Independent PSU for the AGP?

Kind of a theoretical question.

I was trying to rule out my current PSU on my rig from not giving enough juice to the AGP so I was wondering if I could grab another PSU to solely be plugged into my radeon 9800 pro without plugging it into my mobo. Is this a bad idea? Does the mobo regulate the current in each plug type? I wish to not perform this without knowing that it may blow up my agp card. Any thoughts and info would be appreciated. thanks.

Barton 2500+ @ 2200mhz (10x220 vcore @ 1.775)
Asus A7N8X Dlx 440 FSB
1gb Geil GD pc3500 Dual Channel (2-3-3-6)
Segata 80gb SATA 8.5ms seek
ATI Radeon 9800 Pro(420/700)
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  1. It would work fine, no problems there. You just have to know how to get the power supply to power up!

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  2. I was thinking the same thing. Instead of replacing my perfectly good 350w PSU for something more powerful, just using an older 200w for the hard drives. Mount it somehow and rig a power button so they both turn on at the same time, or just turn the hard drive one first.

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