firmware flash

Hey, I have a 2008 4,1 black polycarbonate MacBook Core 2 Duo with 4gb of RAM and a 250gb SSD, and I wanted to ask if it’s possible to update the firmware to the 5,2 firmware, so it’s possible to install El Capitan on it. Would this even be possible? I would thank for every answer :3

I've seen it mentioned a few times that firmware updates don't always work when booting from non-Apple storage. Well, I took a moment to check the firmware on my 'MacBook Pro (Retina, 13-inch, Early 2015)', the MacBookPro12,1 A1502 model, which had its Apple SSD die out of warranty and which now...

Hello all, new poster here. I am attempting to upgrade the firmeware on a 2006 mac pro to 2.1. I downloaded the firmware tool here: http://forum.netkas.org/index.php/topic,1094.0.html I ran the tool on OSx 10.5 and I got a pop up stating that "The application Mac Pro 2006-2007 Firmware Toll...

Hey guys, I made a video about delidding a Xeon X5690 using only a vice! The results where perfect! After cleaning up and successfully testing the first one I went on to the second. Both turned out great and my Mac Pro 4,1 is quite and blazingly fast. The reason why I chose this method is...

Anyone know where to turn for decent RPC-1 firmware now that rpc1.org has shuttered?

Hey guys, Recently I overhauled my Mac Pro 4,1. I flashed it to 5,1 and upgraded the CPU to 2 x Xeon X5690's, which I successfully delidded myself *proud*. I also upgraded the RAM to 32GB 1333MHz and OSX is running from a Samsung EVO 850 @ 500GB. When I wanted to encrypt the drive, using...