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 Post subject: Power supply question.
PostPosted: Tue Jul 27, 2004 9:27 am 
8086
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Joined: Mon Jul 12, 2004 12:24 pm
Posts: 39
Location: Texas
Hey guys, I've got a question. I'm wanting to replace the stock power supply in my Dell computer (which is only a 250 watt PS) with an Antec 480 watt PS and I'm wondering does anyone know whether or not this is possible? The reason is that I know that Dell uses a lot of proprietary parts (motherboards) and I'm hoping that they didn't change some wiring around so that you would have to get a PS from them. Thanks for the help in advance.


My specs.......

Dell Dimension 8250
P4@3.06 Ghz
1024 Mb 1066 Rdram
Radeon 9700 pro (slightly overclocked)
WD 200 gig Hard drive @ 7200 RPM
Sound Blaster Audigy 2
XP home


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 Post subject:
PostPosted: Tue Jul 27, 2004 9:40 am 
Northwood
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Joined: Mon Jun 28, 2004 7:38 pm
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hmmm.....to me its possible but it depends on the case, hopefully the antec power supply will fit in. i suggest you try it and see. im optimistic about it though.


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 Post subject:
PostPosted: Tue Jul 27, 2004 9:59 am 
8086
8086

Joined: Mon Jul 26, 2004 11:52 am
Posts: 34
Shouldnt be a problem but as stated above, Dell cases tend to be on the small side, so you might not be able to fit the PSU in the case.


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 Post subject:
PostPosted: Tue Jul 27, 2004 10:21 am 
8086
8086

Joined: Mon Jul 26, 2004 8:40 am
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Location: Illinois, in the U.S. of A.
If anything, it will be a physical fit problem, not wiring. You may have to do, say, a little "modding" and tinkering around, but otherwise, you shouldn't have to do any complicated re-wiring or anything.


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 Post subject: Watch out
PostPosted: Tue Jul 27, 2004 10:42 am 
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Joined: Thu Jul 01, 2004 12:17 pm
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Location: Chicago area
I recall reading (I'm pretty sure it was in MaxPC, but I cannot recall which month) that Dell does not use the standard ATX wiring specification even though their connectors use the same pin count.

Here's a link that gives the wiring diagram for standard ATX vs. Dell's connector.

Do some homework before you shell out for a new power supply.

Hope that helps.


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 Post subject:
PostPosted: Tue Jul 27, 2004 11:14 am 
8086
8086

Joined: Mon Jul 12, 2004 12:24 pm
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Location: Texas
Ahhhh, now THAT'S what I'm looking for! I don't have a problem doing some homework on it, but I needed to be pointed in the right direction. Thanks again


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 Post subject:
PostPosted: Tue Jul 27, 2004 1:08 pm 
8086
8086

Joined: Mon Jul 26, 2004 8:40 am
Posts: 55
Location: Illinois, in the U.S. of A.
Did you not have a choice on the PSU for your PC system? I would hope that they offer juicier PSU than 250W. That might not even be 250W due to the decline of power output due to heat.


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 Post subject:
PostPosted: Tue Jul 27, 2004 2:19 pm 
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you can check out http://www.pcpowerandcooling.com to find an alternate PSU to the Antec that should definitely fit in your case.


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 Post subject:
PostPosted: Wed Jul 28, 2004 7:56 am 
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the other day in my dell dimesion my floppy went bad. I changed the floppy and everything but alot of the parts were looked custom by delll. I didnt pay close attention to the psu tho


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 Post subject: proprietery psu connector
PostPosted: Wed Jul 28, 2004 8:14 am 
8086
8086

Joined: Wed Jul 28, 2004 8:07 am
Posts: 24
Location: Long Island, NY
Many Dell's use a proprietary PSU & motherboard connector. What I recommend is opening up the case & taking a look at the connection to the motherboard. Usually it's a standard ATX connector, with an additional pigtail connection to another connector on the mobo. Many aftermarket PSU's provide this additional connector though, you'll just need to do a little homework :)

HTH,
Bill


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 Post subject:
PostPosted: Wed Jul 28, 2004 10:24 am 
8086
8086

Joined: Mon Jul 26, 2004 8:40 am
Posts: 55
Location: Illinois, in the U.S. of A.
That's just one of the many reasons why I'll only build my own computer, not buy them from an OEM (well, except for Alienware). I like to know every component that goes into my computer.


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 Post subject:
PostPosted: Sat Jul 31, 2004 10:05 am 
Willamette
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My advice is not to put the power supply in. I've heard horror stories about dell and changing the PS


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 Post subject:
PostPosted: Sat Jul 31, 2004 10:20 am 
Bitchin' Fast 3D Z8000
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Dell's do / did use a proprietary PSU, You can't just look and see if it's got special connectors cause it looks like a regular ATX, it's just wired differently 12V where 5V would be on a normal PSU, etc. You can find some directions for modding a dell powersupply to work on a standard ATX MB here, it should be fairly straightforward from those on how to modify a standard ATX PSU to work on a Dell motherboard.


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