From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on inbox.vuxu.org X-Spam-Level: X-Spam-Status: No, score=-0.8 required=5.0 tests=DKIM_INVALID,DKIM_SIGNED, HTML_MESSAGE,LOTS_OF_MONEY,MAILING_LIST_MULTI,RCVD_IN_DNSWL_NONE autolearn=ham autolearn_force=no version=3.4.4 Received: (qmail 22213 invoked from network); 7 Apr 2021 02:32:28 -0000 Received: from minnie.tuhs.org (45.79.103.53) by inbox.vuxu.org with ESMTPUTF8; 7 Apr 2021 02:32:28 -0000 Received: by minnie.tuhs.org (Postfix, from userid 112) id 6A5479C78F; Wed, 7 Apr 2021 12:32:24 +1000 (AEST) Received: from minnie.tuhs.org (localhost [127.0.0.1]) by minnie.tuhs.org (Postfix) with ESMTP id DEB1D9C723; Wed, 7 Apr 2021 12:32:10 +1000 (AEST) Authentication-Results: minnie.tuhs.org; dkim=fail reason="signature verification failed" (1024-bit key; unprotected) header.d=systech.com.au header.i=@systech.com.au header.b="VkOFkCFL"; dkim-atps=neutral Received: by minnie.tuhs.org (Postfix, from userid 112) id 85A009C723; Wed, 7 Apr 2021 12:32:09 +1000 (AEST) Received: from mail-lf1-f47.google.com (mail-lf1-f47.google.com [209.85.167.47]) by minnie.tuhs.org (Postfix) with ESMTPS id 9AB419C722 for ; Wed, 7 Apr 2021 12:32:08 +1000 (AEST) Received: by mail-lf1-f47.google.com with SMTP id d13so25964331lfg.7 for ; Tue, 06 Apr 2021 19:32:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=systech.com.au; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=oHdmcjgXbGhMWWK0RLwY18ZFIWB4Q3CZAyLP2btCYYs=; b=VkOFkCFL9HqYuhvBxsiCUO+/AKkA2mj75sFvI6NR0gu5B1GWjG3vXSRkn2cm8WlzQP jnh3JqmaZGm0pRa8OjyDCk6gVdyY0btPjeRiidrBAwTJK0GHPrr55B7EwEfuAxC8sil/ ot1cl6pvPQWQQCquNDEdRltpH7H7O/KJccxjE= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=oHdmcjgXbGhMWWK0RLwY18ZFIWB4Q3CZAyLP2btCYYs=; b=eX8/IjDniiOEDLK+5L+z8KqFgMGqJxx2gTKpgENO6zuKCvfGX4viAGVhzZkOHNpnR2 XbtNnYPKQEBY68+gA6E9MYWZ5XWuklvb8eetlun6R5pk1zVximJRToV/E3uV6TkPU7xZ NDy9ne178sy5fiwILrz2UbzR5sb3tsbb93p242okm5Pl83iNdeE9jXASovfOKIzgLRMd t5VOc7Hw7a3Zt+kPCZ7Z7idfP0E/7SSlwabKwtoDZ0lTkhlrHUKMN0ScmFy8G5a0rYEV ICAqzKTrQmrmaAoyWQvsgsc2GfL0RBcES58QUPyZyfRliGIf/puT5jX2tzJA4rC41unL S8wA== X-Gm-Message-State: AOAM530FfDfUgUyGPY6cJ+GnxNl+hktPZ7HC0h8+UYlIvnYaZMy4v93U m7Q7Col8Ui+zUvfdFe78u9in9BZp2IMbwc5AhoABqA== X-Google-Smtp-Source: ABdhPJwHPJTlYbzu25b+TkEVNYd8tsBUW0gTRWHoo3yivLBzRgeAnqAbN1X79ndHMH1jl1gLfXxZWvB7ToPWZJPeDRo= X-Received: by 2002:a05:6512:110c:: with SMTP id l12mr765582lfg.138.1617762726901; Tue, 06 Apr 2021 19:32:06 -0700 (PDT) MIME-Version: 1.0 References: <202104070110.1371AmUi223995@darkstar.fourwinds.com> <20210407014742.GA32218@eureka.lemis.com> <202104070149.1371nVin226024@darkstar.fourwinds.com> <20210407015827.GG28660@mcvoy.com> In-Reply-To: <20210407015827.GG28660@mcvoy.com> From: Serge Burjak Date: Wed, 7 Apr 2021 12:31:55 +1000 Message-ID: To: Larry McVoy Content-Type: multipart/alternative; boundary="000000000000ab0c7405bf58bcdc" Subject: Re: [TUHS] PC Unix (had been How to Kill a Technical Conference X-BeenThere: tuhs@minnie.tuhs.org X-Mailman-Version: 2.1.26 Precedence: list List-Id: The Unix Heritage Society mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: The Eunuchs Hysterical Society Errors-To: tuhs-bounces@minnie.tuhs.org Sender: "TUHS" --000000000000ab0c7405bf58bcdc Content-Type: text/plain; charset="UTF-8" Serial port performance did not scale well on early pcs, so an industry was grown with smart serial cards. There were a few serial cards, but most didn't have the smarts, just shared interrupts. Best performing, in my usage, was the Stallion brand, an Australian company. These cards had their own processor, uarts and ram. Had used 4-32 ports. I am guessing they did high speed transfers via the high speed bus on the PC, relieving the main CPU from getting interrupts, doing queuing, caching etc. These cards were supported by SCO products like Xenix and Unix, some others and ran on a PC. Flying aircraft could be efficient for some visits that didn't have direct city pairs served by airlines, especially the US. Plus a lot of fun, if you do it yourself. I used to push statistical and financial data around Australia in the 80s via dial up using automated scripting with Zmodem, Sun hosts, PC remotes. Was very reliable. IBM NDAs and legals can feel overwhelming in meetings.... Serge On Wed, 7 Apr 2021 at 11:59, Larry McVoy wrote: > On Tue, Apr 06, 2021 at 06:49:31PM -0700, Jon Steinhart wrote: > > Greg 'groggy' Lehey writes: > > > > > > Another hypothesis I had ties in with this: both he and Bill Gates > > > were speakers at Euromicro 1980 in London, from 16 to 18 September. > > > Bill Gates was a no-show. Would that fit in with Gary's "gone > > > flying"? > > > > > > Greg > > > > According to Tom, no, he was visiting a somewhat local customer, I > > think in the bay area, which is why he was flying his plane. This > > wasn't the modern times when CEOs owned fancy jets. > > Yeah, I went and looked, it was a small $5M/year (not that small) > business and for some reason he was delivering software with his > small plane. > --000000000000ab0c7405bf58bcdc Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Serial port performance did not scale well on early=C2=A0pcs, so= an industry was grown with smart serial cards. There were a few serial car= ds, but most =C2=A0didn't have the smarts, just shared interrupts. Best= performing, in my usage, was the Stallion brand, an Australian company. Th= ese cards had their own processor, uarts and ram. Had used 4-32 ports. I am= guessing they did high speed transfers via the high speed bus on the PC, r= elieving the main CPU from getting interrupts, doing queuing, caching etc. = These cards were supported by SCO products like Xenix and Unix, some others= and ran on a PC.

Flying aircraft could be efficient for some visits tha= t didn't have direct city pairs served by airlines, especially the US. = Plus a lot of fun, if you do it yourself.

I used to push statistical and= financial data around Australia in the 80s via dial up using automated scr= ipting with Zmodem,=C2=A0Sun hosts, PC remotes. Was very reliable.=C2=A0
IBM NDAs and legals can feel overwhelming in meetings....

Serge
<= /div>
O= n Wed, 7 Apr 2021 at 11:59, Larry McVoy <lm@mcvoy.com> wrote:
On Tue, Apr 06, 2021= at 06:49:31PM -0700, Jon Steinhart wrote:
> Greg 'groggy' Lehey writes:
> >
> > Another hypothesis I had ties in with this: both he and Bill Gate= s
> > were speakers at Euromicro 1980 in London, from 16 to 18 Septembe= r.
> > Bill Gates was a no-show.=C2=A0 Would that fit in with Gary's= "gone
> > flying"?
> >
> > Greg
>
> According to Tom, no, he was visiting a somewhat local customer, I
> think in the bay area, which is why he was flying his plane.=C2=A0 Thi= s
> wasn't the modern times when CEOs owned fancy jets.

Yeah, I went and looked, it was a small $5M/year (not that small)
business and for some reason he was delivering software with his
small plane.
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