Archived from groups: alt.comp.periphs.mainboard.fic (
More info?)
Until you get a momentary power switch, try touching a screwdriver to
the 2 power pins on the motherboard for a second or two. You can also
try connecting the "reset" button to the power switch pins and use that
in the meantime.
--Alex
Robert Akins wrote:
> Exactly. Won't work without a new 2-wire momentary power switch which plugs
> into the RPW_SW header on the motherboard, next to the HDD LED and Power LED
> connectors. See example at this page:
>
http://www.pccables.com/03201.htm
> Robert
> "Gerald Abrahamson" <jerryab@visi.com> wrote in message
> news:0b66r0p9fhov3jjlkegsmpum1b256m81k5@4ax.com...
>
>>On Sun, 05 Dec 2004 08:11:40 -0600, David Rhodes
>><jimdigriz1970@yahoo.com> wrote:
>>
>>
>>>On Sun, 05 Dec 2004 07:10:06 GMT, "Robert Akins"
>>><robert.akins2@verizon.net> wrote:
>>>
>>>
>>>>You have a momentary contact power switch with a 2-pin connector plugged
>>>>into the motherboard, right? Are you sure you have the power switch
>>>>connector on the correct pins on the header? To be specific, the
>
> RPW_SW?
>
>>>>Try clearing the CMOS with the battery removed? This is a known good
>
> power
>
>>>>supply, right? External rocker switch on power supply turned to on,
>>>>correct?
>>>>Robert
>>>>
>>>
>>>
>>>The PS is brand new right out of the box, Antec 350W Smartpower. The
>>>only connections out of the PS are the main, the periphs, the floppy
>>>drive connection, an aux connector which looks like one half of the AT
>>>main power connector, a 12v 4pin connector (but I have seen nowhere on
>>>the MB for this one), and a 3 pin fan power connector. The power
>>>switch is 4 pin, different kind of connection though, and was with the
>>>old AT PS. Yes external switch is on.
>>>
>>>Thanks
>>>David
>>
>>ATX PS and mb is totally different than AT in terms of how it is
>>connected and functions.
>>
>>1. ATX requires a different pushbutton system start-up than the AT
>>(AT uses continuous 4-wire on-or-off, ATX uses a momentary
>>switch), so the switch needs to be changed to the correct type.
>>
>>2. The momentary switch now needs to be connected to the ATX pins
>>on the mb (same strip as the HDD lights, etc).
>>
>>3. Set the AT/ATX PS header to ATX.
>>
>>4. Connect the PS to the mb (I think this only goes one way).
>>
>>Should now start when both the PS is turned on AND the momentary
>>button is hit.
>>
>>Regards, Jerry
>
>
>