If yes, it's all good you are on the right drive, if no, you will need to double check if your hard drive is partitioned ok or if there's another drive letter available like D: or E: or G.ġ2) Now, when you are at C: and you can see the ATIFlash.exe file on it after the DIR command, you type: atiflash.exe -i to list out all available ATI display adapters in your Mac (just in case you have something beside the 5770 you are flashing). We do this so your hard drive will be visible when you boot in Win95 DOS mode with the DVD.Ĩ) Put the DVD with Win95 boot disc in the drive and reboot your Mac.ġ0) Once DOS loads up and you see A:\ type C:\ to switch to FAT drive you created earlier.ġ1) Type DIR to list the contents of the drive to see if you see ATIFlash files. Burn the image to an EMPTY dvd with Disk Utility.Ħ) Download ATIFlash 3.79 or later from here: ħ) Unzip the ATIFlash 3.79 to the FAT partition you created on your mac. The easiest way to do this is to simply go here. But it's possible to just create additional partition there as FAT too.ĥ) Make a DOS boot disc. You can do this on your main OSX drive too I just don't like messing with Disk Utility and my main drive. I got the 5770 one.Ģ) You need to have a working mac graphics card in your system in PCI-E slot 1 just so you can do all this without problems and so you don't need a PC.ģ) Insert the 5770 in your mac in PCI-E slot 2 and connect the power cable.Ĥ) If you have an addition hard drive in your mac, or you have an empty HDD or the one you can tinker with, go to Disk Utility and create a partition on it as FAT. Here's what needs to be done, not really a huge issue:ġ) Get the ATI 5770 or 5870 card linked above. These are the cards you want to use for the seemless flashing:
#FLASH A VIDEO CARD FOR MAC UPGRADE#
I'm using it in Mac Pro 3.1 (early 2008).Īpple upgrade is $280. Then you can use most Nvidia and ATI cards these days right out of the box on your mac without the need to flash anything.įlashed ATI 5770 (possible for 5870) to work in Macs. I strongly encourage you guys to not use this guide and just upgrade to Lion.
#FLASH A VIDEO CARD FOR MAC SERIES#
Any ATI 5xxx series and I think even ATI 6xxxx series cards excluding the 6890/6990 will work out the box with OSX Lion.
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