[Intel-devsys] Tauntek/Grieb Z80 and 8080 ICEs (Herb Johnson)

Bill Beech (NJ7P) nj7p at nj7p.info
Tue Aug 6 22:44:40 MDT 2019


I also obtained the IP from Bob for these boards.  I understood the 
difficulty trying to obtain the original parts.  It was my desire to 
move to a newer device for the XC9536XL.  I have both the Z80 and the 
8080 boards from Bob.  He had also suggested some added functionality.

If we keep messing with 8080- and 8085-based boards here, an ICE might 
be something we want to pursue.

I used Bob's 8080-ICE to find some problems with some MDS-800 CPUs for 
Richard, at one point several years ago.

Thoughts, guys?


On 8/6/2019 6:44 PM, Gary Kaufman wrote:
> Herb -
> I did a run of the boards a few years ago and posted about the 
> experience here:
> https://www.retrobrewcomputers.org/doku.php?id=builderpages:gary_kaufman:z80ice 
> I have some of the boards and CPLD's available for both 8080A and Z80 
> should anyone be interested.
> I fixed up the PCB to include a solder mask and silk screen
> Be aware that functional XC9536's are very difficult to source. The 
> XC9536XL is a 3.3v part and wont work.  Some of the available parts 
> have very old date codes (ASJ) and in my experience wouldn't program 
> properly with any version of the Xilinx software I could locate.  All 
> of the Ebay parts seem to be used, and remarked.  In my experience 
> less than 50% were good and many batches were entirely junk.  I 
> eventually purchased a fairly expensive ZIF socket so that I could 
> program and test the parts prior to soldering onto a board!
> -= Gary
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