlestation : r/pcmasterrace](https://preview.redd.it/7of20wfin6951.jpg?auto=webp&s=d1d64051db730e951220a062f8fc0e7431c1b2ed)