Date: Fri, 28 Jun 1996 09:19:10 -0700 From: "M.R.Murphy" <mrm@MARMOT.Mole.ORG> To: msmith@atrad.adelaide.edu.au, stesin@elvisti.kiev.ua Cc: hardware@FreeBSD.org, Kevin_Swanson@BLaCKSMITH.com Subject: Re: muliport boards - building a PPP dialup server Message-ID: <199606281619.JAA24043@meerkat.mole.org>
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> > Not to mention the fact -- at least some models of > Digiboard have a speed limit of 57600; and despite > of their intelligence, I can't tell for sure that 16port Digi > really saves you so much CPU compared to 16x16550. > (Don't know is it a driver problem; but I have seen > a situation recently, when people (using BSDi) are > going back to FIFOed 16550s from Digiboard, because > of... CPU limitations). > A thing to watch out for is that the multi-16550 boards (I'm familiar with Digiboard 8-port and HUB-6 with 16550) generate a LOT of heat. Good cooling is required. Especially with more than one board in a system. -- Mike Murphy mrm@Mole.ORG +1 619 598 5874 Better is the enemy of Good
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