READ TOC (CD-ROM mode) 43h
Commands
131
READ TOC (CD-ROM mode) 43h
READ TOC transfers the Table of Contents data to the host.
Pre-execution checks:
If the drive is not in CD-ROM mode, the request will return CHECK CONDITION status with a sense
key Illegal Command.
The Track/Session Number must be set to 0 or 1. Any other value will result in
CHECK CONDITION
status with sense data as described in Illegal Field Checks.
Command descriptor block:
CDB fields:
Illegal Field Fixed Bit Flag Link
Bad LUN Reservation Deferred Error
Unit Attention Media Access Diagnostic Status
7 6 5 4 3 2 1 0
0 Operation Code (43h)
1 Logical Unit Number Reserved (0) MSF RelAdr(0)
2 Reserved (0) Format (0)
3 (MSB)
Reserved (0)
5 (LSB)
6 Track/Session Number
7 (MSB)
Allocation Length
8 (LSB)
9 Control
MSF This flag is ignored.
Track/Session Number This may be set to 0 or 1. It does not affect the data returned.
Allocation Length The maximum number of data bytes that may be returned.
