Successful 165 read and dump - mode 4, programmer, and eraser questions

[CSH-HQ]

I've done many hundreds if not a thousand chips now, with:
Needham's burner
Datrase II
Never a hiccup,
Cheers
Grumpy




>Folks,
>
>Thanks to many of you, I've been very successful in assembling the hardware
>(MAX232) and writing the software (QuickBasic) to read all the 8192 ALDL
>data from my 1987 305 TPI '165 (EPROM ACXS) system. I'm very happy with the
>results so far, which include 4 pages of updating (up to 0.1s inverval)
>information and datalogging of 40+ minutes on a floppy (20 or so critical
>values @ 0.1s, PKZipped). Using the 'Mode 2' memory dump, I've collected a
>'bin' file from the car I'm working on, which I've uploaded to 'incoming'
>with a good descriptive filename. I hope someone finds it useful. I'd be
>interested in feedback on any defects or problems with the file.
>
>The EPROM code was dumped from C000 to FFFF. What is contained in the memory
>from 0000 to BFFF? Also, has anyone had productive experiences using the
>'Mode 4' to change values in memory? I mean, can you change a spark table
>that's contained in the EPROM on-the-fly, and what, does it change back on
>powerdown? How does it work? Since it appears that it will work with my ECM,
>this could potentially be a powerful tuning tool if I understood it better.
>
>For reprogramming EPROMs, I'm also considering the Intronics Pocket
>Programmer ($130 or so). Any feedback on this decision would be welcomed. To
>erase EPROMs, would a blacklight be effective or do I need an eraser
>specifically designed for the task? I've never erased an EPROM before. Does
>it need to be given voltage during the erasure? Again, feedback sought.
>
>Many thanks,
>-Craig Moates
>