Choppy video on 1st Gen MacPro w/Nvidia 8800GT card

I upgraded my card to the Nvidia 8800GT for 1st Gen MacPro (verified I do have a 1st Gen, but now without the Nvidia box I can't figure out how to verify I received the card I ordered...).
30-inch display will not play video at any resolution smoothly; and it doesn't matter what sort of video source (DVD, iTunes, flash...) or what software used to play video (QT Pro, DivX...). All software is up-to-date. Plenty of RAM, hard drive space, and a 15MBPS Internet connection. Using Intego NetBarrier and VirusBarrier, all current, and disabling them doesn't solve the video problem. Doesn't matter what other programs are running, the problem happens when it's the only thing on or if I've got several programs running on both the Mac and WinXP via VM Fusion.
I've also noticed Internet performance issues even when Speedtest.net shows a good connection. And more system crashes than normal. But I can't say whether the problems are related. The display is fine except for motion video playback.
I don't know where to start on diagnostics... Help please?

k, I zapped the PRAM, reset SMC and searched for more info about the "16x slot". Found this:
http://support.apple.com/kb/HT2838?viewlocale=en_US
which explains what that's all about and how to use the Expansion Slot Utility. And, voila! I had taken the original 7300 out of slot 1 and put the new card in slot 2 for more room, but slot 1 is the only one able to fully support a 16x card. Now all is well:)
I see The Hatter amazingly often in support searches. Thanks muchly! You got a website for donations?

Similar Messages

Use of NVIDIA 8800GT Card in 1st Generation Mac Pro

I just visited my local Apple store to inquire about the "1st Gen. Mac Pro" 8800GT card. They have some with p/n MB 560Z/A on the box. But no one knows anything in detail about the card, or possible installation/operation problems. Is the MB 560Z/A the card version that should work in my 1st gen Mac Pro (purchased 29Aug06)?

That's the right card. The Mac Pro (early 2008) uses the MB137Z/A

Buying a 1st Gen Mac Pro nVidia GeForce 8800 GT 512MB from Applemacanix...

_*Hi to All:_*
_First of all thanks for taking the time to read my post._
I am going to buy a 1st Gen Mac Pro nVidia GeForce 8800 GT 512MB Video Card from ebay to applemacanix, it looks like they give good service and I wont recive a bad product but I wannt to know from mac user what they think about this ebay user? I put the link [here|http://cgi.ebay.com/1st-Gen-Mac-Pro-nVidia-GeForce-8800-GT-512MB-Video-Ca rdW0QQitemZ270514929671QQcategoryZ3762QQcmdZViewItemQQ_trksidZp4340.m263QQ_trkparm sZalgo=DLSL%2BSIC&its=I%2BC&itu=UCI%2BIA%2BUA%2BFICS%2BUFI%2BDDSIC&otn=20&po=&ps =63&clkid=8899382923051298334#ht_5840wt1167]
Second I wannted to know what you think about the card? Has it worked ok for you? Any strange issue I should be aware?
Thanks in advance
Message was edited by: Chocorito

Applemecanix are the Microsoft of card flashers.
There are at least 5 other flashers on Ebay who will sell you the EXACT same card, with the EXACT same ROM flashed on it for around $100 less.
For that matter, a little time on MacRumours and you could figure out how to make one yourself for $200 less.
However, if you have money to burn, by all means give it to them.

Response regarding "crippled" 1st gen MacPro

I'm curious to know if others have had this experience.
I purchase a 1st generation Mac Pro after significant amount of research in order to run Windows XP. I am a returning Mac user and bought the first laptop ever offered by Mac. I do not make my purchases lightly as I need them professionally.
I recently got the wherewithal to significantly upgrade my RAM, as had been my intention, and discovered the 32 bit limitation of Win XP not being able to see/use more than 4 gigs.
After consulting with my 3D Software Newsgroup, and with the pretty savvy technical person on this newsgroup whose lead I followed in going back to Mac, I was given the impression that there was some question as to whether I could get even the additional 2 gigs out of XP on my Mac (it came with 2 gigs).
I then spent the better part of a couple of hours on the phone with Mac Support who insisted that this was a limitation of XP and that I could do everything with my machine that I could do on a PC with XP. The support tech proceeded to mildly trash Microsoft for their OS as well as to blatantly state that I did not do my research when purchasing my machine.
Over and over I was told that I could do anything with this Mac that I could do on a PC and that I needed to consult Windows technical support. When I suggested that he was giving me Mac-legal answers and not helpful answers he said this was absolutely not the case and that I somehow was not listening, had not done my research etc.
I cannot imagine anyone being more deliberate than I was when making this purchase and researched it over roughly four months.
In addition to sending back my RAM and having Crucial send me out two additional gigs of RAM (because I should reasonably expect my MacPro to recognize this additional RAM) I am now, after a number of days on this support forum and elsewhere, coming to understand that I will not get my MacPro running XP to recognize any more than the 2 gigs that came with the machine.
This does not seem to me to be in line with what I have been getting told from Mac Support. i.e. I cannot do everything on my MacPro with XP that I can with a PC and that it is not the "fault" of Windows' software that I can't get the extra gigs out of the machine.
Eventually, I got back to the support person I was speaking to, after my having to research the issue further, and got this response:
"Thank you for waiting for our engineers to get back to us.
They stated that the issue is due to a limitation of the Microsoft operating system. They suggested consulting Microsoft for additional information or review the articles that both I provided."
These articles do not address the issue and I did not receive a response to my follow up email.
Are there others who need more than 2 gigs out of this machine that have had this experience?
Many Thanks,
Jonathan

I hate to burst your apple hating bubble, but the tech is 100% correct. This is not a mac pro issue, it's an XP limitation.
XP is limited to 4gb of addressable memory. By default, XP is configured to part out ram in a 1/1 ratio. In the case of 4gb of installed ram, this means XP will reserve 2gb for itself and only display 2gb of ram in system info.
There are boot.ini switches that change this ratio to 3/1. The result is you'll see ~3gb of ram and XP will reserve 1gb for itself.
The above statements are true for any hardware you choose to install XP on. Dell, HP, self built, ibm, and yes even Apple.
I have personally been successful using standard XP boot.ini hacks to show 3gb out of my 6 or so I had installed. As have others: http://forums.macrumors.com/showthread.php?t=251078
http://forums.macrumors.com/showthread.php?t=227135
Honestly, though, you get nil to no benefit from doing this as only applications that were especially compiled to use the extra 1gb are capable of doing so (almost none are). So even though you may get a warm fuzzy feeling from "seeing" the extra gigabyte, you likely won't get any performance increase from it.
If you want to utilize more ram than this, you'll need to install an operating system (windows or otherwise) that is capable of supporting it.
In case there is any ambiguity in the above statements let me clarify:
A) You are incorrect, the apple technician is correct
B) Apple did not cripple your hardware, you failed at due diligence before choosing XP for your main operating system
C) You can use your Mac Pro + Windows operating system with identical capabilities of any other hardware you might choose to purchase.
(oh, also make sure you install the ram in the correct slot order, it's kind of wacky depending on the number of modules you have due to the buffered dims)
Good luck
Oh, also, just to make note. I'm happily running Vista with 8gb of ram all visible and addressable. I think this is a fairly clear demonstration that the limitation is due to XP and not due to some fanciful "crippling" that Apple as done.
Message was edited by: James Kyle

New aluminum keyboard, 1st Gen MacPro

Curious about this.. I applied some kind of update after getting this keyboard for Christmas, firmware I guess. It works fine, but I am curious about the F17,18,19 keys. WOW doesn't seem to recognize them. Could be WOW but when I go into System Preferences>Keyboard and Mouse>Keyboard tab>Change Keyboard Type...
The first message is that "keyboard can not be identified" etc. "Continue" yields "press the key to the right of the shift key" and that yields "You have pressed a key on your build-in keyboard. Please press the keys on your external keyboard."
This seems incorrect to me and maybe has bearing on the F17-19 issue...
Any ideas or similar experiences?

I have the same keyboard and Mac Pro and the only difference in the profiler readout is that mine says
Version: 0.69
Did you download and install the Apple Keyboard Updater? Not sure what the latest version is now, but it was a mandatory update. It should be available on the Downloads page on this site.

1st Gen MacPro Wake Up, HD activity takes up all CPU cycle w spinning ball

Since I have added an external HD (750GB) to my n-basestation as an NAS, every time I wake up my Mac Pro, the HD will be busy doing something (I have no idea what it's doing as I can get the activity monitor to come up until the HD stop doing whatever it's doing) for somewhere between 5 minutes to 15 minutes before the CPU is freed up to attend to other stuff like reconnecting the Mac to the basestation, connect iChat to the AIM server, etc.
This never happens prior to attaching the HD. It's extremely annoying. Anyone have any idea as to how to get the computer to wake up right away?
Thanks,
Sherman

A lot of what you describe sounds like a failing HDD. The one failing of OS X, is that Disk Utility and AHT tend to rely on the drive's internal SMART diagnostics, which isn't always accurate. Sometimes you need to actually stress the drive a bit to find the problem.
And I've seen many iMacs with failing HDDs that then start heating up abnormally, which then causes the fans to kick in (if you're lucky, some have had their logic boards cooked) to try and blow out the excess heat.
Now you seem to be confused as to what system you have. In the subject you say it's an iMac G4, but your signature line says it's a G5, which I'm more inclined to believe since you say it has iSight. Unfortunately for you, that is the model where Apple changed the way the iMac is taken apart. Used to be pretty simple. Loosen a few screws and pull the back cover off. Starting with your model, you have to remove the display to get at the HDD.
Still, all things considered, having the HDD replaced is pretty cheap compared to some of the other things it could be. Since this is a G5 era system, there's always the possibility that the logic board has some bad capacitors, which would mean the system's done for.
I'd really recommend you take it to an Apple Store or local AASP shop where they can run some more detailed diagnostics on it. I'm betting they'll either find a bad HDD or bad caps on the logic board. The former shouldn't be outrageously expensive, the latter means start planning the funeral.

Upgrading MacPro and nVIDIA CUDA cards.

I'm sure that I am not the only one who was taken back by the underwhelming MacPro "upgrade" yesterday. I have been holding out well over a year for an updated to my current MacPro 1,1, and I'm not sure I can wait much longer...
So, I'm trying to figure out the best solution that will hold me over. I am a Premiere Pro and After Effects power user, and have been excited about the CUDA capabilities and the amazing performance boost it will give. I figured when I upgraded, I would make sure I have a card in the machine that supports that.
I recently visited both "tech-spec" pages for Premiere and After Effects and they still list the same 4 nVidia GPUs supported on the mac. In fact, it looks like when AE and PP CS6 were released, they just changed the header. This hasn't changed in a long while.
GeForce GTX 285
Quadro CX
Quadro FX 4800
Quadro 4000
So here lies the frustration.
If I run out and get either a refurb of the 2010 MacPros, or one of the "new" MacPro towers running the ATI cards, I will still have to go out and replaced the video cards with one of the listed above. To make matters worse, the one reasonably priced card (GTX 285) is almost impossible to find. Not the least of which, it's already several years old.
I'm looking for any suggestions people might have, or workarounds, solutions...etc. I've considered picking up one of new Quad-Core's and using the price difference to kick up the video card. I guess I can sell the OEM one on eBay.
Unless someone can convince me that an i7 MacBookPro, and it's new nVideo card will do what I want to do, I'm not sure what other choices I have.
At this point anything will be a ridiculous upgrade from what I currently have. But for someone who wants to get a few years out of this investment, I'd hate to start off at a disadvantage.
I welcome all your thoughts and thank you in advance.
Best
Stephen

Stephen Barrante wrote:
I guess I've been just gun-shy about throwing $500 down on a card and having some immediately hack it. But, I completely hear what you are saying, there are so many other options in terms of cards if you go that route. It's possible I might have to seriously consider this.
The EVGA 2.5G GTX570 is $329 at NewEgg at this point. It's the most powerful card we can currently run in our Mac Pros without adding an extra power supply. The GTX580 will also work, but it has a 6-pin and 8-pin power requirement, something the existing Mac Pro can't quite deal with. The GTX680 has 2 6-pin ins, but the nVidia driver hasn't been updated to support it yet.
I'm still blown away that Apple didn't even put a newer video card in the latest towers. But, that's what I've come to expect from my love/hate relationship with them.
They're not really in position to do much more in the way of hardware validation for the existing Pros, so don't expect to see any new video cards added. Like... ever. The current rumor is that the Pros won't be re-done until sometime next year, likely when the Ivy Bridge Xeons are available. Until then, folks are going to have to make do with what little Apple is providing, and perhaps perform their own mods like I did.
jas

Sending my ipod video 1st gen for service?

need some advice from anyone who has similar experience.
here's the scenario:
my ipod video 30gb 1st gen got contacted with water and now it is unable to switch on.. it'll flicker a white screen once or twice after sometime of inactivity..
i'm already out of warranty.. should I send it for servicing? or is it better to get a new ipod? i am from singapore and a new 30gb video 2nd gen will cost 400+..
please do advise me
thanks to all

Apple will not fix the iPod if it has been water damaged, it would cost too much money, cheaper to get a new iPod.
You may be able to sort this yourself though. How long have you let the iPod dry out? It can take a while to get rid of dampness.
If you can open the iPod (loads of sites show you how to do it). and leave the iPod in a warm area for a few days, then put the back on and try it again.
Also do you have house insurance, you may have accidental cover that would pay for a new iPod.
Ian

Upgrading my 1st Gen Mac Pro

I have a Mac Pro 1.1, Dual-Core Intel Xeon, 2.66 GHz with 11GB of RAM. Graphics card is ATY,RadeonX1900.
I mainly use it for video/photo work, FCP, After Effects, Photoshop. It's starting to run quite slow. In Final Cut Pro I have trouble playing anything back smoothly within the timeline. I am assuming this is because as video technology improves (HD, higher bit rates etc) by Mac Pro has not kept up.
What is the best way to upgrade my Mac Pro so that it runs more smoothly and does not cost as much as buying a new machine? Should I get the processor changed? Is that possible? If so, which one? Or would changing the graphics card do the job?
Any advice would be great.
Thanks.

Hi fferrari,
I find it sad that The hatter is right that so many view without any suggestions. I have a similar issue that I'm dealing with and my budget does not alow me to purchase a new MacPro. I'm also looking for a new graphics card to edit High Def video on my 1st Gen MacPro 2006. I tried the ATI 5770 but somehow forgot to notice that it requires Snow Leopard 10.6.x to work properly. I need something that works with Tiger, Leopard and Snow Leopard due to software issues and also with Windows XP SP2 via Bootcamp witch is on the Tiger HDD.
I'm so confused as to what to purchase since it's all so very technical for me but I may need to find an Nvidia 8800GT because I want two DVI port on the same card that would work on Tiger (10.4.x) and at least 512 MB on the card.
Anyway, good luck at making a decision at your end.
Rio

Nvidia 8800GT video card in the First Generation Mac Pro

This message is a bit of advice if you install the new Nvidia 8800GT video card in the first generation Mac Pro. The advice is keep your old video card. The old video card will be needed if you ever need to reinstall the OS X operating system. This new card needs the video drivers (kernel extensions) that are in OS X leopard 10.5.2 or later. With this video card installed, both the OS X original installation disk that came with this computer and the OS X leopard upgrade disks will cause a kernel panic when booted up. This is because they do not contain the kernel extensions needed for this video card. There is a question. Does anyone know how to create and burn a reinstallation DVD with OS X leopard version 10.5.2 on it? This would help solve this reinstallation problem

this is a advisory to whom it may concern
here my latest reply from a apple product specialist how was very good and helpful but only
give me this to my upgrade answer !
i want to upgrade my graphic card to 8800 and run tiger on my 1st gen macpro
here it goes:
"This article indicates what cards are supported in what machines: http://docs.info.apple.com/article.html?artnum=305346
Your Mac Pro is the first generation, and did not have PCI-Express 2.0 slot like the current generation does have.
Unfortunately, we don't foresee the release of any drivers for the 10.4 OS on this machine.
In regards to the second issue, we also don't support two video cards in two slots, using a different one for eash OS, there is no supported way to do this."
"Unfortunately, the latest version of the Mac Pro will not run Tiger, as it was manufactured after the release of Leopard, therefore the drivers for the machines hardware will not be available on Tiger."
hope thats cleared some ones Q.
kindly
S.

8800GT + 1st gen MP = PROBLEM

I ordered the 8800GT kit for older Mac Pro's from Apple store, and it has been installed 1 week. Running updated 10.5.2, by the way. Everything seemed fine for the first few days. My normal mode of operating is to 'sleep' the MP when done, and wake it with a key hit. I'll go weeks at a time without powering off/on. Oh, replaced a perfectly good X1900.
What normally happens with the 8800GT upon waking is, the card fan runs full speed for 10 seconds or so, then down to 'idle' and everything is working as expected.
A few days ago, I hit a key to wake, the 8800 fan comes on full speed as always, only it stays on full, and there is no video - the monitor stays black in sleep mode. After many minutes, I finally held down the power button to turn off, and then turned back on. It seemed to boot and work properly again.
But now it is happening every other day upon waking, 8800 card fan stays on full, there is no video, and I have to do a power reset.
Anyone else had a problem like this? In the meantime, I've put the old X1900 back in and will sleep/wake all day today to make sure it is not some other hardware problem that has surfaced coincidentally. So, anyone else?
John F

here a general update to whom it may concern
my latest reply from a apple product specialist how was very good and helpful but only
give me this to my upgrade answer !
i want to upgrade my graphic card to 8800 and run tiger on my 1st gen macpro
here it goes:
"This article indicates what cards are supported in what machines: http://docs.info.apple.com/article.html?artnum=305346
Your Mac Pro is the first generation, and did not have PCI-Express 2.0 slot like the current generation does have.
Unfortunately, we don't foresee the release of any drivers for the 10.4 OS on this machine.
In regards to the second issue, we also don't support two video cards in two slots, using a different one for eash OS, there is no supported way to do this."
"Unfortunately, the latest version of the Mac Pro will not run Tiger, as it was manufactured after the release of Leopard, therefore the drivers for the machines hardware will not be available on Tiger."
hope thats cleared some ones Q.
now my Q. IS the 1900xt better then the 7300xt and is the 8800 so much better then the 1900
with priority set to applications not gaming ?
thx
kindly
S.

Choppy video playback on my 1st Gen iMac G5

Everything from internet video to DVD playback on my 1st Gen iMac G5 is choppy and getting more so as time goes on. Can anyone tell me if this is a symptom of the defect that's covered under the extension plan or is this just some other problem?

Check the version in the Application Folder!
(I have had no problems at all after installing QT 7.5 on my G5 iMac in case you think it can't work at all.)
It is possible that something in either your pre-existing setup or your method of installing updates, are the root causes of whatever problems you are having with QT 7.5 particularly with choppy playback. Out of date plug-ins and add-ons could also be playing a part. Some users have found choppy playback to be associated with improperly loaded plug-ins and add-ons from third party vendors as well as those included by Apple with prior versions of Quicktime.
Third-party add-ons include DivX, Flip4Mac, or FLV components, while the included plug-ins are AppleIntermediateCodec.component, and AppleMPEG2Codec.component. The files for these are located in the root library, therefore a faulty component will load improperly for all users, resulting in choppy playback even when a user creates a new account. Some may need updating or just reinstalling to work with QT 7.5.
You should therefore:
Remove and re-add all quicktime components and plug-ins.
Navigate to /Library/QuickTime/
Move all plug-in ".component" files from the folder (to the Desktop, for instance)
Launch QuickTime and quit it again
Place the ".component" files back in the QuickTime library folder
Launch QuickTime again, and the choppiness should be better.
A few more things to try but in each case first close all applications and repair permissions.
1 Try opening then closing GarageBand, or launching then quitting the "Audio MIDI Setup" application located in Applications/Utilities. Failing that, go back to Audio MIDI Setup, and under the Audio Devices tab, make sure the Audio Output Format is 44100.0 2ch-16bit.
Restart your Mac.
2 Go to the Library on your main hard disk and find the Internet Plug-Ins folder. Try removing the following files:
QuickTime plugin.plugin
Quicktime plugin.webplugin
Restart your Mac.
Re-install the Quicktime 7.5 update
Go to Home/Library/Receipts and delete the file Quicktime 7.5 pkg.
Download from the Download page on the Apple site the correct version of Quicktime 7.5 for your Mac.
Install it and restart your Mac. Repair permissions.
3 If still no luck, it is time to look carefully at your plug-ins and add-ons. The safest way is to download and re-install all of them. The ones you need in order to see and hear virtually everything the web has to offer are:
RealPlayer 11 (which is no longer in beta) for Mac from:
http://www.versiontracker.com/dyn/moreinfo/macosx/15540
Flip4Mac WMV Player from http://www.microsoft.com/windows/windowsmedia/player/wmcomponents.mspx (Windows Media Player for the Mac is no longer supported, even by Microsoft)
Perian from http://perian.org/
You should read this support page http://perian.org/#support in case you need to delete older codecs.
Adobe FlashPlayer should first be uninstalled using the appropriate uninstaller available here: http://kb.adobe.com/selfservice/viewContent.do?externalId=tn_14157&sliceId=2 and then the latest version obtained from here: http://www.adobe.com/shockwave/download/download.cgi?P1ProdVersion=ShockwaveFlash and installed.
(You can check here: http://www.adobe.com/products/flash/about/ to see which version you should install for your Mac and OS.)
You should also ensure that you have downloaded and installed all the correct version for your Mac of all recent Security Updates.
(N.B. Security Updates require both a restart and a permission repair.)
In Macintosh HD/Library/Quicktime/ delete any files relating to DivX (Perian already has them). However it should be noted that Perian is not an internet plugin and will not play DivX files imbedded on a website. For that you will need the DivX Player browser plugin available from http://www.divx.com/divx/mac/
Now go to Safari Preferences/Security, and tick the boxes under Web Content (all 4 of them) to enable Java.
Lastly open Audio Midi Setup (which you will find in the Utilities Folder of your Applications Folder) and click on Audio Devices. Make sure that both Audio Input and Audio Output, under Format, are set to 44100 Hz, and that you have selected 'Built in Audio'.
Important: Now repair permissions and restart.
There is an additional 'fix' you could try if you are having problems with Flash and Quicktime, depending on which type of Mac you have:
On Intel Macs, make sure that you are not running Safari in Rosetta. You can check this, and change it, in the Get Info window.
On PPC Macs, go to the Hard Disk/Library/Internet Plug-Ins folder, and drag the file 'QuickTime Plugin.webplugin' to the desktop. Quit and restart Safari. If things have improved you can trash that file. If they haven't put it back, as the lack of this plug-in can cause QT content in some widgets to cease functioning.
If none of the foregoing worked, then you should consider and archive and install before repeating all of the above.

Confused about upgrading Video card on 1st Gen Mac Pro

When looking in the Apple store under video cards it looks like the 8800 or even the ati 2600xt say :
PCI Express 2.0 but under the reviews for the ati card there are a few posts that say they used this card to upgrade their '06 ' and '07 Mac Pro from the Nvidia 7300 ...
But if the older Mac Pro's dont have pci express 2.0 how can this be ?
I also have read that a nvidia 8800 for the 1st gen mac pro may come out but what if it does not ? Whats the deal ? Will there be a video upgrade path for the 1st gen mac pro or not ?
Why are we being " left out " in the cold for buying a machine a year and a half ago ?
So basically there is the 7300 or the ati 1900 and thats it for the 1st gen mac pro's ?
Even my 4 year old PC has video options and its agp !

If you are bored you might be able to find an early post of mine from the early MacPro days when I commented that MacPro buyers should only buy if they can live with never being to upgrade the graphics card. Apple is Apple and if you know the history of Apple you know that graphics cards are all but ignored. I remain hopeful that Apple, through nVidia, comes out with an 8800 for older Mac Pros, but I don't count on it. The MacPro line has glaring strengths and glaring weaknesses and the dearth of video cards is a glaring weakness. Still better a MacPro with this weakness than a PC box, but with no official word from Apple and all this expectation from a single comment by an nVidia PR person (PR for gosh sakes!), I don't find the rumor to be terribly credible. Hope I'm wrong. Very much so. Hope the oft quoted email by steve j. regarding it being looked at is on the money and we have an announcement tomorrow. Holding my breath till then....

Choosing a video card for 1st gen (1,1) mac pro

Hey all,
Buying a video card for my mac pro to upgrade from the stock 256mb nvidia, and have narrowed it to these three cards.
ATI X1900 XT
Nvidia 8800GT
ATI 4870
I know to make sure I buy the versions compatible with my generation mac pro etc, but they're all relatively close in price (within $100), so barring comparison in that area, which of these cards are the best? Or are they all pretty equal? I know very little about video cards.
Also, as an aside, does the ATI 4890HD work with 1st gen mac pros? I've seen ebay auctions claiming they do, but I know better than to take them at face value.

I wouldn't touch the X1900 overpriced and old.
The 8800GT is hard to find but can be on ebay even for 1st gen
ATI 4870 from Apple is safe bet.

New iTunes videos won't sync with Apple TV (1st Gen)

I have two Apple TVs (1st Gen) that have been working wonderfully. I've had no problem in the past downloading videos from iTunes even as recently as a month or two ago. However, after upgrading both my OS (10.8.2) and my iTunes (10.7) my most recent download (a series subscription) won't sync. I'm ruling out a problem with the Apple TVs specifically as it is happening with both. The message I'm getting is "[SHOW] could not be copied to Apple TV because it cannot be played on this Apple TV". This is the same message I get whether trying to sync the HD (720) or SD version. Thoughts?

You can re-download SD content purchased from the iTunes store (availability varies depending on location) using the purchased option from the Quick Links section in the top right corner of the iTunes homepage in your iTunes application on your computer, uncheck the preference to download HD in the bottom right corner.

Choppy video on 1st Gen MacPro w/Nvidia 8800GT card

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