Help! - Parallel Port CD-ROM and switched connections - Article 71674 - go-pugleaf

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Article #71674

Help! - Parallel Port CD-ROM and switched connections

#71674

From: Mike Parkes
Date: Wed, 15 Nov 1995 00:00

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I've tried to link up my various parallel port devices - CD-ROM drive, ZIP
drive, printer and scanner, through a 4 way switch to the parallel port so
saving the continuous plugging and unplugging of the leads.

They all work when switched with the exception of the CD-ROM drive which, whilst
the software driver  installs and recognises the drive, does not respond to any
disk which is placed in it, i.e. File Manager declares no disk in drive. 

The 4-way switch has all 25 connections wired up to and from its 5 connections;
its Maplin's Screened Data Switch ZA63T.

The leads are not the problem as connecting them together with a gender changer
results in a correctly working CD-ROM drive.

Anyone have a suggestion?

Mike Parkes  
mike@mphgate.demon.co.uk

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From: mike@mphgate.demon.co.uk (Mike Parkes)
Subject: Help! - Parallel Port CD-ROM and switched connections
Date: 1995/11/15
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