From: jasen@xnet.co.nz   
      
   On 2009-02-06, John Fields  wrote:   
   > On 6 Feb 2009 08:47:28 GMT, Jasen Betts  wrote:   
   >   
   >>On 2009-02-02, John  wrote:   
   >>> I would like to change the led's in a old pc I recovered amber=power   
   >>> green=hd from there factory color to different colors like blue and super   
   >>> red led's.   
   >>   
   >>> I use to play electronic hobbies years ago so I’m concerned that if I   
   >>> just solder  the defferent color led’s to the leads  I might fry   
   >>> something.   
   >>   
   >>powersupply for the existing LEDs is most probably 5V through a series   
   >>resistor, so just replacing the leds should work.  the new leds may not   
   >>light to full brightness but will probably look good none-the-less.   
   >>There's no risk of damage to the PC by this modification as long as you   
   >>take due care.   
   >   
   > ---   
   > Bad advice.   
      
   what can go wrong?   
      
   > He needs to _know_ what the supply voltage is and the Vf and If of the   
   > LEDs he wants to use before he can proceed with the modification   
   > intelligently.   
      
   we're talking PC assembly here, intelligence isn't really needed :)   
      
   the motherboard already has resistors for the existing LEDs changing   
   in higher voltage LEDs isn't going to damage anything.   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)