Thank you John. Much appreciated! On Fri, Mar 20, 2015 at 12:30 PM, John Monahan <[email protected]> wrote:
> Paul you are now down for 2 > > John > > > > > > *From:* [email protected] [mailto:[email protected]] *On > Behalf Of *Paul Birkel > *Sent:* Friday, March 20, 2015 8:41 AM > *To:* [email protected] > *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 <[email protected]> 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 > > > > > > > > > > > > -- > You received this message because you are subscribed to the Google Groups > "N8VEM-S100" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/d/optout. > > > > -- > You received this message because you are subscribed to the Google Groups > "N8VEM-S100" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/d/optout. > > -- > You received this message because you are subscribed to the Google Groups > "N8VEM-S100" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "N8VEM-S100" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
