On Thu, Oct 6, 2016 at 4:08 PM, didier derny <email@example.com> wrote: > I tried the following thing: > > removed -5v > removed +12v and send 5v on +12v > removed 4116 > installed sockets > installed 4164 > > works!!! Superb! > just need to restore +9v unregulated (apparently only used or tape motor) Right (I do happen to use my tape drive - I was reading tapes last night) > IEEE-488 still not working (pia cold, look strange) I have substituted a 6821 for the 6520 PIA and it seems to work fine. The 6821 is not hard to find (especially at my house since I worked for a place that had a product that included a 6821 and I got all the old stock when they closed). > everything is reversible... (no definitive modifications) Even better. Cheers, -ethan Message was sent through the cbm-hackers mailing listReceived on 2016-10-06 22:00:02
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