Subject: Re: [netatalk-admins] LocalTalk - possible?
From: Happy Weed (happywd@tsd.lick-my.org)
Date: Mon Jul 21 1997 - 12:32:35 EDT
would anyone know where to find this driver, since I now own of those
appletalk cards for my computer.
On Mon, 21 Jul 1997, Stefan Bethke wrote:
> At 12:31 Uhr +0200 21.07.1997, Mario Klebsch DG1AM wrote:
> >Hi!
> >
> >>So, does anybody know how difficult it would be to support Localtalk
> >>(i.e. Appletalk over a serial line).
> >
> >The hardest part probably is the hardware. The Mac uses a Zilog USART
> >while most PCs only have an UART (not capable of doing synchronous
> >transfers). The next problem probably is speed. localtalk runs at 307
> 230,4 kilobit per second
>
> >kbaud. On the Mac they have to use polling of the USART to achieve
> >this speed.
> >
> >So to get is working on a PC you probably need some special hardware
> >containing a Zilog USART and a processor doing the polling.
>
> Probably. Unless you already have some old LocalTalk card, it might be
> easier and cheaper to buy an Ethernet/LocalTalk bridge (Dayna, Asante, lots
> of others). The only LT card currently sold, I believe, is from COPS.
>
> There used to be a driver for the old LocalTalk PC card from Apple for
> Linux, but I don't know it's status. Recently, someone ported the driver to
> FreeBSD; we'll have to see how good it works.
>
> Stefan
>
> --
> Stefan Bethke
> Promo Datentechnik | Tel. +49-40-851744-0
> + Systemberatung GmbH | Fax. +49-40-851744-44
> Eduardstrasse 46-48 | e-mail: stefan@Promo.DE
> D-20257 Hamburg | http://www.Promo.DE/
>
>
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