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So with the ZWFC G.1 there seems to be no way to get dual monitor support in Leopard. But, for us at least, it works fine with a single monitor.
In SL it works fine in dual monitors up to 10.6.4, where it no longer powers one of the displays. Tried downgrading kexts but still only got 1 monitor to have display.
In all, unless someone has some magic tricks, I would agree with the Rominator and AVOID the ZWFC cards at this time.
They are way too finicky. Even if it is working properly, it seems that each release of OSX has the potential to break them.
On a side note, we also have some older ZDFC cards that are still running perfectly, dual monitors, Snow Leopard or Leopard.
Oh well, guess XFX decided to cut some corners on the new revision of the card.

Keita 1 has a fix for the 10.6.4, i havent tried it but if you are having issues with this update check this out: https://forums.macrumors.com/posts/10244228/
 
In SL [ZWFC] works fine in dual monitors up to 10.6.4, where it no longer powers one of the displays. Tried downgrading kexts but still only got 1 monitor to have display....
Keita 1 has a fix for the 10.6.4, i havent tried it but if you are having issues with this update check this out: https://forums.macrumors.com/posts/10244228/
Are you getting stable operation of ZWFC vG.1 in 10.6.4 without Keita 1's package of kexts? I couldn't get any display on ZWFC G.1 without installing those drivers. And with them installed my operation is still flaky (KPs after some period of proper operation.) Rominator suggested I might have bad hardware but I've run a half-dozen 360p Youtube streams on the card continuously for over 24hrs under XP without problems.

-Steve
 
Hi
I have a reference ATi brand 4870 512mb. From my understanding the stock firmware that comes on the official Mac 4870 should work with my card. I have tried flashing it with some rom that a friend provided me, so I am do not know what card it was supposed to work on or where it came from. But when I flashed it using Dos it flashed fine but the Mac Pro booted up to a black screen. Running latest SL.

I looked for the stock 4870 ROM around page 8 but didnt find it.
 

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I have a problem with my sapphire HD4870. I have horizontal lines in safari, my mouse is transparent in the dock, and the ventilator of the card accelerates 2 seconds every 30 seconds
 
Successfully flashed a Powercolor 4870 1GB (got off craigslist for $100, yay) for my Mac Pro 1.1 using the ROM by scott4862 (thanks!), post #2221 on this thread:
https://forums.macrumors.com/posts/9026098/

I used ATI WinFlash in Windows 7 32 bit (bootcamp) to do this, no need to do any of that DOS/atiflash boot disk junk.

Both my DVI monitors work in Snow Leopard (1920x1080 and 1680x1050), everything works well. Had to replace the bolts that hold the fan/heat sink on the card with smaller ones, as the screws protruded too much on the back such that it wouldn't fit in the PCIe x16 slot.

Card is a bit quieter than the x1900xt it replaced too. For the second 6 pin power connector, I made a cable to connect to the power connector in the empty second drive bay (had molex parts at work to do this). Going to get a normal power connector so I can have both x1900xt and 4870 in and powered, if needed (4 monitors anyone?). I was able to flash the 4870 with only one power connector in, however.
 
Somebody can say to me what are good drivers for macos 10.6.4 ?

This is what I did...
The Kexts came from my previous 10.6.3 install. You could also extract them from the 10.6.3 updater from Apple.

ATIRadeonX2000.kext
ATIRadeonX2000GA.plugin
ATIRadeonX2000GLDriver.bundle
ATIRadeonX2000VADriver.bundle

This let my XFX 4870 ZFWC E.0 card work properly again (less the power cable warning)
 
Xfx 4870 Zwfc G.1

I've got this card and am only running one monitor. Up until the Apple Graphics update 1.0 I was able to use said video card with iSight and iChat. Now after the update (naively installed), iChat unexpectedly quits whenever I try to use the iSight camera.
I tried running Zeus 2.1 to run the QECI updater, but it doesn't seem to solve the problem. Zeus 2.1 did however get rid of my warning at boot up about the power cable.

Thoughts anyone?

Thanks,
Mike
 
Help ! 4870 2gb Vapor-X

can someone give me bios for My Vapor-x 2gb sapphire...
got pn 288-1e114-100sa
sku #11133-17

neeed a orginal bios 4 this card! got a black screen and i want to resurect...it
 
Help pls

Hey guys,

So i think i've bricked my card. I followed the instructions here
And it flashed fine. Now when I start up, my Mac Pro 1,1 just plays the Mac chime that normally only happens once, over and over again.
I think perhaps I used the wrong ROM?
My card is a Gainward 1GB 4870
What can I do now?

Thanks:confused:
 
Did you dump and back up your PC ROM? If so, you need to create custom Mac ROM of it using pipomolo42 method or newest Zeus.app version. Next reflash card with this new ROM.
 
Did you dump and back up your PC ROM? If so, you need to create custom Mac ROM of it using pipomolo42 method or newest Zeus.app version. Next reflash card with this new ROM.

Yeah I did back it up. I've attached it. So can I do the flashing on my Mac Pro, or do I need to put it in a PC?

While the card is in my Mac Pro, it won't even boot.
 

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Sounds pretty technical for a noob like me. Is there anyone who knows what they're doing that'll have a go at customising my rom? pretty please :)
 
While the card is in my Mac Pro, it won't even boot.

Now you must flash in PC. I've created ROM for you, test it and post results. Don't forget to rename ROM to 8 characters for DOS.
 

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Now you must flash in PC. I've created ROM for you, test it and post results. Don't forget to rename ROM to 8 characters for DOS.

Awesome dude! Thank you very much. Now, to try to find someone with a PC. 8 characters exactly? including the extension? so would something like "cust4870.rom" be ok?

Cindori, unfortunately my Mac Pro just cycles through the boot chime sound on start up and just won't boot up with the 4870 in. I really wish i'd read all of this thread before I flashed my card:eek:
 
Got it working again... (#2502)

I had the issue below, but resolved the problem by running the Mac OS X10.6.4 update again and then the ATI10.6.4Patch.pkg that emoseman talks about in post #2502.
Thanks to emoseman, cindori, and audio_inside.
Mike

OSX 10.6.4 with SL Video Update 1.0 that killed the QE on my XFX 4780 ver. G1 card. The above got me going again.:)

I've got this card and am only running one monitor. Up until the Apple Graphics update 1.0 I was able to use said video card with iSight and iChat. Now after the update (naively installed), iChat unexpectedly quits whenever I try to use the iSight camera.
I tried running Zeus 2.1 to run the QECI updater, but it doesn't seem to solve the problem. Zeus 2.1 did however get rid of my warning at boot up about the power cable.

Thoughts anyone?

Thanks,
Mike
 
well, it turns out finding someone with an appropriate PC is harder than I thought. It'll be about a week before I get a chance to re flash it. :(
 
Anyone seen this?:
Just want to know what people think of something like that card listed on ebay. Seems interesting.

its people that buy used/broken cards for like $50 and fix them up, remove stickers, flash it (prob with zeus, heh) add two mac power cable and sell the card again for $250+.
 
QE and CI refuse to work with 10.6.4 and or SL Graphics Update until i've used the RadeonX2000 kexts from 10.6.3 and the ATI 4800Controller/Framebuffer/Support kexts from 10.6.2.

I might be misunderstanding what these files do but does not this mean that we're basically stuck with old drivers?

Running XFX 4870 ZWFL Ver. E.0 in a Mac Pro 2008. Using the ROM provided by Cindori here.
 
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