so i assume this means i have one
any other reasons why it won't let me install
ATA-3 Bus:
MATSHITA CD-RW CW-8123:
Manufacturer: MATSHITA
Model: MATSHITA CD-RW CW-8123
Revision: CA0T
Serial Number:
Drive Type: CD-RW/DVD-ROM
Disc Burning: Apple Supported/Shipped
Removable Media...