Installing on Mac Pro 3,1 Early 2008 Video (Flashed AMD Video Card)

• Videos
  • install_bigsur_11_2_3_pt1.mov
  • install_bigsur_11_2_3_pt2.mov
  • install_bigsur_11_2_3_pt3.mov
  • install_bigsur_11_2_3_pt4.mov
  • install_bigsur_11_2_3_pt5.mov (no sound)

Equipment used:

• Mac Pro 3,1 Early 2008
• OWC Accelsior S with 256GB Sandisk SSD in 3rd slot. This 4x slot allows bigmac2 to work with C key booting plus also functions 100% as a Recovery Disk, so you can run csrutil commands and bigmac2's apps will work without any signing issues). If you do not have this Install BigMac2 to an external USB 2.0 disk please.
• https://eshop.macsales.com/item/OWC/SSDACL6G.S/?utm_source=google&utm_medium=shoppingengine&utm_campaign=googlebase&gclid=EAIaIQobChMIyO_b2rvc8QIVExx9Ch3gmgB8EAQYASABEgIU1vD_BwE
• https://www.bestbuy.com/site/sandisk-ultra-512gb-internal-sata-solid-state-drive/5969506.p?skuId=5969506&ref=212&loc=1&extStoreId=261&ref=212&loc=DWA&ds_rl=1260402&gclid=EAIaIQobChMIxtjskbzc8QIVghh9Ch2T5QTXEAQYASABEgLLoPD_BwE&gclsrc=aw.ds
• 802.11ac/BT4LE Broadcom combo card (discussed but not shown)
• MouSSE is NOT needed on Catalina, BigSur or Monterey. You only need MouSSE on Mojave. This is not widely known, but I have been able to prove it on a Radeon Pro WX 4100 bus powered card (not flashed) and a Radeon RX 580 8GB Card (flashed for Mac).
• from SSD, C Key booting of BigMac2 install recovery disk is possible. This only seems to work on a Mac Pro 3,1 using an OWC Accelsior S PCIe card.