Power Supply for multiple Graphics Cards

I recently purchased an X1900 G5 Mac card. I now have my original (NVIDIA GEForce 6600LE) plus this new one. If I purchase yet another X1900, how do I get power to it? There is only one power jack on the mother board.
What are my options? Can my power supply support more caards? How do I connect them to the power supply? ATI pointed me to Apple support

Slot 1 (bottom) is the only slot designed for a high powered card. It is also the only 16 lane PCI-Express slot. The other slots have a power limit of 25 watts. Slot 3 is 8 lane, 2 and 4 are only 4 lane.
<http://developer.apple.com/documentation/Hardware/Conceptual/HWtechPCI/Articles/pci_implementation.html#//apple_ref/doc/uid/TP40003937-DontLinkElem entID64>
Put the 1900 in slot 1 (bottom), and the 6600 in slot 3. Even if there was enough power for a second 1900, it would not have the bus bandwidth because there is only one 16x slot.

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Power supply for AGP graphics - 20 pin vs 22 pin?

So, the power supply on my G4 Sawtooth (dual 450) is about half dead. I looked online, figured out which part I needed, and actually found one on Ebay. It was kinda easy. Then I took it to my Aunt's house (she's a tech) to install, and lo and behold... I have a 22 pin connector on my motherboard. The power supply (that everything online pointed to as the correct part) is a 20 pin. So of course, that isn't going to work.
I checked out everything again last night and all over the place I see that the Sawtooth has a 20 pin connector. Mine is 22, I swear... what in the ****??? Why the discrepancy? And does anyone need a 237W power supply?
Thanks,
Brooke
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Gigabit G4, Digital Audio, Quicksilver and later Macs have a different power supply and motherboard that passes 28 Volts DC from the power supply to a connector for the ADC port graphics card. 28 VDC is passed to the Graphics card ADC port to power Apple's ADC monitors.)
If you are not using a ADC monitor, you might could cut off the connector from your existing supply & the purchased supply & connect the 22-pin connector to the purchased supply.
Here's some links of power supply sellers.
We Love Macs http://www.welovemacs.com/apposu.html
HardCoreMac http://store.yahoo.com/hardcoremac/powersupplies.html
Not sure if the Apple Part #s are marked on your existing supply & purchased supply, but the links have the Apple Part#s for the various Mac models.
Cheers, Tom

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Greetings,
I hoped and dreamed in running dual 5870s, but sadly you only run one 5870. I found this FSP Group Booster X5 450W Dedicated power supply in hopes to run dual 5870s (here is the link: http://www.newegg.com/Product/Product.aspx?Item=N82E16817104054).
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Thank you for your response however I would like someone to read my post and answer accordingly.
I am not in the market for two 5870's. As I stated in the paragraph regarding my specific situation I want to buy ONE card, a PC card, which I know will work if I use it solely in Windows. I want to retain the card I have for OSX, because I don't need to upgrade it, and install a second card. I will be switching between Windows and OSX using the bootcamp partition.
The second card requires TWO places to plug it in. The card I have is taking up one of the two slots for power I have available on the motherboard. Can I install the power supply mentioned in the above post, or perhaps some type of splitter cable that would allow me to plug it into the one power slot I have available (if even possible considering power requirements)?
Again, these will be two different cards, one for each system. I am not trying to connect the cards. I am not trying to run both at the same time.
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I need to upgrade to a Quadro 4000 GPU in order to use DaVinci Resolve on my Mac Pro. DaVinci needs to graphics cards for full operation: the Quadro to process video and another card to actually run the displays (an Apple 30" Cinema Display and a 21" DVI monitor).
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And your Mac running OS X will not accept the Quadro 4000.
http://store.apple.com/us/product/H3314LL/A
Same card on Amazon for $790 with MacPro3,1 or later
http://www.amazon.com/PNY-DisplayPort-Profesional-Graphics-VCQ4000MAC-PB/dp/B004 CRS78O/
There are some helpful comments there like this one:
i work in 3D visual effects, post production, and graphics.
this video card works fantastic under Windows 7. the Windows drivers for the Quadro are finely tuned and allow particular applications to take full advantage of the video card.
under OS X, the card is NOT worth the premium cost. my ATI 5870 performs better in applications that the Quadro 4000 is suppose to work better with. for the life of me, i can't understand why Nvidia/Apple can't get these drivers right under OS X. its the same story, Quadro release after Quadro release. Nvidia and Apple just don't seem to care. my current 2010 12-core Mac Pro might be my very last Apple desktop. i just can't justify the Apple tax anymore if Apple isn't going to provide basic stuff professionals need. it just seems like Apple is drifting farther and farther away from the professional market.....so disappointing.
another extremely annoying thing is that i can't have my ATI 5870 and Quadro 4000 running at the same time. the Mac Pro only has two 6-pin power cables!!!! what's with that!! are you kidding me??!!
So you need to look at a new Mac. Or running Windows. Or... something.
2008 brought with it EFI64 / UEFI which is what you would need right now. Had you waited back when you did buy your Mac Pro until March 2008.... you would really have been set as far as usiing Quadro or GTX 285 and having 64-bit EFI. I just think this is another of those times.
Not everyone is ready to and running Lion, but Lion does have some support for the GTX 580, which is more power.
http://netkas.org/?p=1059
http://forum.netkas.org/index.php/topic,979.0.html
http://forum.netkas.org/index.php/topic,979.15.html
This: support for GTX cards even in MacPro1,1 if you have 10.7,3
http://forum.netkas.org/index.php/topic,1897.0.html
Why wait? Ivy Bridge from Intel in April will and has to arrive someday on Apple's desktop.
the GTX 680 arrives on 23rd, and AMD has their new line of GPUs, so something there.
Your GTX 285 no matter what, unless the seller isn't what he/you say they are, should work in Windows, Mac OR PC. I've used GTX 260 in my Mac Pro and in a PC with X58.
Vendors are coming out with Thunder storage arrays more so now, more for laptops and other systems, but there and using optical.
Given your needs etc I would find someone that wants your system and PowerPC etc and part with it. If you can't wait, or don't want "1.0" and want solid mature and known hardware, pick up one (you could even get the $2100 2.8 4-core ref'd model and do the W3680 6-core 3.33GHz $599 yourself.
www.macperformanceguide.com has a number of tips. The guy is now running 100% SSDs with a pair of PCIe controllers populated with 1TB SSD modules on each, and 48GB RAM. 2010 lets you use 3 x 8 or 16GB RAM also.

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I have now added a pair of Elite3D-m3 cards in the 2 UPA slots. At boot, the Elite3D in the first UPA slot comes up as the character mode console device and the OS boots normally up to the point of starting X/CDE desktop then defaults to the console login with " ...could not start X server..." error message .
I configured the Xservers file to include the two Elite as the default display :0.0 on /dev/fbs/afb0 and /dev/fbs/afb1, but on closer examination, found that the devices do not exist in /dev or /dev/fbs.
I do have a device /dev/fbs/ifb0 corresponding to the Expert3D lite card, known to function normally as a single headed machine.
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I recall that CDE and X require special consideration for this situation where the boot console device and the graphical device to run X are not identical. The Xservers file comments refer to this problem but I cannot seem to find sufficient documentation to figure out how to configure this situation.
I would like to avoid ripping out the two just installed cards to get back to the original configuration.
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Please note the following erratum: The original configuration was with an Expert3D lite in the 64bit/66 MHz PCI slot, not an Elite3D. Thanks.

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Java3D with Multiple Graphics Cards

I am currently developing an application that has a 3D component. The application is targeted to be spanned across 3 monitors using 2 graphics cards.
Most of the time when the application is over 2 of the monitors driven by different graphics cards, the exception below will be thrown
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Thanks
Eng Chew

No, Keynote takes over all the screens when presenting, and I'd think if you tried to edit in FCP when you were also running a show (if you could) it would likely bog BOTH programs down badly.
You could export your presentations into QT and have the QT player running on one screen, but still, if you fire up FCP, everything's a different ball game then.
I suggest leaving the FCP system on its own, don't try to do multiple things with it at the same time.

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Im curious how OSX can handle multiple graphics cards efficiently?
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OSX includes drivers for all the hardware used in Apple computers (and for many printers). At boot times, drivers are loaded for all the hardware devices that are detected.

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Hi,
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Link to ePower ()
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This question was solved.
View Solution.

Because the XP597A3 (actually any of these product numbers; XP597AA, XP597A3, XP597AS) is a HP 2011x 20" LCD/LED widescreen monitor. The OP was looking for an A/C adapter power supply for the HP 2711x 27" LCD/LED widescreen monitor, which is product # XP600AA or XP600A3. The adapter power supply I linked to, is the correct part for the 2711x monitor.... that is why not those other parts.
Frank
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Please click the "Accept As Solution" on my post, if my assistance has solved your issue. ------------V
This is a user supported forum. I am a volunteer and I don't work for HP.
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