![maxupgrades.com: MaxConnect SAS/SATA Link for Mac Pro [2008 / 2007 / 2006 [Model ID: 3,1 : 2,1 :1,1] Models with 4-Port Areca ARC-1213-4i SAS/SATA 6G HardWare RAID Controller with 256MB Controller Cache Buffer maxupgrades.com: MaxConnect SAS/SATA Link for Mac Pro [2008 / 2007 / 2006 [Model ID: 3,1 : 2,1 :1,1] Models with 4-Port Areca ARC-1213-4i SAS/SATA 6G HardWare RAID Controller with 256MB Controller Cache Buffer](https://www.maxupgrades.com/img/MaxConnectSASF4.gif)
maxupgrades.com: MaxConnect SAS/SATA Link for Mac Pro [2008 / 2007 / 2006 [Model ID: 3,1 : 2,1 :1,1] Models with 4-Port Areca ARC-1213-4i SAS/SATA 6G HardWare RAID Controller with 256MB Controller Cache Buffer
![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://preview.redd.it/n23e6ubnjqp61.jpg?auto=webp&s=2f7f3b400ccf817fa57c21dac2b93830f0d6d608)
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
![EMC 2180 820 2128 B 820 2128 A MA970 630 7997 661 4449 661 4676 2x2.8GHz Ver Motherboard Logic Board for Mac Pro 3,1 A1186 2008|mac pro logic board| motherboard motherboardmac logic board - AliExpress EMC 2180 820 2128 B 820 2128 A MA970 630 7997 661 4449 661 4676 2x2.8GHz Ver Motherboard Logic Board for Mac Pro 3,1 A1186 2008|mac pro logic board| motherboard motherboardmac logic board - AliExpress](https://ae01.alicdn.com/kf/Sc5fadf7405774515a2069b1848c4b39dO/EMC-2180-820-2128-B-820-2128-A-MA970-630-7997-661-4449-661-4676-2x2.jpg_Q90.jpg_.webp)