Pioneer SCSI-2 Manuale Utente

CD-ROM SCSI-2 COMMAND REFERENCE MANUAL VERSION 3.1 (OB-U0077C)

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T

ABLE 

2-9-7A P

ARAMETER 

D

ESCRIPTION

0

Audio Play

The drive is capable of Audio Play operation. This also indicates
that the drive is capable of overlapping Play and other commands
such as reading of the Sub-channel information.

1

XA Commands Supported

This bit has been reserved for future support of CD-ROM XA
commands. Drives which set this bit shall support all CD-ROM XA
commands.

4

Mode 2 Form1

The drive is capable of reading sectors in Mode 2 Form 1(XA)
format.

5

Mode 2 Form2

The drive is capable of reading sectors in Mode 2 Form 2 format.

6

Multi-Session

The drive is capable of reading multiple session or Photo-CD discs.

8

READ CD-DA

Red Book audio can be read using the READ-CD command.

9

CD-DA Stream is Accurate

This bit indicates that the drive supports an advanced feature that
allows it to return to an audio location without losing place to
continue the READ CD-DA command.

0

The drive is incapable of accurately restarting the CD-DA
read operation , and a BUFFER OVERFLOW error shall
be reported whenever a loss of streaming occurs, This
error will be fatal and the command will have to be
repeated from the beginning.

1

The drive can continue from a loss of streaming condition
and no error will be generated.

10

R-W Supported

The commands that return Sub-channel data can return the
combined R-W information.

11

R-W De-Interleaved &
Correction

This indicates that the R-W sub-channel data will be returned de-
interleaved and error corrected.

12

C2 Pointers are Supported

This indicates that the drive supports the C2 Error Pointers . This
also indicates that the drive is capable of returning the C2 Error
Pointers and C2 Block Error flags in the READ CD command.

13

UPC

The drive can return the Media Catalog Number (UPC).

14

ISRC

The drive can return the International Standard Recording Code
Information.

16

Lock

The PREVENT/ALLOW command is capable of actually locking
the media into the drive.

17

Lock State

This Indicates the current state of the drive.

0

The drive is currently in the allow (Unlocked ) state.
Media may be inserted or ejected.

1

The drive  is currently in the prevent (Locked) state.
Media loaded in the drive may not be removed via a soft
or hard eject. If the drive is empty, media may not be
inserted if the Prevent Jumper is not present. If the jumper
is present, then media may be inserted.

18

Prevent Jumper

This indicates the state of the (Optional) Prevent / Allow Jumper.

0

Jumper is present. Drive will power up to the allow state.
Locking the drive with the Prevent /Allow Command shall
NOT prevent the insertion of media

1

Jumper is not present. Drive will power up to the Prevent
State (Locked). The drive will not accept new media or
allow the ejection of media already loaded until an allow
command is issued.