Debugger board for P4 ECMs

[Ludis Langens]

Swayze wrote:
> 
> I have a junkyard '727 on the way (sometime this week). first thing I want
> to do is verify that everything works correctly (on the bench).

A quick and dirty way of testing for a working ECM is to apply power and
hook up a jumper to put it into ALDL code flashing mode.  This verifies
that the CPU, PROM, and some I/O is working.  Of course, it doesn't
check for blown driver outputs and so on.

-- 
Ludis Langens                               ludis (at) cruzers (dot) com
Mac, Fiero, & engine controller goodies:  http://www.cruzers.com/~ludis/
----------------------------------------------------------------------------
To unsubscribe from gmecm, send "unsubscribe gmecm" (without the quotes)
in the body of a message (not the subject) to majordomo at lists.diy-efi.org