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9800 Pro Power...

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a b U Graphics card
March 31, 2005 3:58:59 PM

I know this is a power ?, but it relates to video cards so I thought i'd post it here...
Just got in my Sapphire 9800 Pro (128MB, 256 bit) in yesterday. Newegg has the best/fastest product delivery! I am a knuckle-head! I didn't do enough research and didn't realize that the 9800 Pro requires direct power from the PSU. There is a 4 pin Molex - looks like a HDD power adapter. [sad] Imagine my surprise when I open the box and see the cord plugged into the card! I now know that all cards with greater that consume more than 42W require additional power. Anywhoo, I have an Enlight 350W PSU that has 10A or 12A (don't remember off the top of my head and I'm not at home). What's the probability of being able to run this card on this PSU while OCing the CPU? I'm going to give to put it in the system tonight and I'm trying to gauge what success, if any, I should have...
Current system:
Soyo Sy-K7V Dragon Plus,
AMD 1500+ (Pally)
CDRW
40GB HDD
9800 Pro
FDD
(2) 80MM case fans

From the Wattage calculator, the max wattage I will be pulling is 239 Watts. That means that I would be running at about 68% of rated PSU wattage. I'm running at 58% right now with my GF2 GTS. These numbers do not include the FDD. Does anyone know the wattage a FDD will use (I would think 10-20W)? Assuming 20W, I'm at 64% now and will be at 74% after the 9800 goes into the system. Those obviously aren't great numbers...[sad] Thoughts?

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More about : 9800 pro power

March 31, 2005 4:17:53 PM

Your power supply's effectiveness will have more to do with how many amps it offers on the individual rails than on total wattage.

Regardless, I don't think you'll have a problem. The best way to find out is to try the card... if the PSU is sufficient, it'll run fine. if it isn't, it'll crash in demanding 3d games and apps.

It won't kill your card either way, it'll just crash the system. Insufficient PSU power will freeze or shut you down, it won't cause artifacts or messed up displays.

If you experience instability, replace the PSU with at least a 500w generic or 400w name-brand (preferably the 400w name brand).

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a b U Graphics card
March 31, 2005 4:32:34 PM

Thanks for the info! If it won't run, then I'll be going with something like the <A HREF="http://www.newegg.com/app/ViewProductDesc.asp?descripti..." target="_new">Fortron Blue Storm 500W</A> for $93 or the <A HREF="http://www.mwave.com/mwave/viewspec.hmx?scriteria=BA211..." target="_new">Enermax Whisper II 535W</A> for $104.72. Do you think the $11 is worth getting the Enermax over the FSP?

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a b U Graphics card
March 31, 2005 4:35:07 PM

I know either of these PSUs is overkill for this system. This system is an interim build and I want to be able to use as many components from this system as possible in the next build...A64 + R520(?) - who knows....

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<font color=red>You're a boil on the arse of progress - don't make me squeeze you!</font color=red>
March 31, 2005 5:23:19 PM

Both Fortron and Enermax have great reputations. What you should do is check out the specs and see which has more amps on the 12v rail.

Another good PSU in your price range is the X-connect, clean power and those nifty detachable power cables. Helps case airflow, too.

________________
<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>
a b U Graphics card
March 31, 2005 5:40:20 PM

Blue Storm has 15A per 12V rail.
Whisper II has 18A per 12V rail.

Do you have a clicky for the x-connect?

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<font color=red>You're a boil on the arse of progress - don't make me squeeze you!</font color=red>
March 31, 2005 6:03:24 PM

Nope, but Google is your friend. :) 

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<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>
a b U Graphics card
March 31, 2005 6:05:55 PM

I just told that to another guy in the cpu forum :redface:

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a b U Graphics card
March 31, 2005 6:33:52 PM

I just found the Whisper II on ZZF for $93.99 - free shipping! That's a good deal for that PSU. The X-connect is $74.99 at ZZF (not on Newegg) with free shipping. It got good reviews, but it's not ATX12V v2.0 (separate 12V rails). :frown:

I like the cable management of the Ultra and there is plenty of amperage on the 12V line...something to think about!

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a b U Graphics card
March 31, 2005 6:39:08 PM

Too bad the Ultra didn't fare too well the <A HREF="http://www.tomshardware.com/howto/20050228/power_supply..." target="_new">THG PSU Review</A> - the 3.3V line had some issues...

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<font color=red>You're a boil on the arse of progress - don't make me squeeze you!</font color=red>
March 31, 2005 8:01:10 PM

Forgive my ignorance, but what do you mean by ATX12v v2.0 (separate 12v rails)?

Do you mean the separate 4-pin 12v connector? Because the X-connect has one of those... or is it a standard I'm not familiar with?

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<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>
a b U Graphics card
March 31, 2005 8:29:07 PM

I was just trying to provide clarity because i've heard a lot of people refer to "a PSU with separate 12V rails," instead of saying the PSU was v2.0 compliant.

Here's THG's article on <A HREF="http://www.tomshardware.com/howto/20041223/index.html" target="_new">ATX12V v2.0</A>. One of the major features of v2.0 is the separate 12V rails, but it also comes standard with a 24-pin power connector. The v1.3 and below have a 20pin power connector for the mobo and will provide an extra 4 pin adapter for the 24 pin mobos....is that as clear as mud?

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<font color=red>You're a boil on the arse of progress - don't make me squeeze you!</font color=red>
March 31, 2005 8:59:48 PM

thats nice.

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am i a addict yet?

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March 31, 2005 9:07:45 PM

I'm not sure I understand. Help me out, wusy, you seem to know what's going on...

the old ATX standard is a 20-pin connector...

Is there any difference between a PSU with a 24-pin connector and a PSU with both a 20-pin and a 4-pin connector that can be used in conjunction?

________________
<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>
a b U Graphics card
March 31, 2005 9:30:56 PM

Here is an overview of the differences:
1. ATX Connector: Here are some pics of the new <A HREF="http://www20.tomshardware.com/howto/20041223/atx12v-24p..." target="_new">24 Pin ATX connector</A> for the mobo. There is an adapter that converts the 24 pin AXT connector to a 20 pin connector for older mobos.
2. SATA Power. v2.0 PSUs have dedicated <A HREF="http://www.tomshardware.com/howto/20041223/atx12v-24pin..." target="_new">SATA power cables</A> so you don't have to use a SATA power adapter.
3. Seaprate 12V+ Rails. There is a second +12V voltage slot for the CPU, so the other 12V current doesn't get overtaxed if there is a sudden surge in the CPU load.

Was that a little better?

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a b U Graphics card
March 31, 2005 11:20:07 PM

You're an addict already! Sheesh.

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a b U Graphics card
March 31, 2005 11:34:24 PM

I'm good to go...

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!