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ATX Mainboard using an Mini-ITX Power-supplay

 
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Steve-Kai Vyska

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Since: Apr 15, 2004
Posts: 5



(Msg. 1) Posted: Fri Apr 16, 2004 2:14 am
Post subject: ATX Mainboard using an Mini-ITX Power-supplay
Archived from groups: alt>comp>hardware>homebuilt (more info?)

Hi,

I have an AMD K6/2 Mainboard and try to connect it to an Mini-ITX Power
Supply having 150W

When I start the Computer it powers up but turns off 3 sec after start.

Can someone tell me why? Or is it not possible to connect the ITX
Power-supplay to an normal ATX Mainboard.

Thanks

Steve

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kony

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Since: Jan 03, 2004
Posts: 6148



(Msg. 2) Posted: Fri Apr 16, 2004 2:14 am
Post subject: Re: ATX Mainboard using an Mini-ITX Power-supplay [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

On Thu, 15 Apr 2004 23:14:19 +0200, Steve-Kai Vyska <steve.DeleteThis@vyska.de>
wrote:

 >Hi,
 >
 >I have an AMD K6/2 Mainboard and try to connect it to an Mini-ITX Power
 >Supply having 150W
 >
 >When I start the Computer it powers up but turns off 3 sec after start.
 >
 >Can someone tell me why? Or is it not possible to connect the ITX
 >Power-supplay to an normal ATX Mainboard.
 >
 >Thanks
 >
 >Steve

It sounds like the problem isn't necessarily that it's a mini-ITX supply
but that, that particular power supply is insufficient capacity (or
failing) for the system attached. If you have multiple hard drives or
anything but a low-end video card in use you might try reducing the load,
unplugging drives or swapping in a low-powered video card.<!-- ~MESSAGE_AFTER~ -->

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Wes Newell

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Since: Jul 20, 2004
Posts: 1094



(Msg. 3) Posted: Fri Apr 16, 2004 2:14 am
Post subject: Re: ATX Mainboard using an Mini-ITX Power-supplay [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

On Thu, 15 Apr 2004 23:14:19 +0200, Steve-Kai Vyska wrote:

 > I have an AMD K6/2 Mainboard and try to connect it to an Mini-ITX Power
 > Supply having 150W
 >
 > When I start the Computer it powers up but turns off 3 sec after start.
 >
 > Can someone tell me why? Or is it not possible to connect the ITX
 > Power-supplay to an normal ATX Mainboard.
 >
PSU overload protection maybe.

--
Abit KT7-Raid (KT133) Tbred B core CPU @2400MHz (24x100FSB)
<a style='text-decoration: underline;' href="http://mysite.verizon.net/res0exft/cpu.htm" target="_blank">http://mysite.verizon.net/res0exft/cpu.htm</a><!-- ~MESSAGE_AFTER~ -->
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Steve-Kai Vyska

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Since: Apr 15, 2004
Posts: 5



(Msg. 4) Posted: Fri Apr 16, 2004 2:14 am
Post subject: Re: ATX Mainboard using an Mini-ITX Power-supplay [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

I have only connected an old Elsa Erazor PCI VGA-Card and no drives, but
there is the same problem.

Steve
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Steve-Kai Vyska

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Since: Apr 15, 2004
Posts: 5



(Msg. 5) Posted: Fri Apr 16, 2004 2:14 am
Post subject: Re: ATX Mainboard using an Mini-ITX Power-supplay [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

 > PSU overload protection maybe.

And this means what?

Steve<!-- ~MESSAGE_AFTER~ -->
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Patrick3

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Since: Mar 15, 2004
Posts: 54



(Msg. 6) Posted: Fri Apr 16, 2004 2:14 am
Post subject: Re: ATX Mainboard using an Mini-ITX Power-supplay [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

Steve-Kai Vyska wrote:
 > I have only connected an old Elsa Erazor PCI VGA-Card and no drives, but
 > there is the same problem.
 >
 > Steve
Number 1 cause for a PSU to switch off as soon as the DC voltages rise
(or should have risen!) is a dead cpu, or a direct short circuit on the
mainboard... on a memory strip...<!-- ~MESSAGE_AFTER~ -->
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Wes Newell

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Since: Jul 20, 2004
Posts: 1094



(Msg. 7) Posted: Fri Apr 16, 2004 6:44 am
Post subject: Re: ATX Mainboard using an Mini-ITX Power-supplay [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

On Fri, 16 Apr 2004 00:07:46 +0200, Steve-Kai Vyska wrote:

  >> PSU overload protection maybe.
 >
 > And this means what?
 >
When the power drain reaches a critical stage, the psu discconnects output
to keep from overloading the circuits in itself and blowing up some
components.

--
Abit KT7-Raid (KT133) Tbred B core CPU @2400MHz (24x100FSB)
<a style='text-decoration: underline;' href="http://mysite.verizon.net/res0exft/cpu.htm" target="_blank">http://mysite.verizon.net/res0exft/cpu.htm</a><!-- ~MESSAGE_AFTER~ -->
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Steve-Kai Vyska

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Since: Apr 15, 2004
Posts: 5



(Msg. 8) Posted: Fri Apr 16, 2004 1:02 pm
Post subject: Re: ATX Mainboard using an Mini-ITX Power-supplay [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

Hi

 > When the power drain reaches a critical stage, the psu discconnects output
 > to keep from overloading the circuits in itself and blowing up some
 > components.

ah OK i see. But is it normally possible to use an Mini-ITX Power Supplay
with an K6/2 Mainboard?

Steve<!-- ~MESSAGE_AFTER~ -->
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Wes Newell

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Since: Jul 20, 2004
Posts: 1094



(Msg. 9) Posted: Sat Apr 17, 2004 12:37 am
Post subject: Re: ATX Mainboard using an Mini-ITX Power-supplay [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

On Fri, 16 Apr 2004 13:02:46 +0200, Steve-Kai Vyska wrote:

 > Hi
 >
  >> When the power drain reaches a critical stage, the psu discconnects output
  >> to keep from overloading the circuits in itself and blowing up some
  >> components.
 >
 > ah OK i see. But is it normally possible to use an Mini-ITX Power Supplay
 > with an K6/2 Mainboard?
 >
I have no clue. 150w sounds too small to me though.

--
Abit KT7-Raid (KT133) Tbred B core CPU @2400MHz (24x100FSB)
<a style='text-decoration: underline;' href="http://mysite.verizon.net/res0exft/cpu.htm" target="_blank">http://mysite.verizon.net/res0exft/cpu.htm</a><!-- ~MESSAGE_AFTER~ -->
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