## Physical Device Driver Reference

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### CDROMDISK_READLONG (72h) - Returns

The error return codes for this function are as follows:

02h Device not ready: The drive is not ready, or the controller does not respond.

03h Unknown command: The drive does not support this request.

08h Sector not found: The requested sector is not on the disc. This error is returned if a data address cannot be found or if the minutes/seconds/ frame address cannot be found.

10h Uncertain media.

13h Unsupported parameter: The addressing mode is out of range or not supported, or if the first 4 bytes of the parameter buffer are not " Signature".

14h Device already in use.