[Open-graphics] Re: Jumper count to disconnect DDC from DVI connector

mykrowatt at comcast.net mykrowatt at comcast.net
Mon Sep 11 18:28:03 EDT 2006


 -------------- Original message ----------------------
From: Peter Lund <firefly at vax64.dk>
> 
> > I _think_ 12 bits is long enough for each integer, but should we plan
> > for 13 or 14 to future-proof it?
> 
> No.
> 
> Future proofing is way overrated.  It will be very easy to change when
> (if!) necessary.

   Not if there aren't enough DIP switches on the board.
 
> >    A tool with a microcontroller in it would be able to interpret a
> > literal X modeline statement, and generate a video program for direct
> > loading as an EEPROM image.
> 
> Or a program on a PC could do it.

The tool will interface to the lab PC (or a terminal) through an RS-232 port.  Microcontrollers typically have an internal UART.  Interfacing to a printer port is a lot more bother, on both ends.


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