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Date:      Sun, 30 Jun 1996 00:51:02 +0930 (CST)
From:      Michael Smith <msmith@atrad.adelaide.edu.au>
To:        admin@ftcnet.com (Bernard Klatt- Admin)
Cc:        hardware@freebsd.org, bsdi-users@bsdi.com
Subject:   Re: Hi-speed serial input for Pagesat HS-2000?
Message-ID:  <199606291521.AAA21469@genesis.atrad.adelaide.edu.au>
In-Reply-To: <Pine.BSI.3.91.960629024903.24641C-100000@alpha.ftcnet.com> from "Bernard Klatt- Admin" at Jun 29, 96 03:11:21 am

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Bernard Klatt- Admin stands accused of saying:
> 
> I'm having trouble with receive overruns with the 115.2 Kb/s news
> feed from the new Pagesat HS-2000.  I'm using a Lava ISA 16C550-
> based com port on a 486DX4-100, 64 MB RAM, BSDI V2.1 news server.
> I talked to 'Mike' at Pagesat who recommended a DOS-based PC as
> a dedicated input spooler which would then feed the BSDI news
> server.
>   This seems like an extravagant 'kludge'.  I checked
> around a found a couple of external serial buffer boxes, but
> they wouldn't work faster than 38.4 Kb/s.  CyberResearch has
> a hi-speed buffered serial card, but it's designed for output
> spooling.
>   I think what I need is a hi-speed buffered input serial
> card that's compatible with the Pagesat  psfrx  program.  I think
> 16 or 32 bytes of FIFO is not nearly enough since the Pagesat
> data receiver does no flow control.  Ideas, suggestions or product
> source would be welcome.

First suggestion would be to shoot the Pagesat people for a box with no
flow control 8)

Second would be to look at a Hayes ESP card.  IIRC, these guys have 
receive FIFOs up around the 1K mark, and are supported by the 'sio' driver.

> Bernard Klatt  Owner  Fairview Tech Ctr Ltd.   www.ftcnet.com

-- 
]] Mike Smith, Software Engineer        msmith@atrad.adelaide.edu.au    [[
]] Genesis Software                     genesis@atrad.adelaide.edu.au   [[
]] High-speed data acquisition and      (GSM mobile) 0411-222-496       [[
]] realtime instrument control          (ph/fax)  +61-8-267-3039        [[
]] Collector of old Unix hardware.      "Where are your PEZ?" The Tick  [[



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