What rails is the R9800NP using?

[manbot]

i have some q's about the rails on r9800np:
1.What voltage rail is the GPU using on this card?
2.what voltage rail is the RAM using on this card?


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[cleeve]

I believe graphics cards use the 12v rail. Pretty sure about the GPU, not sure if the memory also uses it.

________________
<b>Radeon <font color=red>9700 PRO</b></font color=red> <i>(o/c 332/345)</i>
<b>AthlonXP <font color=red>3200+</b></font color=red> <i>(Barton 2500+ o/c 400 FSB)</i>
<b>3dMark03: <font color=red>5,354</b>

 

[addiarmadar]

Do you use a 4-pin molex connector to the card? Then its using 12v.

<i><font color=red>Only an overclocker can make a computer into a convectional oven.</i></font color=red>

 

[cleeve]

I'm pretty sure the motherboard feeds all video cards 12v regardless.

The molex connector only supplements power for cards that require more than the mobo can provide...

________________
<b>Radeon <font color=red>9700 PRO</b></font color=red> <i>(o/c 332/345)</i>
<b>AthlonXP <font color=red>3200+</b></font color=red> <i>(Barton 2500+ o/c 400 FSB)</i>
<b>3dMark03: <font color=red>5,354</b>

 

[addiarmadar]

Uh no they dont for the bios will allocate the voltage up to 2v for the new ones and 3v of the oler agp cards. Dont you have that option in your bois?

I was simply reposing to this person's posting by giving him a simple answer that the R9800s use the 4-pin molex connector which is 12v so that is what he has to monitor.

If you feed 12v through the AGP bus then any agp card will fry in seconds.

<i><font color=red>Only an overclocker can make a computer into a convectional oven.</i></font color=red>

 

[cleeve]

Hmmm... yeah, you're right that the mobo provides that low voltage of course. Don't know what I was thinking...

The motherboard uses the 3.3v rail to get basic operating power for the videocard, and steps it down as necessary. And if the card is one that needs more juice it takes 12v from the molex...

________________
<b>Radeon <font color=red>9700 PRO</b></font color=red> <i>(o/c 332/345)</i>
<b>AthlonXP <font color=red>3200+</b></font color=red> <i>(Barton 2500+ o/c 400 FSB)</i>
<b>3dMark03: <font color=red>5,354</b>

 

[addiarmadar]

Couldnt say it better than that!

<i><font color=red>Only an overclocker can make a computer into a convectional oven.</i></font color=red>

 

[manbot]

if the card really uses only the 12v from the molex, then how come i noticed a few days ago that the plastic packaging around the 5v molex wire is fryed? (brownish color, burnt smell)

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