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Re: Apple //e Not Booting



John B. Matthews wrote:
In article <3_Sdnavfq-XAkBbWnZ2dnUVZ_qydnZ2d@giganews.com>,
 "Michael J. Mahon" <mjmahon@aol.com> wrote:


Senor Wences wrote:

I found a 65C02 online that I have purchased. Thanks for the troubleshooting information, Bill. With any luck my //e will be up and running again. With the 65C02 pulled from the motherboard I get the same horizontal bar pattern, so hopefully a blown CPU is the culprit here.

..or anything at all that prevents the reset code from running, which could be several things. Frankly, the likelihood of a CPU failing in an unpowered machine is pretty low.


Would it make any difference if the machine was unplugged, rather than simply unpowered? In particular, is an unplugged machine more susceptible to damage from static discharge?

ESD can cause some strange faults, but selectively blowing the CPU
in a //e with a closed case seems particularly strange.

"When you hear hoofbeats, think horses, not zebras."

-michael

NadaNet and AppleCrate II: parallel computing for Apple II computers!
Home page: http://home.comcast.net/~mjmahon

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