Subject: Re: Running NeXT Headless
To: Antonio Varela Lizardi <antonio@icon.net.mx>
From: matt debergalis <deberg@mit.edu>
List: port-next68k
Date: 11/14/1999 15:21:16
    Antonio>    I want to know if I'm understanding correctly. "just
    Antonio> touch" means that the resistor does not need to be keept in
    Antonio> place between pins 6 & 19?

correct.

    Antonio> "...  If you have an old Cube, the power supply needs to
    Antonio> have more power drawn from it than an 030 (and 040?) board
    Antonio> uses to stay on. So: On the DB-19, attach a Power Resistor
    Antonio> (20 Ohm, at least 20 Watt) between pins 12 and GND.  (Pin
    Antonio> 12 is -12V, pin 13 works well for GND). Then just "touch"
    Antonio> the 470 ohm resistor as described above, and you're
    Antonio> set. The 20 Ohm resistor draws enough to keep the power
    Antonio> supply happy - just don't touch it (*HOT!* ;-) ..."

    Antonio>   I have a 030 cube, and I think that it's old. There are
    Antonio> cubes older than that, or do I have to follow this
    Antonio> procedure?

dunno.  my cube (040) seems to have this problem, but it may have
originally been an 030 cube so i'm not sure.  try and see?  i haven't
tried adding the resistor to draw power yet.

matt
-- 
matt debergalis <deberg@mit.edu> KB1CTH
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