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:( very bad news, even if I plug the card in a PC "Windows", the PC won't boot. The card apparently put the PC or the Mac not bootable.

Is my card broken ?
If so I have to send it back for replacement and cross my fingers that it will be accepted.

Any thought, or suggestion before I send it back.

Thanks.
 
flashing overwrites current clocks

edit rom with rbe to set clocks

Hi,

i flashed the pcs+ card - works fine. thx to your help! :D

but the clocks seem to have changed -> see gpu-z screenshots.

when opening the original and the modified rom with rbe -> the clockspage are absolutely identical. where should i make changes then to get the mem-speed to 1050MHz again?


EDIT: Haha. The CCC Overclocking was the problem. It still had the oc results of my 4870 card. After running it again with the new card, the 1050MHz Mem speed is back. *closed*
 

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About to try it again

Thanks for all this great work.

After futzing about with my XFX 4890 card for a few weeks I sent it back. It was obviously never going to work as a Mac card for me. Darn fast in Windows though! Now that things have moved along a bit I'm going to give it another try, but I very much want to get a compatible card as my time for FAWNRR (floundering about with no real results) is limited. Here is what I'm looking at. The first two look to be the most likely candidates. They appear to match your pictures in the initial post:

http://www.amazon.com/Sapphire-Rade...1?ie=UTF8&s=electronics&qid=1259621246&sr=8-1

http://www.amazon.com/Sapphire-Rade...3?ie=UTF8&s=electronics&qid=1259621246&sr=8-3

Other possibilities which might match:

http://www.amazon.com/XFX-HD489AZDF...2?ie=UTF8&s=electronics&qid=1259621246&sr=8-2

http://www.amazon.com/PowerColor-Ra...?ie=UTF8&s=electronics&qid=1259621354&sr=8-19

I would simply go and look around a computer store until I found what I wanted, unfortunately there are zero real computer stores anywhere near me (closest is Micro Center in Chicago, just over 3 hours away). Best Buy is the closest I can get, and it doesn't carry anything "high end," so their stock stops with the 4870 series. Idiots.

So, which of the cards above should I go for?

Alternately, if anyone happens to know of a reseller / card which is compatible, please just post a link to it!

Thanks again!
 
As an Amazon Associate, MacRumors earns a commission from qualifying purchases made through links in this post.
Hi, the card you posted in this link
http://www.amazon.com/Sapphire-Radeo...9621246&sr=8-1

appears to be the Sapphire New Edition model that a few of us have working. I would jump back may 10 pages and you can probably see my experience with it.

K

Thanks for all this great work.

After futzing about with my XFX 4890 card for a few weeks I sent it back. It was obviously never going to work as a Mac card for me. Darn fast in Windows though! Now that things have moved along a bit I'm going to give it another try, but I very much want to get a compatible card as my time for FAWNRR (floundering about with no real results) is limited. Here is what I'm looking at. The first two look to be the most likely candidates. They appear to match your pictures in the initial post:

http://www.amazon.com/Sapphire-Rade...1?ie=UTF8&s=electronics&qid=1259621246&sr=8-1

http://www.amazon.com/Sapphire-Rade...3?ie=UTF8&s=electronics&qid=1259621246&sr=8-3

Other possibilities which might match:

http://www.amazon.com/XFX-HD489AZDF...2?ie=UTF8&s=electronics&qid=1259621246&sr=8-2

http://www.amazon.com/PowerColor-Ra...?ie=UTF8&s=electronics&qid=1259621354&sr=8-19

I would simply go and look around a computer store until I found what I wanted, unfortunately there are zero real computer stores anywhere near me (closest is Micro Center in Chicago, just over 3 hours away). Best Buy is the closest I can get, and it doesn't carry anything "high end," so their stock stops with the 4870 series. Idiots.

So, which of the cards above should I go for?

Alternately, if anyone happens to know of a reseller / card which is compatible, please just post a link to it!

Thanks again!
 
As an Amazon Associate, MacRumors earns a commission from qualifying purchases made through links in this post.
Are you using a 4890 with DisplayPort?
Yes. Well this card have DVI, DP and HDMI ports.

And the DP to DVI adapter is running the 30"?
No. Mine 30” Display is connected directly in to the DVI port.

Peloche connected his display in DP port with adapter and another
23” display to DVI.
 
Success!

md5
5a7e1507380ef3beefb150a8b2d13deb

peloche you're a genius. Thanks so much! I take it that the "256 MB" in the Apple Video Hardware Information is normal...? Everywhere else it seems to say 1024MB. Thanks again... to where would you like donations etc?
 

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As an Amazon Associate, MacRumors earns a commission from qualifying purchases made through links in this post.
I just wanted to chime in.

Recently, my Apple-issued ATI 4870 died, so I bought the XFX ATI Radeon HD 4890 (1GB) from Best Buy tonight.

I popped it in my First Gen Mac Pro (1,1) and flashed it with ATI Flashing Tool.

All is well. It's working great. It's not INSANELY better than the 4870 (at least not with Call of Duty 4), but you can tell a difference. I can't believe that with a 1GB card, you still can't get 60fps constantly on the Mac with shadows turned on. Hmm..

Anyways. This card ROCKS in Windows! My 8800GT was okay, but this card doesn't stutter at all when playing games in Windows.

Conclusion: It's an awesome card for Mac OS X, but it's way better in Windows.
 
peloche you're a genius. Thanks so much! I take it that the "256 MB" in the Apple Video Hardware Information is normal...? Everywhere else it seems to say 1024MB. Thanks again... to where would you like donations etc?

Congrats cryptoseven.
If you want to know more about your card go to "information system".
For donations thanks a lot, but you have done it already with your feedback :D
Good luck
 
To panjandrum and Ljohnson72.

I would recommend Sapphire New Edition as well since there is few
of them running flawlessly.

The powercolor 4890 pcs+ was very easy to flash, too. works great and very fast. (i used winflash for flashing with the rom that comes with cindoris rom.zip)
 
I just wanted to chime in.

Recently, my Apple-issued ATI 4870 died, so I bought the XFX ATI Radeon HD 4890 (1GB) from Best Buy tonight.

I popped it in my First Gen Mac Pro (1,1) and flashed it with ATI Flashing Tool.

All is well. It's working great. It's not INSANELY better than the 4870 (at least not with Call of Duty 4), but you can tell a difference. I can't believe that with a 1GB card, you still can't get 60fps constantly on the Mac with shadows turned on. Hmm..

Anyways. This card ROCKS in Windows! My 8800GT was okay, but this card doesn't stutter at all when playing games in Windows.

Conclusion: It's an awesome card for Mac OS X, but it's way better in Windows.

Which XFX model did you buy?
 
Hi all! I've been reading this thread but I have a question if I may.

I bought the XFX Radeon 4890 1GB and installed it in my first gen Mac Pro using the 2 cables that came with my official Apple 4870. Is that okay to do? It's currently working fine, but I don't wanna blow something up.

Also, when 10.6.3 comes out, will I have to wait for an update to ATI Flash Tool in order to update?
 
yes, and yes.

download 10.6.3 and at the same time download new ati flashing tool
when the 10.6.3 is installed, patch for 10.6.3 with ati flashing tool (either before or after reboot)

done
 
yes, and yes.

download 10.6.3 and at the same time download new ati flashing tool
when the 10.6.3 is installed, patch for 10.6.3 with ati flashing tool (either before or after reboot)

done

Thanks man!

Just to make sure... this card can't harm my system in anyway can it? I mean... if the card dies, it's not that big of a deal but I don't want something else in my Mac Pro to die because of running an unsupported card.

I still have my 8800GT that runs pretty darn well... so if this card is going to cause harm, I could just return it.
 
only difference between apple graphic cards and pc graphic cards:

some extra lines of code in firmware and a apple on the box.
oh and twice as big price tag.


no the card will not hurt your system
 
What's the deal with it showing an extra card?

take a look at the screenshot on the right. It shows two 4890's.
 

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Sapphire O.c.

Hi,

I´m newbie. I have a mac pro 2x2.8 Quad-Core with 10.5.8 os X and 8800 GT. I´d like to put Ati 4890 and buyed this Sapphire (Overclock edition) to flash it. This is a valid/compatible graphic card or not ? I don´t know how to install. First I deinstall the nVidia... or.... install the Ati together nVidia... is better buy other power cables to connect to mainboard instead the standard power cables that comes with Ati ?

I´m sorry guys, many questions for the first time !!!
and sorry again for my poor english :eek:

Best Regards.
 

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Just performed the software update, it updated the os.

Now my xfx 4890 that had been working flawlessly is only running a single display and has temporary corruption in os x when 3d things are used, such as coverflow, etc.

I reinstalled the quartz fix, but that has not improved the situation.

Any advice?

Thanks,
 
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