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Re: [N8VEM-S100:6583] A V3 version of the S100 Bus System Monitor Board.
- To: n8vem-s100@googlegroups.com
- Subject: Re: [N8VEM-S100:6583] A V3 version of the S100 Bus System Monitor Board.
- From: Todd Goodman <tacom...@gmail.com>
- Date: Fri, 20 Mar 2015 10:45:00 -0400
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- In-reply-to: <001201d0626d$e67f15b0$b37d4110$@vitasoft.org>
- References: <c62204a3-a998-4e8a-b680-0afa87ed3b51@googlegroups.com> <47624A9A-B5F3-4EF7-9FFF-70B82F4686D6@platinum.net> <001501d0626a$62fda5b0$28f8f110$@vitasoft.org> <DF22D581-AE9F-4313-B489-0D194E6A3DBE@platinum.net> <001201d0626d$e67f15b0$b37d4110$@vitasoft.org>
I have all three boards available and in stock.
Todd
On Thu, Mar 19, 2015 at 1:55 PM, John Monahan <mon...@vitasoft.org> wrote:
> I have only one each of the HP, TIL and LED bars left Ian. That’s all.
>
> If the is a need (i. e. more than one of each of the above) we can order
> more.
>
> John
>
>
>
>
>
> From: n8vem...@googlegroups.com [mailto:n8vem...@googlegroups.com] On
> Behalf Of Ian McLaughlin
> Sent: Thursday, March 19, 2015 10:33 AM
> To: n8vem...@googlegroups.com
> Subject: Re: [N8VEM-S100:6582] A V3 version of the S100 Bus System Monitor
> Board.
>
>
>
> John,
>
>
>
> Do you also have any of the daughter boards available?
>
>
>
> Ian
>
>
>
> On Mar 19, 2015, at 10:30 AM, John Monahan <mon...@vitasoft.org> wrote:
>
>
>
> That was fast!
>
> John
>
>
>
> From: n8vem...@googlegroups.com [mailto:n8vem...@googlegroups.com] On
> Behalf Of Ian McLaughlin
> Sent: Thursday, March 19, 2015 10:29 AM
> To: n8vem...@googlegroups.com
> Subject: Re: [N8VEM-S100:6578] A V3 version of the S100 Bus System Monitor
> Board.
>
>
>
> John,
>
>
>
> Please put me down for 1 board.
>
>
>
> Thanks!
>
>
>
> Ian
>
>
>
> On Mar 19, 2015, at 10:26 AM, monahanz <mon...@vitasoft.org> wrote:
>
>
>
>
>
>
>
> 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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