The TOC Command is stating that it is reading the Table of Contents of the CD that you have placed in the drive. Have you tried more that one different CD? If not then try mulitple Discs. Have you made sure that the "Auto Insert Notification" is turned off? Is the "DMA" for this drive turned on? Here are the instructions on how to check these items listed above:
http://www.mtu.com/support/microstud...tall-sheet.htm
Also have you updated your "ASPI" Drivers? If not then please click here and follow the instructions on how to update them:
http://www.mtu.com/vbulletin/showthr...p?threadid=493
Thanks,