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Last Post
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Mar 21, 2008 11:26 AM
by: jozwikjp
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Posts:
1
Registered:
Jan 9, 2008
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Normal 8800GT no workie
Posted:
Jan 9, 2008 5:22 PM
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Just tried installing my 8800GT from my HTPC into my MacPro. If I try to boot into OS X it just fails, no picture on my monitors and it clearly doesn't get past post because if I touch the power button it shuts off. If I force it to boot into Vista (boot camp) everything works fine (and the 8800GT kicks butt vs the ATI card). Oh well, no cheap 8800GT for us.
Sam
Mac Pro
Mac OS X (10.5.1)
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Posts:
286
Registered:
Jul 22, 2007
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Re: Normal 8800GT no workie
Posted:
Jan 9, 2008 5:24 PM
in response to: Shizam
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Same card, different firmware.
John F
Mac Pro 8-core 3ghz, X1900XT
Mac OS X (10.5.1)
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Posts:
126
Registered:
Apr 22, 2005
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Re: Normal 8800GT no workie
Posted:
Jan 9, 2008 11:50 PM
in response to: barshnik
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You might need to wait till the drivers are actually released to start with. Not to mention that you will probably need the rom from apple version of the card.
Dual 1.25 PowerMac G4 mdd, G5 1.8, Powerbook 1.25, Mac Pro 2.66 Quad X1900XT
Mac OS X (10.4.8)
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Posts:
25,112
Registered:
Dec 12, 2001
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Re: Normal 8800GT no workie
Posted:
Jan 10, 2008 2:25 AM
in response to: Shizam
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It has been that way ever since there was a Mac Pro and 8800. Even the new Apple branded 8800 won't work in prior units.
from Barefeats:
ALERT TO OWNERS OF "OLD" MAC PROS! (CORRECTED)
The GeForce 8800 GT is NOT compatible with the older Mac Pro (August 2006, April 2007) as we assumed. I've been informed that new machines use EFI64, the old Mac Pros use EFI32, to work in an EFI32 machine you need an EFI32 ROM.
http://www.barefeats.com/york2.html
Mac Pro 2GHz 6GB WD Raptors Cinema HD
Mac OS X (10.5.1)
Nvidia 8600GTS, Sonnet 2EP APC RS1500 Vista Ultimate x64-SP1(RC)
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Posts:
53
Registered:
Nov 10, 2004
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Re: Normal 8800GT no workie
Posted:
Jan 10, 2008 2:32 AM
in response to: The hatter
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I strongly mistrust that statement from Barefeats. I don't know where they are getting that information from but as of yet noone has been able to test whether the new 8800GT will work in existing Mac Pros, Barefeats included.
Couple that with the fact that Apple customer support are telling people that the new cards work fine and you can see that Barefeats may have just jumped the gun a bit.
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Posts:
126
Registered:
Apr 22, 2005
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Re: Normal 8800GT no workie
Posted:
Jan 10, 2008 2:35 AM
in response to: The hatter
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That doesn't matter here quite yet. It has been known that the 8800 will work under a windows partition.
Dual 1.25 PowerMac G4 mdd, G5 1.8, Powerbook 1.25, Mac Pro 2.66 Quad X1900XT
Mac OS X (10.4.8)
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Posts:
25,112
Registered:
Dec 12, 2001
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Re: Normal 8800GT no workie
Posted:
Jan 10, 2008 2:47 AM
in response to: Christopher Wet...
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Yes, and no driver is going to change it. Also, the EFI rom is 128k and most PCs have a 64k bios rom.
Mac Pro 2GHz 6GB WD Raptors Cinema HD
Mac OS X (10.5.1)
Nvidia 8600GTS, Sonnet 2EP APC RS1500 Vista Ultimate x64-SP1(RC)
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Posts:
523
From:
Planet Earth
Registered:
Nov 4, 2001
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Re: Normal 8800GT no workie
Posted:
Jan 10, 2008 4:42 AM
in response to: Alistair Hutchi...
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Hi. It's me, Rob-ART of BareFeats.
I got the info on the new GeForce 8800 GT not working on the old Mac Pros from the programmers at Blizzard (WoW). They are very bummed because they wanted to upgrade all their Mac Pros with the new card.
I'm bummed if there is no workaround with a firmware patch. I still have a GeForce 8800 GT kit on order which I'll be glad to try booting on our two older Mac Pros but it's not due to arrive for 5 weeks.
The latest, greatest Mac.
Mac OS X (10.5.1)
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Posts:
412
From:
East Sussex. UK
Registered:
Oct 22, 2006
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Re: Normal 8800GT no workie
Posted:
Jan 10, 2008 6:29 AM
in response to: rob_ART
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Quite interesting that you have to wait 5 weeks for the card in the US, here in the UK Apple are able to supply the 8800 in 8 days. I'm not in a position to get the new Mac Pro so until someone tests the new card in a Quad core 2 x 2.66GHz i will hold fire on purchasing the upgrade. I do wonder though as there is no indication on the Apple UK website to indicate that this card will not work on my MP!
Message was edited by: Denisimo
Quad-core Mac Pro (2 x 2.66GHz Dual-Core Intel Xeon)
Mac OS X (10.5)
6GB RAM; NVidia Geforce 7300 GT; 250GB HD 23" Apple Cinema HD Display
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Posts:
751
From:
California
Registered:
Feb 3, 2006
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Re: Normal 8800GT no workie
Posted:
Jan 10, 2008 9:26 AM
in response to: Denisimo
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8800GT is a little better than the 1900XT but it's not exactly a huge step up. I'm pretty sure Apple selected the 8800GT because of it's lower power requirements when compared to the 8800GTX and/or 8800GTX Ultra.
Why would an older 4 core MacPro have a EFI32 ROM vs. the EFI64 ROM?? That makes absolutely no sense. The motherboard/chipset used is 64bit capable, the CPU is 64bit capable, OS X Tiger (10.4.x) was 64bit, yet the EFI is 32? Now, that boggles my mind -- I hope Apple start adding some resources to their MacPro hardware division, especially now they're cash rich at over $200/share.
Mac Pro 3Ghz
Mac OS X (10.5.1)
X1900XT, 8GB RAM, 2.5TB, 30" HD, 24" Dell, Motu Ultralite, Mackie, MAudio
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Posts:
1,102
Registered:
Jun 27, 2003
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Re: Normal 8800GT no workie
Posted:
Jan 10, 2008 9:30 AM
in response to: Rob A.
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MacPro (early 2008) has two new PCI-E 2.0 slots which apparently are required for the new 8800 graphics card.
The previous MacPro has all PCE-E 1.0 slots.
PowerMac G4 Dual 1.25GHz
Mac OS X (10.4.11)
FW800, 4 internal HD - 870GB
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Posts:
523
From:
Planet Earth
Registered:
Nov 4, 2001
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Re: Normal 8800GT no workie
Posted:
Jan 10, 2008 9:40 AM
in response to: Thomas Emmerich
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This tech note seems to confirm that the GeForce 8800 GT won't work with the old Mac Pros:
http://docs.info.apple.com/article.html?artnum=305346
Note the words under the list of cards that says, "All of these cards are only compatible with the family of computers with which they shipped."
The latest, greatest Mac.
Mac OS X (10.5.1)
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Posts:
5
Registered:
Apr 25, 2005
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Re: Normal 8800GT no workie
Posted:
Jan 10, 2008 10:23 AM
in response to: Rob A.
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Er, it's twice as fast as the X1900. That's a pretty good step up.
And the GT is based on the newer G92 GPU, and is about as fast as the older GTX. I don't think it would have made any sense to go with the older, hotter, more power hungry GTX.
Quicksilver 2001 867 MHz
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Posts:
800
From:
Scotland
Registered:
Sep 12, 2005
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Re: Normal 8800GT no workie
Posted:
Jan 10, 2008 10:46 AM
in response to: rob_ART
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Rob-Art,
Thanks for the pointers and contacts. Yesterday i contacted the UK Apple sales team and was told, after 6-7mins of them 'consulting' that the new 8800GT would work with the pre-jan 8 MacPros.
Interesting contradictions... Will try Sales folks again in the light of this tech pub.
MP 3GHz octopus, 12GB ram, X1900 ,WDRE2, HDS, 30" ACD, MacBookPro 2.0
Mac OS X (10.5.1)
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Posts:
751
From:
California
Registered:
Feb 3, 2006
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Re: Normal 8800GT no workie
Posted:
Jan 10, 2008 12:45 PM
in response to: Adam Harvie
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Adam,
Will have to disagree with you there, the 8800GT is not 2X faster than 1900XT (at least not at the resolutions I use). It does bring DX10 for those of us dual booting to Vista. nVidia are releasing their 9800 series cards next month which are supposed to be 2X faster than the 8800GTX so once again the MacPro video option is almost already outdated. But I commend Apple for at least trying to keep up.
Mac Pro 3Ghz
Mac OS X (10.5.1)
X1900XT, 8GB RAM, 2.5TB, 30" HD, 24" Dell, Motu Ultralite, Mackie, MAudio
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