[1stPickPCHelp] Re: Power Supply Replacement

["Mike" <mikebike@xxxxxxxxx>]

Hi Gt,
yes some companys use power supplies that do not match any other makes.

See; http://www.informit.com/articles/article.asp?p=31105&seqNum=4
PC Repair and Maintenance: In-depth Look at Power Supply
By Scott Mueller.
Sample Chapter is provided courtesy of Que.
Date: Feb 28, 2003.
 Motherboard Power Connectors
Every PC power supply has special connectors that attach to the motherboard,
giving power to the system processor, memory, and all slotted add-on boards
(ISA, PCI, AGP). Attaching these connectors improperly can have a
devastating effect on your PC, including burning up both your power supply
and motherboard. The following sections detail the motherboard power
connectors used by various power supplies.

AT Power Supply Connectors
Industry standard PC, XT, AT, Baby-AT, and LPX motherboards all use the same
type of main power supply connectors. These supplies feature two main power
connectors (P8 and P9), each with 6 pins that attach the power supply to the
motherboard. All standard PC power supplies that use the P8 and P9
connectors have them installed end to end so that the two black wires
(ground connections) on both power cables are next to each other. Some power
supplies have them labeled as P1/P2 instead. Because these connectors
usually have a clasp that prevents them from being inserted backward on the
pins on the motherboards, the major concern is getting the two connectors in
the correct orientation side by side and also not missing a pin offset on
either side. Following the black-to-black rule keeps you safe. You must take
care, however, to make sure that no remaining unconnected motherboard pins
exist between or on either side of the two connectors after you install
them. A properly installed connector connects to and covers every
motherboard power pin. If any power pins are showing on either side of the
connectors, the entire connector assembly is installed incorrectly, which
can result in catastrophic failure for the motherboard and everything
plugged into it at the time of power-up. Figure 3.6 shows the P8 and P9
connectors (sometimes also called P1/P2) in their proper orientations when
connecting.
++ There is more on the web site.

Mike ~ one of the Moderators
It is a good day if I learned something new.
Editor MikesWhatsNews http://www.mwn.ca/ 
Seasons Greetings
http://www3.telus.net/mikebike/Xmas.htm
******* Mike's  REPLY SEPARATOR *********

On 12/23/2004 at 3:56 AM gt wrote:

When facing the dilema of replacing the power supply of a computer; does
the 
brand name of the computer or the motherboard decide which power supply is 
needed?  Are all power connectors for the mother board universal in 
configuration?  I was informed by a friend that the motherboard power 
connectors for certain name brand computers is not.  Which really surprised 
me.  Was he telling me the truth? 


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• References:
  • [1stPickPCHelp] Power Supply Replacement
    • From: gt

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