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pm7300
Jun 10, 2008, 12:20 PM
Hi guys. I bought for cheap an Ati X1950xt 256Mb Gddr3 (R580) PCIexpress, for PC. I've read someone made a hacked rom to work in a Mac G5 PCIe, to be flashed on a PC Win with PCIe slot.
Can you help me please to find that rom, if possible?:confused:
Thank you.
Rob



Lord Zedd
Jun 10, 2008, 01:15 PM
Not possible.

tuxtpenguin
Jun 10, 2008, 08:27 PM
I haven't heard of that rom before.

pm7300
Jul 17, 2008, 01:23 PM
Done.

Believe me or not, but works fine.

See pictures here:

http://s242.photobucket.com/albums/ff176/pm7300/?albumview=slideshow

Lord Zedd
Jul 18, 2008, 08:03 AM
What you installed is a normal X1900, exactly the same as I have in my G5.

pm7300
Jul 18, 2008, 10:59 AM
Hi Lord Zedd. What do you mean with "normal X1900?" This card has 48 pixel shaders, vs 36 in X1900 and the fan pushes hot air out of the case through
the Pci grille, for a better cooling. Can I see a picture of your card, please?
Is it a PC flashed?
Thank you for replying

Rob

pm7300
Jul 18, 2008, 02:29 PM
<<This card has 48 pixel shaders, vs 36 in X1900 and the fan pushes hot air out of the case through the Pci grille, for a better cooling. >>

I mean compared to the X1900 (GT) Mac G5 edition:rolleyes:

kabunaru
Jul 18, 2008, 03:23 PM
How well do games run on that card?

pm7300
Jul 18, 2008, 03:31 PM
Games, HD videos, apps..... Compared to the stock Nvidia 6600 they are all seriously faster, if you think I payed only 77 Euros for this card it's a deal.

velocityg4
Jul 18, 2008, 04:20 PM
Well the Mac Elite has the tools you need
http://themacelite.wikidot.com/wikidownloads
Though they only list drivers for intel macs for the X1900xt

You would be better off with an x800/850 or Radeon 7800GS.

You can also try the strangedogs forums you will need to register.
http://strangedogs.proboards40.com/index.cgi?

edit: though the X1900xt ROM is listed for intel macs only you may be able to use a universal binary driver for it that the mac elite guides tell how to modify those intel drivers work on PPC macs.

Lord Zedd
Jul 18, 2008, 05:37 PM
Hi Lord Zedd. What do you mean with "normal X1900?"

It has exactly the same information as my X1900 G5.

pm7300
Jul 23, 2008, 05:06 PM
Ok guys, I've done several tests both Tiger and Leo. This card works perfectly.
The only issue is system profiler running Tiger, reports 128Mb Vram,
But Leopard sysprof shows 256.

The stock Nvidia 6600 I had before it really sucks.

pm7300
Aug 9, 2008, 09:52 AM
Hi there. The new Ati HD3870 PC Mac is available. Can someone tell me if this one is PCIe 1.0 (G5 Quad) compatible? I've read the first reviews about, it doesn't seem to be much better than Nvidia 8800, but it's cheaper. The bad
is the cooling system, not blowing hot air directly out through PCI grille..:mad:

kabunaru
Aug 9, 2008, 10:17 AM
I think the HD 3870 works only on the Mac Pros unless you ask ATI to make a G5-version exclusively for you.