Ah, thanks for that; it sure sounded like a discrepancy between the PET and display frequencies but I'd always assumed the 9" models all used the same displays. Live and learn (not to make assumptions ;-). mike *********************************************************************************** ---------- From: William Levak[SMTP:wlevak@sdf.lonestar.org] Sent: Friday, October 02, 2009 1:37 AM To: cbm-hackers Subject: Re: Static PET PSU questions On Wed, 30 Sep 2009, Ethan Dicks wrote: > Hi, All, > > Back on that 2001-8 board... it's a P/N 320008, original board. It > has a 5-pin power supply connector. From the schematics, pin 3 is > GND, pin 2 is unreg 9VDC, and there's a pair of half-wave diodes from > pins 1 and 5 to pin 4. I want to run this board in a more modern PET > chassis You don't sat what you mean by "more modern PET". The video display circuitry is not compatible with "dynamic PET" versions. For one thing, the display operates at a different frequency. wlevak@sdf.lonestar.org SDF Public Access UNIX System - http://sdf.lonestar.org Message was sent through the cbm-hackers mailing list Message was sent through the cbm-hackers mailing listReceived on 2009-10-02 19:00:04
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