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A7N8X Deluxe bafflement



 
 
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Old June 22nd 03, 03:20 PM
Simon
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Default A7N8X Deluxe bafflement


"rstlne" wrote in message
...
You have to remove the battery on Asus motherboards to clear the CMOS

(as
per the manual) otherwise there is a real chance of blowing a diode on

the
board (I know this from personal experience when the original manuals

for
the A7V333 instructed you to keep the battery in position)

If you have attempted to clear the CMOS without removing the battery

first
then that could be the cause of your problem.



I think someone told you fibs
that 3v batter probably couldnt create the current required to break down

a
diode anyhow, I didnt look at this board in detail and i'll not pull it

out
to trace the tracks, but you normally have 1 jumper that puts the battery

in
line with the cmos chip and 1 battery that will go in line with a leakage
resistor (or whate ver you want to call it) and the battery shouldnt be an
issue when clearing the cmos, unplugging the power supply might be an

issue
in todays systems, I do power mine down to make sure as I have no clue

what
rails are power'd when the system is turned off..

the diode COULD burn out if you decided to turn the computer on with the
jumper in the clear cmos position..


No not fibs - it was personal experience. However, I did have my wires
crossed (so to speak).
To clear the CMOS in the original manual, the instruction was to cap the
CLR_RTC pins with the power on and battery in place. This blew the diode.
The revised instructions were to remove the battery and power and then cap
the pins. (Pity the revision came out after I'd RMA'd 2 boards though :-)


 




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