Re: Port splitters

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Article #758

#758

From: Rebecca and Rowland
Date: Wed, 15 Jul 1998 00:00

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ric <btgsch@rmplc.co.uk> wrote:

> Rebecca and Rowland <real-address-in-sig@flur.bltigibbet> wrote:
> 
> > Mark Etherington <mark@roxley.demon.co.uk> wrote:
> > 
> > [snip]
> > 
> > > Two Port Juggler - 2 extra ports, 8 Pin Macs (not PPCs) �55
> > 
> > Do you know why this won't work on PowerMacs?
> > 
> I'd guess because it doesn't switch the extra pin present in the serial
> ports of Macs with DMA, ie Geoport serial ports.

But the extra pin supplies 5V power only and can be ignored quite
happily.  The DMA serial ports have *identical* external hardware.  It's
only the interface to the host computer that's different.

Rowland.

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From: real-address-in-sig@flur.bltigibbet (Rebecca and Rowland)
Subject: Re: Port splitters
Date: 1998/07/15
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