TSGL: New PSU - new connectors

H Davis hdavis1 at gmail.com
Mon Nov 12 10:52:40 EST 2007


Tilman,

Lots of good description of connectors here:
http://www.playtool.com/pages/psuconnectors/connectors.html

This pdf has descriptions of all the pins on the 20 pin connector and 
others but not the 24 pin (look around pg 29).
http://www.formfactors.org/developer%5Cspecs%5CATX12V_1_3dg.pdf
Similar info at:
http://www.jeae.dk/Computere/atx_-_psu.htm

Read all the reviews here:
http://www.newegg.com/Product/ProductReview.aspx?Item=N82E16812101122

The first post here refers to a 6 pin to 4 pin conversion but in 
reference to a graphics card:
http://www.overclock.net/other-hardware-mods/236882-make-pci-express-6-pin-power.html

HTH, good luck,

H Davis

jonpan wrote:
> Tilman,
>
> I reckon the reset button normally has a two-wire connection directly from 
> the button to two pins on the MB. Is it possible you pulled these and didn't 
> re-connect, or connected to other pins?I don't think it has polarity.
> I'll send you a scan of the connections to a reasonably new MB K9VGM-V from 
> MSI, so you can compare 20 and 24 pins.
>
> John
> Od/G
>
> ----- Original Message ----- 
> From: "Tilman Brandl" <tbrandl2 at chello.at>
> To: "Tech Support Guy Mailing List" <List at tsgserver.com>
> Sent: Monday, November 12, 2007 11:33 AM
> Subject: TSGL: New PSU - new connectors
>
>
> Hi,
>
> I hope anybody out there can help me:
>
> I've bought a new PSU, the guy there told me it wouldn't be a problem to 
> connect it with my ASRock Mobo ...
>
> Unfortunately I found that the new PSU has other plugs connectors than the 
> one before, where I'm talking about the 2 plugs fitting into the MOBO 
> connectors only:
>
> - The previous 20 pin main plug has become a (I believe) 24-pin plug. I've 
> ignored the additional 4 pins on one side, following the color codes the 
> cabling had on my old and the new PSU. This seems to work fine...
>
> - the previous 4-pin plug has 6-pins now, while my mobo only has the old 
> 4-pin connector, of course. Here the colored wires didn't really help, I've 
> just connected the 4 pins on the left hand side, leaving the additonal 2 
> pins alone ... like that:
>
> New plug, getting plugged into the mobo connector below ->
> from PSU       =             connector-hook
>                 x    x    x
>                 x    x    x
>
> to Mobo       _
>                 o    o
>                 o    o             old mobo connector
>
> Only problem that's left apparently is that I can't (soft-)reboot my machine 
> correctly, the reset button doesn't work as expected either. I have no idea, 
> but guess it could be a problem with the above connectors. Any ideas 
> anybody? Otherwise my PC appears to work correctly after a nondestructive 
> repair from CD.
>
> TIA
> Tilman
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>
>
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>   

-- 
H Davis   hdavis1 at gmail.com




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