[Cube] Power supply replacement.

[James Deamara]

Hi.

I'm not sure about that myself.  I assume that the dc-dc board handles all the loads, monitor included.  It is definitely used to step down the 28V to other, more standard voltages (i.e. 5V, 12V) found within the computer.
The voltage/current is supplied to the monitor via the video card, and the video card is powered from the system bus...I think.  The dc-dc board just handles the MB/processor voltages and not the voltages on the system bus?

Does anyone out there know for sure?
 
James. 

----------------------------------------
> From: stevendive at mac.com
> To: cube at listserver.themacintoshguy.com
> Subject: Re: [Cube] Power supply replacement.
> Date: Fri, 30 May 2008 19:47:28 +0100
> 
> I'm not absolutely sure but I believe the monitor does not get its  
> power via the Cube's DC-DC board anyway. Anyone care to confirm or  
> reject this?
> 
> Steve
> 
> On 29 May 2008, at 20:41, James Deamara wrote:
> 
>> Without the need
>> to power a monitor thru the apple display connector on the video  
>> card should
>> reduce the current requirement of the external power supply by about  
>> 4A (as
>> noted in the cube specs).
> 
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