Xfi elite power + tagan rails

ted34

ted34

ted34

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Have a x-fi elite pro and it needs a fdd molex connected to the card to power the external console. The psu is a 530v tagan u22 powering a dfi expert, x2 cpu, 3 hd, 2 dvd drive, few fans, 7900gt extreme. All hard drives are connected via sata to the nvidia controller and when i first plugged in the creative card and molex 2 hd's dissappeared from bios (sata 1 and sata 2 ports). Unplugged and re-plugged in and problem gone. Then yesterday a bsod and 2 drives missing on restart - removed the molex and drives back again. The power comes off a single molex lead which has nothing else plugged into it except for the fdd molex to the dfi board.

How much power does a elite pro console box use and why does it take 2 drives out?
 
Its the tagan u22 530w. I would have thought it should easy be enough power for the system. It has the dual 12v rails which are switchable to single but i think i have it set on dual 12v rails
 
This is really strange, I'd have sworn that no piece of add on sound hardware could have an effect on such a powerful PSU. Something funny's going on there :confused:

Its possible that your Xfi gear is faulty. You easily have enough power on tap there. It couldn't be anything to do with interupts could it?
 
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Its weird. The x-fi works perfectly ok but i guess it could be a problem with the card. I think removing the external console has helped with my overclocks as well but will have to confirm that later. The hard drives are connected on a seperate cable coming out of the psu and the only other item connected to the cable the x-fi is attached to is the dfi expert fdd connector but as theres only a single 7900 gt extreme on the board i doubt that has anything to do with it. Its weird that such a big console box has no external power but then also nice that theres not another plug to worry about.

What do you mean by interrupts?
 
With Interupts, I mean a resource conflict. Go to device manager and select view resources by type. If you have too many items sharing one IRQ it can cause problems. This is a long shot though as most hardware these days is quite happy to share IRQ's with other devices.
 
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