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.
