Hi I've been down that road a couple of times. You get to a point where everyone involved does indeed agree that "it's not a secret" anymore. Going the final step and actually getting permission to hand out the code is often impossible. You get into a "nobody has the authority to approve that" hassle.
Bob On Oct 23, 2010, at 4:30 PM, Heathkid wrote: > Backup images are fine... but has anyone considered or tried to contact the > original programmers to get the actual code used? I'm sure there wouldn't be > any reason someone would still consider 30+ year old code a "trade secret" > and if one had the original code... could reasonably replicate an old > programmed chip with a newer one. Just a thought. > > ----- Original Message ----- From: "Mark Sims" <[email protected]> > To: <[email protected]> > Sent: Saturday, October 23, 2010 11:19 AM > Subject: [time-nuts] Maintaining boatanchors (was Capacitor Failures) > > > > I make backup images of all my EPROMs and even bipolar devices. I even built > a device for reverse engineering secured PALs. I have a fully configured Data > I/O Unisite for programming. This machine with all the device adapters, etc > cost somebody well over $100,000 > > The Unisite is probably the most capable, robust, and expensive programmer > ever built (and quite a boat anchor, itself). It's a real shame they stopped > adding new devices last year. The 2900 and 3900's are smaller but don't do a > few parts (mostly odd bipolar proms). External interface is a standard RS232 > terminal. They do boot off of floppies (720kbfor the Unisite, 1.44Mb for the > others). There are also units with internal hard drives. The floppy images > can be burned from a CD (all my computers still have floppy drives, some 5 > 1/4", one has 8 inch). The last software release spans 9 diskettes. > > I have accumulated a few spare machines when I bought some units just to get > some oddball package adapter that I did not have. Email me if interested... > > > > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
