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Date:      Fri, 28 Jun 1996 14:38:23 -0400 (EDT)
From:      Chuck Robey <chuckr@Glue.umd.edu>
To:        Kevin Swanson <Kevin_Swanson@BLaCKSMITH.com>
Cc:        freebsd-hardware@freebsd.org
Subject:   Re: muliport boards - building a PPP dialup server
Message-ID:  <Pine.OSF.3.91.960628143531.1057C-100000@thurston.eng.umd.edu>
In-Reply-To: <9606281800.AA05807@BLaCKSMITH.com>

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On Fri, 28 Jun 1996, Kevin Swanson wrote:

> I was told by Digi that their "dumb" 8-port boards (PC/8), could only go up  
> to 19.2 KBps if you used 16550's. This doesn't sound right based on some of  
> the responses I've been getting.

I've been using it at 38.4KBps, but I haven't been exercising all the 
ports of my 8 port card.  I still think that's a low value for the 
16550s, I think the limiting value would be the ISA bus and the 
efficiency of the sio driver in reading the UARTS, not the hardware.

> 
> Someone mentioned using a Cyclades-8 port serial card at 115.2 KBps. Is that  
> with 16550's?
> 
> Thanks for all of the responses.
> 
> Kevin Swanson
> 
> Kevin_Swanson@BLaCKSMITH.com
> 
> 

----------------------------+-----------------------------------------------
Chuck Robey                 | Interests include any kind of voice or data 
chuckr@eng.umd.edu          | communications topic, C programming, and Unix.
9120 Edmonston Ct #302      |
Greenbelt, MD 20770         | I run Journey2 and n3lxx, both FreeBSD
(301) 220-2114              | version 2.2 current -- and great FUN!
----------------------------+-----------------------------------------------




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