If you have to replace them, you might try www.stocknsource.com. Go to
"Search Our Inventory", and enter the part number.
on 4/13/01 6:13 AM, Glenn Roberts at groberts_at_mitre.org wrote:
> I've been working with someone who has an old 8080-based single board
> computer he's trying to get to work. We're investigating several
> possible problems but it's starting to look like there's a problem with
> the EPROM. I have the ROM code he needs and will be checking out the
> EPROMS, but we may be faced with a need to reprogram one or both of
> these. They're the old 256 byte 1702A Intel chips (ceramic). I've only
> programmed the 27xx series but have read that the 1702's are "really
> difficult" to program. Was wondering if folks in this group could
> comment on how to proceed if/when we decide we need to reprogram one of
> these. Are there more modern plug compatible alternatives? We may also
> need to replace one or both - any sources known other than eBay?
> thanks.
>
> p.s. FYI, the computer here is the "MMD-1", an old 8080
> trainer/breadboarding box. here's a picture i found on the web:
>
> http://online.sfsu.edu/~hl/c.E&L-MMD1.html
>
>
> - glenn
Received on Fri Apr 13 2001 - 09:31:45 BST