Re: Apple //c Sporadically Crashing into the Monitor

["Bill Garber" <willy46pa@comcast DOT net>]

"Michael J. Mahon" <mjmahon@aol.com> wrote in message
20040414152114.17367.00000399@mb-m16.aol.com">news:20040414152114.17367.00000399@mb-m16.aol.com...
: Bill Garber wrote:
:
: >It could be that the RAM expansion cards pins has
: >deformed the sockets in which the CPU and MMU have
: >to return to. What you can do is replace the sockets
: >one at a time in the motherboard, if you have the skills,
: >and see if this remedies the situation.
:
: I agree that deformation of the sockets is the most likely
cause.
:
: If you'd like to avoid the tricky desoldering job, though, you
can
: simply "piggyback" your CPU and IOU chips on two 40-pin
: machined pin sockets, which will plug securely into the
: main board sockets.
:
: You must use _machined pin_ sockets for this to work.
: They cost a little more (a buck or two) but this is a much
: safer repair than desoldering unless you have special tools
: and some experience.

He may also have to remove the keyboard brace for this
to be effective as well. I will have to instruct people
who use my CFFA2C controller to do the same, should it
ever get done. I'm working on it as hard as I can. Try
that if you wish, but it has also been suggested that
a memory chip is going bad. That can be checked with
the internal diagnostic. I have the chart that tells
which chip it is if there is a bad one. Run the diag
numerous times, I'd say at least 20, to be sure it passes.
Otherwise, my offer still stands.

Bill @ GarberStreet Enterprizez };-)
Web Site - http://garberstreet.netfirms.com
Email - willy46pa @ comcast DOT net
Change DOT to a dot to contact me



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