For some time now, I've been ordering CDs of certain US Air Force
records from an Air Force agency for a book I'm writing. These CDs,
which contain PDFs of the records in question, all opened with no
problems.
However, with the last two orders, the CDs are not readable by my Mac
G4 MDD. I get the following message: "The disk you inserted was not
readable by this computer." Disk Utility sees the disk but will not
mount it and reports it as a Read-Only CD-R. These rogue CDs are
readable on my wife's PC (Windows Vista) however.
System Profiler reports the drive as an "HL-DT-ST RW/DVD GCC-4480B."
Specs:
Firmware Revision: 1.03
Interconnect: ATAPI
Burn Support: Yes (Apple Shipped/Supported)
Cache: 2048 KB
Reads DVD: Yes
CD-Write: -R, -RW
Burn Underrun Protection CD: Yes
Write Strategies: CD-TAO, CD-SAO, CD-Raw
System Specs:
Machine Name: Power Mac G4
Machine Model: PowerMac3,6
CPU Type: PowerPC G4 (3.3)
Number Of CPUs: 2
CPU Speed: 1.25 GHz
L2 Cache (per CPU): 256 KB
L3 Cache (per CPU): 2 MB
Memory: 1.5 GB
Bus Speed: 167 MHz
Boot ROM Version: 4.4.8f2
OS is 10.4.11
Any clue why my DVD drive won't read these CDs? These are the only
optical media I've encountered that have had this problem
Michael McMurtrey
Carrollton, TX
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