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Centris 610 PowerSupply -> AT/ATX?!
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Addicted to MacNN
Join Date: Jan 2000
Location: Stoneham, MA, USA
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I'm trying to build a little PC. I feel ashamed, as I should. Nevertheless, I am trying to build it into a Centris 610 case (same as PowerMac 6100, for the most part). The powersupply is an 86Watt. This is going to be a slow, basic PC, so that should be plenty, but is there a way to connect it to a PC motherboard?
Or, I know generally PC powersupplies are huge, does anyone make 100 Watt or so ones that are much smaller form factor? And preferably dirt cheap too?
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Moderator  Join Date: Apr 2001
Location: Up In The Air
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you want to buy a 1U ATX power supply. They sell these in the normal 300watt range, and they're about the same size as the Centris supply, and will mount up with little modification.
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If this post is in the Lounge forum, it is likely to be my own opinion, and not representative of the position of MacNN.com.
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Addicted to MacNN
Join Date: Jan 2000
Location: Stoneham, MA, USA
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I'm having a hell of a time finding a power supply. It needs to be no more than 2.5 inches tall. however I don't need 300 watts, 100 would be enough, and I don't wanna spend much money at all, used on ebay would be great. But I just can't seem to find one of these bizznatches?
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Mac Elite
Join Date: Feb 2001
Location: Texas!
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Does the PC need an AT or ATX power supply? If there is a single socket on the motherboard, it's ATX. If there's a row of pins, then it's AT, and it would be easy to make it work with the Centris supply.
All you need is a to measure the output on the Centris P/S with a multimeter, and check the voltages against the AT pinout. Then, match voltage to voltage. It's probably gonna take a little splicing.
--------------- AT power supply ---------------
P8-1 +5V SENSE/RETURN (POWER OK)
P8-2 +5V
P8-3 +12V
P8-4 -12V
P8-5 GND
P8-6 GND
P9-1 GND
P9-2 GND
P9-3 -5V
P9-4 +5V
P9-5 +5V
P9-6 +5V
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-- | T () /\/\ /.\ T () --
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Addicted to MacNN
Join Date: Jan 2000
Location: Stoneham, MA, USA
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Does anyone know where I can get a map of the Centris power supply? Then I can be doubly sure? ALso, what is that first one, P8-1? Don't get it. Also, can anyone verify that map itomato posted. Not that I don't trust him or anything, but I'm going to be using that and i'd hate to electrocute myself or fry my board due to a type or something.
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Addicted to MacNN
Join Date: Jan 2000
Location: Stoneham, MA, USA
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OK screw my last post....
Anyway I tested and this is what I came up with on the Centris power supply...
Its close. Now its been a while since I've taken a physics class. How exactly do I connect these two? Feel free to copy my image and draw right on top of it.
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