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Re: [N8VEM-S100:6617] Re: A V3 version of the S100 Bus System Monitor Board.
I have the old display daughter boards available Josh.
Todd
On Fri, Mar 20, 2015 at 7:12 PM, Crusty OMO <crus...@hotmail.com> wrote:
> John,
>
> Are you making the TIL311 boards to go with it?
> Or which daughter board are you going to make?
>
> Cheers,
> Josh
>
>
> ________________________________
> From: mon...@vitasoft.org
> To: n8vem...@googlegroups.com
> Subject: RE: [N8VEM-S100:6610] Re: A V3 version of the S100 Bus System
> Monitor Board.
> Date: Fri, 20 Mar 2015 09:30:17 -0700
>
>
> Paul you are now down for 2
>
> John
>
>
>
>
>
> From: n8vem...@googlegroups.com [mailto:n8vem...@googlegroups.com] On
> Behalf Of Paul Birkel
> Sent: Friday, March 20, 2015 8:41 AM
> To: n8vem...@googlegroups.com
> Subject: Re: [N8VEM-S100:6607] Re: A V3 version of the S100 Bus System
> Monitor Board.
>
>
>
> Skipped me John, alas. Message 3:04 AM; request for two ... please?
>
>
>
> On Fri, Mar 20, 2015 at 11:35 AM, monahanz <mon...@vitasoft.org> wrote:
>
>
>
> On Thursday, March 19, 2015 at 10:26:07 AM UTC-7, monahanz wrote:
>
>
>
> OK here is the list I will work from:-
>
> Ian McLaughlin 1
>
> Fabio Battaglia 3
>
> Tom Lafleur 1
>
> Brian Marstella 1
>
> David Fry 1
>
> Matthew Turner 3
>
> nbreeden 1
>
> Leon Byles 1
>
> J. Alexander Jacocks 1
>
> Jedi Master 2
>
> Eric Osman 1
>
> JackRubin 1
>
> Don Caprio 1
>
> John Monahan 4
>
> I will order 30 boards today from PCBCart (China). Typically takes 4 weeks.
> All the usual suspects here, so I think I have everybody's address. Stay
> tuned.
>
>
>
> BTW the V3 IDE board had to go back for another prototype run, there was a
> weird timing issue with the GAL's and the 8255 Rd/Wr. Went back too TTL's
> with latched 74LS373's. Also stay tuned.
>
>
>
> John
>
>
>
> Now that the S100 bus XVGA video board
> (http://s100computers.com/My%20System%20Pages/VGA%20Board/VGA%20Board.htm)
> has gone out to everybody, I would like to announce our next board…
>
>
>
> It’s a V3 version of our tried and true SMB (System monitor Board). The
> original board is described here:-
>
>
>
> http://s100computers.com/My%20System%20Pages/SMB%20Board/S100%20Bus%20SMB.htm
>
>
>
> The following changes/updates have been made to the board:-
>
>
>
> · The was a minor error on the above V2 board (pin 5 of U32), this is now
> corrected.
>
> · There was a report of the TMA 0-3 switch circuit was not working reliably
> with the 80386 board at high speed, this circuit has now been completely
> replaced/simplified with a single GAL.
>
> · An Intersil ICM7216D chip has been added along with 3 new Digital
> displays to continuously display the frequency of the bus master clock speed
> (PHI) in MHz.
>
> · A circuit and LED bar was added to continuously display the bit pattern
> of a user defined output port. (default, LED Diagnostic Port 05H).
>
> · A circuit was added to trigger an interrupt if the S100 bus ERROR* signal
> (pin 98) is activated.
>
> · A series of jumpers was added to easily attach a logic probe cable (such
> as a USBee or Saleae unit) for hardware debugging.
>
> · The LM323K 5Volt, 3Amp regulator can be replaced (in the same
> footprint/space) with a Pololu 5 Volt , 2.5 Amp D24V25 Switching regulator.
>
> · Almost all chips from the V2 board can be re-used on the V3 board. Only
> the ICM7216D, 3 Digital displays and GAL 22V10 are new.
>
>
>
> Please see the bottom of the above page for more information.
>
>
>
> I will be sending off an order for final bare boards in the next few days.
> If you would like one or more boards please let me know (preferably by
> e-mail). The usual arrangements ~$15/board + postage WHEN you get the board
> via PayPal.
>
>
>
> John
>
>
>
>
>
>
>
>
>
>
>
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