>
>These are the markings on the HP power supply
>----
>Output
>+5V 29.0A MAX
>+12V 4.0A MAX
>(7.0A 15SEC)
>+3.3V 16A MAX
>-12V 0.5A MAX
>-5V 0.5A MAX
>
>Markings on a generic power supply,
>----
>Output
>+5V 20.0A
>+12V 8.0A
>-5V 0.5A
>-12V 0.5A
>
>Both of them have the same connectors/size...

The Generic Supply will not work,
The # 1 reason it has no + 3.3 Volt line
      # 2 the + 5 volt is 9 Amps low
When replacing a power supply always be sure all Voltages are the same and
the Amperage is equal to or greater than the original.

Bob Thrasher