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Hey guys, thought i'd give you an update.

So I used my friend's PC to flash the rom to the one that 666sheep posted and now at least I get to the stage with the light gray screen with a dark gray Apple logo on it and the spinning loading bar. After about 15 secs of loading the screen goes black. I can still hear the HDD's working, so I assume it's still booting up, just that I can't see anything.
I successfully booted up with the 4870 in the second PCI slot, with my 8800gt in the first. Mac OSX did recognise the 4870 when looking through the expansion utility or system profiler.
Boot Camp does load, though I get the blue screen of death after not too long, which may point to something else wrong with my system...?

Any ideas guys?
 
BTW I was running it on DVI.

I wonder if the Snow Leopard graphics update would help?
 
Get latest Zeus form Cindori's site. It has ROM generator built-in.
Generate your own ROM from PC one and flash. At least now you don't need PC to do it.
I made earlier ROM manually, using pipomolo42's method - maybe then something went wrong here?
 
I was able to make a new rom by using Zues to add efi to my pc rom. I then used Zues to flash my 4870 (which was in slot 2) with this new rom, which said it was successful. The end result is the same as what i had with the rom you gave me. Perhaps this card just isn't compatible, or maybe I need to reinstall my OS X?
 
I've made quite a bit of progress. I installed Netkas' exotic card patch, and after replacing some of the files supplied by Cindori on post 87 here I was able to get the desktop to show.
I still don't think it's 100% coz I loaded up Tales of Monkey Island and none of the menu words are visible. I'll have to try other games tonight.
But still, most other apps like Final Cut seem to work fine :)
 
my card is dead

I bought the same card. Made a ROM according to the instructions.
Hopefully it helps some of the other posters I've seen out there.

Mine works perfectly ^_^

Cheerio !
- BBX

I bougth the same card too.I flashed the wrong rom in my card. When I booted it from my mac pro ,the apple boot sound cycles,and mac pro stop to boot in.
I take the card to my friend pc to flash again,but it can't boot into dos or window ,just a long bi three short bi sound and stop to boot. what can i do?
Would you post the right rom of sapphire 4870 512ram for mac pro 1.1.
mac pro 1.1 2.66ghz
video card:sapphire hd 4870 512ram
PN:188-01E85*001SA SKU#111133-00
 
Would anybody post the right rom of sapphire 4870 512ram for mac pro 1.1.
thanks a lot.

my is mac pro 1.1 2.66ghz
video card:sapphire hd 4870 512ram
PN:188-01E85*001SA SKU#111133-00[/QUOTE]
 
Ok, just another successful story :p
got one XFX 4870 1GB (HD-487A-ZWFL ver.G.1) (two wire fan)
I`ve got early 2008 MP running 10.6.4
steps:
-booted windows with both cards in (second is orig. apple HD2600 XT), saved 4870 rom with gpu-z
-rebooted with only HD2600 (got KP with both cards in, when booting OS X) patched 4870 rom with Zeus (v.2,1)
-restarted in windows, burned custom edited UBCD with rom and atiflash.. (ultimate boot cd)
-flashed in old skool DOS way (Zeus flashing didnt worked for me)
-booted in OS X with only 4870 installed, without QE/CI (Zeus patches didnt worked for me)
-downloaded Keita_1`s patch from https://forums.macrumors.com/posts/10244228/ , installed two times (?!), and it worked!
So, one big thanks for Rominator, Cindori, Keita_1 and other people and their experiences..
 

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Has anyone heard of any potential fix for the drivers for XFX ZWFL cards (4870) ?

10.6.2/3-stuff means lots of things are disabled in WoW: Cataclysm :(
 
Has anyone heard of any potential fix for the drivers for XFX ZWFL cards (4870) ?

10.6.2/3-stuff means lots of things are disabled in WoW: Cataclysm :(

Hi

Here unfortunaly the same Problem. I get only an black Screen/Window with WoW 4.0.1 (Cataclysm).

I've successfully flashed the card and installed the patched Driver from Keita_1`s patch. Quartz is active, but WoW show since 4.0.1 only a black Screen.

MfG
Kompost
 
I need for 4870 512mb and 1024mb rom efi-64 for macpro two 2009(4.1) with ddr3 ram and nvidia gt120, please give me links for download this rom. I cannot understand what image I'd like. I have 4870 1gb and 512mb. How most to make a power-cable for 4870? I have gigabyte 4870 512mb, rom-memory is 128kb
 
Hi

Here unfortunaly the same Problem. I get only an black Screen/Window with WoW 4.0.1 (Cataclysm).

I've successfully flashed the card and installed the patched Driver from Keita_1`s patch. Quartz is active, but WoW show since 4.0.1 only a black Screen.

MfG
Kompost

Open your config.wtf and add EITHER

SET gxApi "OpenGL"

or

SET fixedfunction "1"


Should work :)
 
Need ones bios for 2 cards

Last year I bought one 4870, a month later got my second. Put the machine in the shop 5 months ago to have the OS freshened up. Seemed like a good time since I needed to have more back surgery done.
Got out of the hospital, got my machine back, things didn't seem quite right. Fans on both cards weren't spinning up to 100% so I installed CPU-Z, GPU-Z and RBE to check things out.
I noticed the bios's weren't the same...apparently one had been tinkered with quite a bit, the other I cant tell.
Confronted the shop, tech had been fired, they said weren't responsible...blew me off.
Shop has now closed down, so I'm left trying to fix my cards.
Long story short, if I can get the/a bios that will work with my cards I would greatly appreciate it.
Contacted Sapphire, with a ticked requesting the bios files, but no response.
Cant afford new cards, so I'm doing everything I can to fix mine. Could really use some expert "know how" and the bios file/s for my cards. If anyone can help out, I would really, really appreciate it.
Thanks for putting up with the long winded post.

Info on the cards:
One card has a SKU of 11133-04-20R and the other card's SKU is 11133-19-20R.
 
your bios of sapphire 512 ram 4870

Last year I bought one 4870, a month later got my second. Put the machine in the shop 5 months ago to have the OS freshened up. Seemed like a good time since I needed to have more back surgery done.
Got out of the hospital, got my machine back, things didn't seem quite right. Fans on both cards weren't spinning up to 100% so I installed CPU-Z, GPU-Z and RBE to check things out.
I noticed the bios's weren't the same...apparently one had been tinkered with quite a bit, the other I cant tell.
Confronted the shop, tech had been fired, they said weren't responsible...blew me off.
Shop has now closed down, so I'm left trying to fix my cards.
Long story short, if I can get the/a bios that will work with my cards I would greatly appreciate it.
Contacted Sapphire, with a ticked requesting the bios files, but no response.
Cant afford new cards, so I'm doing everything I can to fix mine. Could really use some expert "know how" and the bios file/s for my cards. If anyone can help out, I would really, really appreciate it.
Thanks for putting up with the long winded post.

Info on the cards:
One card has a SKU of 11133-04-20R and the other card's SKU is 11133-19-20R.

I don't know if my card bios is compatible to you . I attach the bios to you.
you can try it. good luck.
 
fouel, many, many thanks

Thanks so much for the bios fouel!!!

Got a cheap USB 4gig drive last night to put the software on to flash both cards with at once since a floppy wont hold newer bios and flash tool anymore.

Will study up on how to do it, and maybe get them both flashed at the same time.
I read that it can be done...I pray it works.

Really glad I found these forums. Looks like good peeps that know how to get things done, and don't mind helping.

Can't thank you enough for your help and quick response fouel.
 
Hello. I have a PC video card but the BIOS is not there. I want to flashed it for the MAC. Tell me please where can I find a new bios, then remake it to the method Pipomolos
Bios Part Number 288-10E85-001 ME
Thanks
 
Hello. I have a PC video card but the BIOS is not there. I want to flashed it for the MAC. Tell me please where can I find a new bios, then remake it to the method Pipomolos
Bios Part Number 288-10E85-001 ME
Thanks

what is the manufactory of video card ?
I have an ati official video card.
 
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