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- From: treesh@bach.helios.nd.edu (carey treesh)
- Newsgroups: comp.sys.cbm
- Subject: Re: HARDWARE PROBLEM: spontaneous RESTORE interrupt?
- Message-ID: <1992Jul27.182118.3959@news.nd.edu>
- Date: 27 Jul 92 18:21:18 GMT
- References: <1992Jul24.051603.12086@news.iastate.edu>
- Sender: news@news.nd.edu (USENET News System)
- Organization: University of Notre Dame, Notre Dame
- Lines: 15
-
- Put a latching logic probe on the MNI pin of the 6501, see if its
- being generated extnernal to the CPU, if so, try the buffers, if not
- the problem is proabaly a shot CPU.
-
- ctfm
-
- Oh, bad ram could so this too, since the computer has the same effect as
- a run stoprestore when it sees and excused a BRK command, flakey ram or
- rom putting BRK's where they are not susposed to be will do that.
-
- If its bad ram, contack KARASRA MICRO SYSTEMS and get the whole logic board
- excahnged.
-
- ctfm
- .
-