old board shuttle AE23 won't boot anymore

  • Thread starter Thread starter Rainer Bitschi
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R

Rainer Bitschi

I have a very old mainboard Shuttle AE23 v1.1 and a cpu intel pentium3
800mhz and some ram 256mb. these components were running in this very bundle
for many years. then i removed it and had it in a box again for some years.
now i wanted to build up a secondary system with these 3 parts, i attached a
power supply, a agp graphics card and a keyboard. there is nothing else
connected.
the problem is when i turn on the system, the cpu fan starts, power led
lights up, the keyboard leds are flashing, and then... nothing. not even a
beep, just a very quiet sort of blop coming out of the speaker, as if one
turns off a big stereo amplifier. i tried different ram, different graphics
cards, so this cant be the problem. I noticed the small led on the board did
not light up when i connected power to it. after i replaced the bios
battery, it lights up as soon as power is connected. but this did not help
anything.
why is this board not running anymore??? it did so for a long time with this
cpu...
thanks for any ideas, Rainer
 
You will have to enter the bios and reset to the default settings. Then try
again. It could also be that the boards capacitors dried up with age. It is
something that if used, is better than being in storage. It keeps the
capacitors "formed" and able to accept the full charge as designed.

May be time for a new M/B.

--
Regards,

Richard Urban
Microsoft MVP Windows Shell/User

Quote from George Ankner:
If you knew as much as you think you know,
You would realize that you don't know what you thought you knew!
 
uddarts said:
either test the 12v yellow + black lead off a 4 wire molex with a
digital multimeter or try a different psu.

the psu may be getting tired. :D

ud

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Click to expand...

well, i tested another known working power supply unit, mainboard still wont
boot.
resetting bios as suggested in another post is simply not possible, because
there is absolutely nothing on the screen.
the following came up my mind lately:
may it be possible that the bios chip got erased somehow, because the bios
battery was definitely tired???
i know this normally is not the case, but what is normal here?
 
well, i tested another known working power supply unit, mainboard still wont
boot.
resetting bios as suggested in another post is simply not possible, because
there is absolutely nothing on the screen.
the following came up my mind lately:
may it be possible that the bios chip got erased somehow, because the bios
battery was definitely tired???
i know this normally is not the case, but what is normal here?
Click to expand...

There should be a jumper on the motherboard to clear the CMOS.

When the battery goes dead, only the CMOS data is affected.

Are there any bad capacitors?

Stephen
--
 
When the battery goes dead the CMOS "IS" cleared. Insert a new battery and
the CMOS will go to the bios default settings, which may "not" be exactly
what you particularly need or want.

--
Regards,

Richard Urban
Microsoft MVP Windows Shell/User

Quote from George Ankner:
If you knew as much as you think you know,
You would realize that you don't know what you thought you knew!
 
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