Count me in for one set of boards. On Sun, Nov 13, 2016 at 10:52 AM, dwight <dkel...@hotmail.com> wrote:
> > I've started a new thread. > > See: > > > http://www.vcfed.org/forum/showthread.php?54850-Debugging-a-KIM-1-computer > > > I've created a simple debugging board that one can plug onto the KIM's > expansion buss that has debug code on it. It allows one to find out what is > failing on the KIM so they know what to replace. > > While developing it, I found that my 6530-002 is bad. As we all know, > these are custom made and no longer available. There is a similar part, the > 6532 that is similar, without ROM. > > It can be used with an adapter. I've reviewed both specifications and > believe I've figured out how to do it. Others have made them that are > configured for the Gottlieb pinball machines but they will not work for the > KIM because the KIM selects are configured differently. > > I've begun making a hand wired adapter with a EEPROM. This will be in a > stacked socket under the 6532. I expect to use the debug board to program > it in place. > > After verifying that every thing works, I may create PC boards for the > debug and 6532 adapter. > > I know there are a number of dead KIM-1s out there. > > I'm looking to see how many people would be interested in buying a set of > boards? I'm thinking in the range of $10 to $20 someplace, depending on > volume. I expect to have two small boards for each adapter and one for the > debug board. I'll most likely have them made as a set to save cost. > > I can populate the adapter boards with the SOIC parts and leave the rest > to the person buying the boards. > > Please let me know how many people would be interested?? > > Dwight > > > > Dwight > > > Debugging a KIM-1 computer<http://www.vcfed.org/ > forum/showthread.php?54850-Debugging-a-KIM-1-computer> > www.vcfed.org > This is a discussion forum about vintage computer collecting, use, > restoration and display powered by vBulletin. To find out about vBulletin, > go to http://www.vbulletin.com/ . > > > > > ________________________________ > From: cctalk <cctalk-boun...@classiccmp.org> on behalf of dwight < > dkel...@hotmail.com> > Sent: Monday, November 7, 2016 6:19:25 AM > To: General Discussion: On-Topic and Off-Topic Posts > Subject: Re: KIM-1 Debugging tool > > I still need to post the final schematic. A new thread might be a good > > idea. > > I wanted to keep the board as simple as possible so one could just > > wire wrap or point to point it. > > It only has a 7474, 7402 and a 7404 as well as the EPROM. > > It could easily be done with a GAL or PAL and the EPROM. > > I think two schematics showing each would be best. > > Dwight > > > ________________________________ > From: cctalk <cctalk-boun...@classiccmp.org> on behalf of Ali < > cct...@ibm51xx.net> > Sent: Sunday, November 6, 2016 10:25:16 PM > To: 'General Discussion: On-Topic and Off-Topic Posts' > Subject: RE: KIM-1 Debugging tool > > > I've been making a debugging ROM board to test out the various > > > > parts of the KIM-1. It is based on taking over the KIM at reset > > > > and running test. > > > > So far I've got two test working. One is a basic, is it running test > > > > that just blinks a light on the debug board. > > > > The next is a test of the first 1K of RAM. > > > > A little tricky to do without RAM. > > > > I expect to write some more for the RRIOT ics. > > > > If anyone has interest, they can follow me on the Vintage > > > > Computer Forum or contact me here. > > > > The board has 3 ttl ICs, a 2764/27128 EPROM, a couple > > > > LEDs and a dip switch. Also a few pullup resistors and capacitors. > > > > Dwight > > > Dwight, > > That is a pretty cool project. May I suggest you break it out on VCF into > its own thread so people can more easily follow what is going on? For those > interested in the original thread: > http://www.vcfed.org/forum/showthread.php?52155-KIM-1-No-Action/ > KIM-1 No Action<http://www.vcfed.org/forum/showthread.php?52155- > KIM-1-No-Action/> > www.vcfed.org > This is a discussion forum about vintage computer collecting, use, > restoration and display powered by vBulletin. To find out about vBulletin, > go to http://www.vbulletin.com/ . > > > > > -Ali > >