From owner-freebsd-hardware Sat Jun 29 08:32:28 1996 Return-Path: owner-hardware Received: (from root@localhost) by freefall.freebsd.org (8.7.5/8.7.3) id IAA09190 for hardware-outgoing; Sat, 29 Jun 1996 08:32:28 -0700 (PDT) Received: from genesis.atrad.adelaide.edu.au (genesis.atrad.adelaide.edu.au [129.127.96.120]) by freefall.freebsd.org (8.7.5/8.7.3) with ESMTP id IAA09185 for ; Sat, 29 Jun 1996 08:32:24 -0700 (PDT) Received: from msmith@localhost by genesis.atrad.adelaide.edu.au (8.6.12/8.6.9) id AAA21469; Sun, 30 Jun 1996 00:51:02 +0930 From: Michael Smith Message-Id: <199606291521.AAA21469@genesis.atrad.adelaide.edu.au> Subject: Re: Hi-speed serial input for Pagesat HS-2000? To: admin@ftcnet.com (Bernard Klatt- Admin) Date: Sun, 30 Jun 1996 00:51:02 +0930 (CST) Cc: hardware@freebsd.org, bsdi-users@bsdi.com In-Reply-To: from "Bernard Klatt- Admin" at Jun 29, 96 03:11:21 am MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-hardware@freebsd.org X-Loop: FreeBSD.org Precedence: bulk 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 [[