Normally now you’re seeing in the Command Prompt this: C:\Users\user\Desktop\5770\ again, now you’re at C:\ (right?) good, now: In Command Prompt (or DOS if you prefer) type: cd. Inside put your ATI 5770 Mac Edition rom, atiflash or atiwinflash (click the links to download them, unzip the EFI rom for your Mac Edition ATI 5770 ONLY!). In Desktop place a folder and call it 5770. Find Command Prompt (using search in Windows 7 or 8.1), right click and Run as Administrator. Now since there is nothing bothering your bricked ATI 5770 card, let’s move on. If you don’t end those tasks, you will get Error ofl01 failed to read rom in both atiflash and atiwinflash.
#RADEON 5770 FOR MAC DRIVER#
So, you put the card inside your Mac Pro or your PC, you will need another GPU to view what you’re doing, so there is no blind flashing here… Boot and in Windows disable using Task Manager all the AMD/ATI processes and also the Windows Driver Installation Process ( Important!). (Update: netkas has corrected the article 🙂 )
The only difference is the pin numbers, instead of 1 and 4 a user “omni” reported to netkas, use 4 and 5 as I show you here. All this info was provided by netkas in his blog here. The short circuit bypasses the BIOS info to the computer and the card from brick becomes a VGA adapter without any Vendor or model (in Windows PC or Mac Pro with Bootcamp). The reason? Because during the computer operation YOU have to remove the short circuit to be able to flash with new BIOS your card. I found very thin bronze cable and created the short circuit WITHOUT any soldering. The pins with numbers 4 and 5 as seen above must be short circuited so we will be able to flash a new BIOS to our bricked ATI 5770 GPU card.Įxplanation of BIOS pins (provided by netkas)Īs seen here again the bottom 2 pins labeled in this picture with number 4 and 5 must be short circuited.
The numbering is from top to bottom (in this view) 1,2,3,4 and the opposite side 8,7,6,5 as seen in this photo. There is a green dot on the top left as seen in this view, this dot gives the pin number “1” to our counting for the upcoming steps. Locate the BIOS chip as seen in the picture. Maybe after the “-ai” to also give these to make sure: atiflash -i 0 and also with atiflash -i 1 and keep screenshots if you have to remember what cards is placed where… Forget all the guides around the net with the commands, give the above command so you’ll be sure what card YOUR COMPUTER sees in what position (number 0 or 1). NOTE: ALWAYS USE atiflash -ai BEFORE YOU FLASH! Only that way you will know what GPU you’re going to flash. The mistake I made was a number, instead of flashing the “1” card in atiflash, I flashed the “0” card.
The card after the “supposedly successful BIOS flash” ended up a brick. In my case, I’ve flashed my ATI 5770 Mac Edition with the BIOS ROM of my XFX 7950 ( see the previous guide). Well this ends today (at least for the ATI 5770 users).
#RADEON 5770 FOR MAC MAC OS X#
As they upgrade their graphics cards for the upcoming Mac OS X El Capitan (to have full Metal support on AMD GPUs 7xxx family and up), sometimes – like me – they end up with a small disaster by flashing the wrong card by mistake. It seems this is a common problem in the classic Mac Pro users area.
#RADEON 5770 FOR MAC HOW TO#
This is a simple guide to show you how to save your ATI HD 5770 Mac Edition card in case of a bad BIOS flashing.
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