[Coco] PAL Coco 1/2 schematics/timings
devries.bob at gmail.com
Thu Sep 9 19:13:20 EDT 2010
If I remember correctly, the earliest PAL Coco1 had a daughter board
retro-fitted which inserted the (blank) lines at the top(?) and bottom of
the screen. Later versions had this as part of the main board.
I'll have a dig around to see if I can find my manuals and schematics.
Regards, Bob Devries
----- Original Message -----
From: "Mark McDougall" <msmcdoug at iinet.net.au>
To: "CoCoList for Color Computer Enthusiasts" <coco at maltedmedia.com>
Sent: Friday, September 10, 2010 8:35 AM
Subject: [Coco] PAL Coco 1/2 schematics/timings
> Again, apologies if this stuff is readily available but I simply can't
> find any technical information on the PAL Coco 1/2. :(
> Specifically, I'm looking for timing information - master clock
> frequencies and clocks for SAM & 6847. I'm unclear as to how they got PAL
> out of the above-mentioned atm.
> | Mark McDougall | "Electrical Engineers do it
> | <http://members.iinet.net.au/~msmcdoug> | with less resistance!"
> Coco mailing list
> Coco at maltedmedia.com
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