Great job, John!
I'm starting to recover all the GAL/PALCE ICs from my scrap boards and already verified that I can program them correctly. I'll be ready to build this and the IDE board when they arrive!
Fabio
Yes you can have one. Need name and shipping address
Send via e-mail to monahan AT vitasoft DOT org
John
-----Original Message-----
From: n8vem...@googlegroups.com [mailto:n8vem...@googlegroups.com] On Behalf Of pet...@mts.net
Sent: Saturday, April 11, 2015 11:57 AM
To: n8vem...@googlegroups.com
Subject: [N8VEM-S100:6717] Re: Version 3 of our S100 bus Syatem Monitor Boadr gone out to users.
Hi, John! Are any of these boards left? If yes then I will take one. And can I be put on a permanent list for new boards?
On Friday, 10 April 2015 18:16:51 UTC-6, monahanz wrote:
> The final "production version" of our V3 SMB came in from China this
> week. Glad (and relieved to say -- there were 30 boards) that the
> board checks out OK. The only issue I have found is that the 3 digit
> bus clock frequency (PHI) is always 1MHz less than expected. i.e. 10
> MHz Z80 shows 9.99MHz, a 8MH 8086 shows up as 7.99MHz. The
> construction notes and details about the board can be found at the
> bottom of this page:-
> http://s100computers.com/My%20System%20Pages/SMB%20Board/S100%20Bus%20
> SMB.htm
>
>
> Here is the shipping list I worked from:-
>
>
>
>
>
> Ian McLaughlin 1
>
>
> Fabio Battaglia 3
>
>
> Tom Lafleur 1
>
>
> Brian Marstella 1
>
>
> David Fry 1
>
>
> Matthew Turner 3
>
>
> Neil Breeden 1
>
>
> Leon Byles 1
>
>
> J. Alexander Jacocks 1
>
>
> Jedi Master (Dave) 2
>
>
> Eric Osman 1
>
>
> Jack Rubin (will give to you at VCF next week) Don Caprio (Will give
> to you when we meet next week)
>
>
> Todd Goodman 3
>
>
> Pete Plank 1
>
>
> Paul Birkel 2
>
>
> Robert Greenstreet 1
>
>
> Rick Bromagem 1
>
>
> Tim Acker 1
>
>
> Hope I got everybody. Almost all the components of the V1 or V2 boards can be used in this board. This one is just better arranged using the GAL for fast 8 & 16 bit port addressing - a problem with some in the past for master/slave CPU switching.
> For payments, send $16/board. Read the stamp cost and PayPal to me WHEN you receive the board. I'm counting on everybody following the "honor system" , I don't have time to track everything. Just shipping these board out took a full day!
> Status of things...
> Next is the corresponding V3 version of our Dual IDE/CF board. Again a GAL (actually 2) are used for a faster/simpler layout. This time I had 4 production board ordered from China to test first. That way I'm not sweating with a backlog of boards that may have an error! This will be my approach from now on. Also in the works is a "V4" version of our old tried and true 16MB static RAM board, two GAL, no daughter board, SMD RAM 8 or 16MB RAM, with adjustable wait states. "The last S100 bus RAM board you will ever need!".
> My main focus, the S100 bus 80486 master/slave CPU board is turning out to be more difficult that anticipated. Now on version 3. I seriously misunderstood how the data is passed into and out of the CPU in 8, 16 or 32 bit wide modes.
> Enjoy!
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