MPENDER@WPI.BITNET (05/06/88)
Don't put other peoples chips in your computer, put your chips in someone
else's computer. If the chips are not damaged, but a capacitor, gate or
resistor is shorted you could end up with two broken computers!!
Also contrary to what people have told you, the 6502 is a MOS chip, if it went
the cheapest way to get it fixed is probably have your apple dealer
install an enhancement kit, and don't tell him your 6502 is blown.
>smile<.
Good luck, but if it comes down to a zapped
motherboard, buy a new one, its not worth the
headaches to try to find the individual broken
resistor or capacitor.
Mike.
_______________________________________________________________________________
Bitnet: MPENDER@WPI.BITNET Michael Pender
Internet: MPENDER%WPI.bitnet@talcott.harvard.edu Computer Science /
or MPENDER%WPI.BITNET@cunyvm.cuny.edu Electrical Engineering
Worcester Polytechnic Institute: 100 Institute Rd., Worcester Mass., 01609
The Laser 128: 99.99% compatible, now if I can only get them to make an
upgrade kit (for the apples).
-------------------------------------------------------------------------------neighbor@csd4.milw.wisc.edu (Jeffrey Alan Ding) (05/09/88)
In article <8805052309.AA24541@wpi.local> MPENDER@WPI.BITNET writes: > >Good luck, but if it comes down to a zapped >motherboard, buy a new one, its not worth the >headaches to try to find the individual broken >resistor or capacitor. > >Mike. > Not worth the trouble? Not worth the trouble? What trouble. One day I turned on my old Apple ][ computer and my cursor was no longer blinking. I thougt that to be very strange. I quickly popped into BASIC and tried displaying some flashing characters. No luck at all. All the flashing was inversed. My flashers didn't work anymore. A quick reading of the old Apple ][ referance manual and an examination of the Apple scematic lead me to the problematic circuit. A 555 timer controls the flashing rate. A capacitor and a resister make up the timing for the 555 timer. What happed was the capacitor went bad. Took me about 15 minutes time and ~.30 cents in parts to fix my computer. And you want to buy a new motherboard??? Sounds like a dealer talking! neighbor@csd4.milw.wisc.edu _______________________________________________________________________________ | arpanet: neighbor@csd4.milw.wisc.edu | | UUCP: ihnp4!uwmcsd1!csd4!neighbor | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~