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CD-ROM freezes the system for a few seconds

Posted on 1998-06-08
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Last Modified: 2010-04-26
Hello

I have a 24x CDROM drive shipped by Creative Labs which appears as * SAMSUNG CD-ROM SCR-2431 * on the System properties of Windows 95

When I leave a disk inside the drive idle for a while then the drive starts to work and the operating system gets locked for several seconds. Sometimes even the mouse pointer gets stopped. After that delay, everything works "fine" again.

Well I put an audio CD-ROM on the drive. I listen to it for a while and then when I don't want to hear it I  simply click stop on the cd-player and close the cd-player. I don't have to remove the CD from the drive as I don't need to remove the Zip from the Zip drive or the diskette from its drive. Then, after a few minutes, the cd starts doing something by itself and my system freezes for some seconds. Simply it sets me up.

Also if my brother leaves a CD on the drive when he stops the machine I find same problem after a while of working, doing nothing with the CD.

You can abort the delay by manually ejecting the disc, removing it from the drive and closing it again.

It happens both with audio CDs and data CDs.

Please ask me if you need more details.
I have 486DX4/100, 40Mb RAM, APM turned off.
The CD-ROM drive is alone on secondary IDE as MASTER.
 I have the auto-insert options disabled, both from the drive properties and from tweak-UI control-pannel add-on.

Thank you for your time.
Pablo
pablocosta@iname.com
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Question by:pablocosta
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5 Comments
 
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Expert Comment

by:ek_enigma
ID: 1019140
this seems to be a driver problem (basically windows detects the drive incorrectly).  since you haven't put any details of the cd-rom drive itself, please post exact details!  is it a multimedia kit?  if so what is the exact name of the kit?  any details on the drive would be much appreciated!
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Expert Comment

by:ek_enigma
ID: 1019141
sorry, reject the answer, it's supposed to be a comment
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Author Comment

by:pablocosta
ID: 1019142
The drive is an ATAPI CD-ROM shipped by Creative Labs.
It appears as SAMSUNG CD-ROM SCR-2431 on the Device properties of windows 95
It is alone on the secondary IDE

what else details you mean?

thank you
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Accepted Solution

by:
tchris earned 100 total points
ID: 1019143
All current CD-ROMs do this same thing (as far as I have seen).  The reason is that they spin down after being idle, and Windows will patiently wait (forcing you to wait) for it to spin back up for a read request.

Any number of things can send a read request to the CD-ROM drive, resulting in the pause:  Any call to Windows Explorer, or opening My Computer, or nearly any other dialog which lists the drives in the system.  

The only way around this is to remove any CD from the drive when it is not in use.  Windows then knows there is nothing in it, and will not pause for a spin-up.

P.S.  If anybody ever makes a CD-ROM that doesn't spin down when it is idle, I will buy 10 of them!

Terry
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Author Comment

by:pablocosta
ID: 1019144
Thank you very much Terry (and ek_enigma :)
**** happens - always hated power saving and now more than ever
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