Newsgroups: comp.sys.ibm.pc.hardware.cd-rom
Path: cdrom.com!barrnet.net!agate!howland.reston.ans.net!EU.net!uknet!cix.compulink.co.uk!nhill
From: nhill@cix.compulink.co.uk ("Nicholas Hill")
Subject: Re: Q: Mitsumi Fx001 doesn't like COnner Harddisk ???
Message-ID: <CuAHox.E5x@cix.compulink.co.uk>
Organization: Compulink Information eXchange
References: <zcgq1121.776335251@rpool7.rus.uni-stuttgart.de>
Date: Tue, 9 Aug 1994 22:41:21 GMT
Lines: 24

>Recently I bought a Mitsumi FX001 CDROM and got serious problems with
>it:
>Installation was no problem DMA=5, INT=10, Port=300
>with won adapter (no soundblaster or other soundcard)

>after booting the PC the CDROM works fine for about 15-30 Minutes
>then a nice buzzy noise with origin somewhere in the drive bay >(I 
cannot locate it exactly) gets to my ears ;) Five Minues later I
>get CRC errors from the CDROM. Audio CD sound very noisy.>

>I brought the CDROM to a friend, who installed it in his own computer >- 
it worked, ergo CDROM hardware is ok.
>I played around with the settings of the interface card - no help.
>I changed the device drivers (DMA <-> Polling) - no help
>I unplugged my Streamer - no help
>I unplugged my COnner 3204F Hard Disk (AT-Bus, 212 Meg) , and booted
>from floppy - it worked !!!!
>

Is your power supply up to it? Your CD Rom head positioner circuitry may 
be exceptionally sensitive to power supply noise. Perhaps your PSU is 
ageing (Electrolytics drying up) and causing the problem.

nhill@cix.compulink.co.uk 
