NVIDIA GeForce 7800GT: is just about to pack in - HELP

NVIDIA GeForce 7800GT: is just about to pack in - fan is running like a lawnmower. It is the card that came with original comp.
Have new Radeon 9800 Pro graphics card - which is suitable for my G5 Quad - Machine Name: Power Mac G5 Quad Machine Model: PowerMac11,2 CPU Type: PowerPC G5 (1.1) - problem is - fitting it. The new card comes with Y connection cables - that need to be connected to the cd/dvd drive to get it's power.
MAJOR PROBLEM - the cable sets for the optical drive - are old - and bear no resemblance to the Y cable set for new card in that the power in/out are combined into 1 cable - not a male/female needed??? I only have 1 optical drive bay???
Hoping someone has experienced this when upgrading graphics card - and found a fix for cable problem?

I'm scared to say it - but here Goes - SUCCESS.............
Firstly, maybe My Quad was built on a Friday or a Monday - cos what should have taken a jittery old man like my myself - 30 mins - ended up as 2 hours +. The pics are all correct in the help sections - and the fan is UNBELIEVABLE - however - there is one snag;
Secondly, if u suffer from nerves - get a techie to do it - or at least a computer inards savvy person. It is, fiddely - nerve racking - and needs a few modifications + patience;
Thirdly - if u or someone else does it - _*take off*_ the aluminium cradle - the card sits on - or you'll end up in all sorts of bother - it will need modification once u have the fan fitted so;
Fourthly, the end of the cradle that slides into the support groove - hacksaw/cut off at the 3rd screw = L__here so 2 screw holes left on the supporting front edge and 1 corner hole left - why? -
Finally, my 1st attempt was a failure - because I didn't do Fourthly. The card wasn't fully supported - and must have slipped it's connections - and/or it may have temporarily shorted. It is vital you keep the card supported and level.
My graphics have improved - I kid you not. My Graphics chip now runs at 43-45c - before the new fan >84c+ and even up to 110c at a scary time.
AND IT IS SO QUIET - thank you Japamac - without your guidance and suggestions - it would have been a very expensive - back up computer. Best regards, B

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Quote from: BG84 on 12-August-06, 23:42:56
what brand, where are you, how much?
MSI Nvidia GeForce 7800GT 256mb PCI-Express Dual DVI + TV Out
NX7800GT-VT2D256E
Not far from Birmingham
Price, really don't know. whats your best offer?

Nvidia GeForce 7800GT

Hi
Can anyone tell me the safe operating temperature range for the GeForce 7800GT in a Quad G5 , I was not able to find any reference to this on the Apple sites , I have set Temperature Monitor to warn me at 85 degrees Celsius and it reaches 85 degrees Celsius after 4 or 5 minutes of running the Apple screen saver "iTunes Art Work" or anything that has allot of movement and color in it. Is it safe to put the temp monitor warning for the Graphics Processor to a higher value as I don't want to damage the Quad. It's running a 30" and a 23" Apple display in a room that is kept is a constant 20/21 degrees Celsius. Or is the 7800GT indeed faulty.Any clues on this would be appreciated.
Cheers in advance.
DataGrub
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Here's a test run that includes temperature analysis(GTX):
http://www.pcmoddingmy.com/e107_plugins/content/content.php?content.294.22
Here is a test on a GT, where the core stayed under 80 degrees throughout:
http://www.digit-life.com/articles2/video/g70-4.html
Here is a test review stating temps run around 65 degrees:
http://www.epinions.com/content_212509429380
Found user reviews on Cnet with some mention of high temps.
Nvidia is fairly noncommittal on temp:
http://nvidia.custhelp.com/cgi-bin/nvidia.cfg/php/enduser/stdadp.php?p_faqid=1844&p_created=1144886204&p_sid=BJmnQ8si&p_accessibility=0&p_red irect=&p_lva=&p_sp=cF9zcmNoPTEmcF9zb3J0X2J5PSZwX2dyaWRzb3J0PSZwX3Jvd19jbnQ9MjQmc F9wcm9kcz0yJnBfY2F0cz01OSZwX3B2PTEuMiZwX2N2PTEuNTkmcF9zZWFyY2hfdHlwZT1hbnN3ZXJzL nNlYXJjaF9mbmwmcF9wYWdlPTEmcF9zZWFyY2hfdGV4dD1vcGVyYXRpbmcgdGVtcGVyYXR1cmU*&p_li =&ptopview=1
This said, I wonder if you are running the latest driver- found references to temperature reporting discrepancies under previous versions. Unfortunately, there are no Mac drivers referenced on the Nvidia site.
If you are experiencing no performance issues during the higher temperature condition, it might be a problem of inadequate airflow around the card (as well as case exhausting). One might consider a fan upgrade. t
This fan by Arctic Cooling provides DRAMATIC improvement in temp and noise:
http://www.arctic-cooling.com/vga2.php?idx=91
That's about all the help I can be.
G4 AGP(450)Sawtooth Mac OS X (10.4.8) 2ghzPPC,1.62gbSDRAM, ATI9800, DVR-110D,(IntHD)120&160,LaCie160,23"Cinema Display

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Martin,
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NVIDIA GeForce 7800GT: is just about to pack in - HELP

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