Any suggestions, please? -UPDATE - BUT JOY

[Basil Chupin]

On 12/09/2010 19:30, David Fletcher wrote:
> On Sunday 12 September 2010 07:56:48 Basil Chupin wrote:
>    
>> Well, I have followed everyone's advice - except for one from Dotan -
>> and after "stripping" the mobo and testing and then "populating' it
>> again and testing I have found that:
>>
>> 1. the 12V and 5V outputs from the Antec PSU are spot on with their
>> voltages;
>>
>> 2. the mobo is getting the 12V, from the additional socket, without
>> which the system will not boot;
>>
>> 3. the mobo is getting power because the graphic card is getting the
>> power from the mobo and not from any Molex connector (like my normal
>> card does);
>>
>> 4. the LED for the RAM is lit when the power is on so there again there
>> is power to the mobo (?by way of the ~2.5V rail);
>>
>> 5. all the fans (7) are spinning and both the HDs are running - one of
>> the older ones is even trying to read something (I can hear the heads
>> moving by using a simple "stethoscope");
>>
>>      
> I've lost track of much of this thread, but this sounds exactly like the fault
> I've seen before - the signal for the motherboard to boot not working. This
> is picked up by the ATX PSU tester.
>
> Is it still the original PSU or has it been swapped?
>    

Still the original PSU - in as far that it is an Antec (550W) which 
replaced the original earlier model on an Antec (450W) which I was using 
when I built the system.

BC

-- 
Fact is that which enough people believe. Truth is determined by how fervently they believe it.