I've not actually done it, but doesn't page 18 of the troubleshooting guide give you the information on how to put the board in a state for signature analysis? On 9 Oct 2008, at 19:52, John Robertson wrote:
Checking my files, I find that the "Supplement to STARWARS" #CO-225-02 (1st Printing) has the last two pages on Signature updates. The schematics do not exactly show how to get INTO the Signature state, but I suspect if one reviews Tempest and others that one can be successful. I have not had to service a SW in years and did not need signature analysis at the either, so that is the limit to my knowledge on the matter, but the schematics set and CO-225-02 should help!
Atari was expecting you to use the CAT BOX to run these tests...
John :-#)#
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