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You are here: MacNN Forums > Enthusiast Zone > Classic Macs and Mac OS > PM4400/200 and MacOS 9.1 = CD-ROM problems

PM4400/200 and MacOS 9.1 = CD-ROM problems
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Mac Enthusiast
Join Date: May 2000
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Apr 11, 2001, 12:35 PM
 
I upgraded my PowerMac 4400 to MacOS 9.1 and ever since occasionally I get a message saying that the disc in the CD-ROM drive is unreadable and should be initialized, when there's no disc in the CD-ROM drive. At first I thought it might have been the drive gone mad, but recently I installed a Plextor 12x10x32 CD-RW in it and it still tells me same thing. Anyone got any ideas?
PowerMac G4 400MHz/832MB/60GB
AlBook G4 15" 1.25GHz/1.5GB/60GB
Athlon 64 3500+/Asus A8N-SLI Premium/2GB RAM/990GB HD/GF7800GT 512
     
SpinyNorman
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Apr 11, 2001, 01:29 PM
 
I doubt it's a 9.1 problem, more likely an extension problem. In any case, you're pushing the envelope with 9.1 on this machine (without a G3 upgrade) and will likely have better overall performance with 8.6.
     
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Join Date: Dec 2000
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Apr 11, 2001, 11:12 PM
 
With a third party drive the Apple CD extension probably doesn't support it. Either fully or at all. I have a StarMax 3000 (4400 clone) and I have to hack the extension.

Go to ResExcellence.com and look around. They have a utility that will alter you extension to support the drive.

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Apr 12, 2001, 04:26 AM
 
Originally posted by SpinyNorman:
I doubt it's a 9.1 problem, more likely an extension problem. In any case, you're pushing the envelope with 9.1 on this machine (without a G3 upgrade) and will likely have better overall performance with 8.6.
If it is an extension problem then it is a MacOS 9.1 extension problem since those are the only extensions installed on the machine. Also I found MacOS 9.1 a lot snappier on the machine than 8.6.
PowerMac G4 400MHz/832MB/60GB
AlBook G4 15" 1.25GHz/1.5GB/60GB
Athlon 64 3500+/Asus A8N-SLI Premium/2GB RAM/990GB HD/GF7800GT 512
     
Mac Enthusiast
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Apr 12, 2001, 04:28 AM
 
Originally posted by Allah:
With a third party drive the Apple CD extension probably doesn't support it. Either fully or at all. I have a StarMax 3000 (4400 clone) and I have to hack the extension.
The first time I had this was with the internal, Apple branded CD-ROM drive that came with the machine. What did amaze me though is that when I installed the Plextor CD-RW the Apple CD-ROM driver recognized the drive immediately.
PowerMac G4 400MHz/832MB/60GB
AlBook G4 15" 1.25GHz/1.5GB/60GB
Athlon 64 3500+/Asus A8N-SLI Premium/2GB RAM/990GB HD/GF7800GT 512
     
   
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