Pioneer SCSI-2 Reference Manual page 24

Applied Model
Applied Model has three values. Each model code corresponds to particular drive models.
I :
II :
III :
Each command is either supported by a drive, indicated by "yes", not supported by a drive, "---",
or is supported but with restrictions and/or conditions, "N" where N is a numeric value 1-7.
yes :
--- :
1 :
2 :
3 :
4 :
5 :
6 :
7 :
product models DRM-604X; DRM-1804X; and DR-D504X
product model DRM-602X
product models DRM-624X; DR-U124X; DR-UA124X; DR-A10X; DR-U10X;
DR-A12X; DR-411; DR-U12X; DR-433; DR-A24X; DR-511; DR-U24X; and
DR-533
is supported by all drives corresponding to this Applied Model code.
is not supported by any of the drives corresponding to this Applied Model code.
is not supported by DRM-1804X.
does not support the media type code 4h, 8h, 70h, 71h and 72h. There is limited
action in the CD-ROM Audio Controller Parameter Page (0Eh).
random access is possible with CD-DA data. Buffer Over Flow Error would not
occur. For SUB-CHANNEL READ OUT, support is only when the Beginning
Logical Block Address is FFFFFFFFh and Sub-Channel data. It is unable to
choose the Beginning Logical Block Address or to read out along with other
data.
is not supported by Format Field = 2 (all of Q Sub-Code information).
is not supported by DR-UA124X.
is unable to reassign disc of single type drive.
is not supported by DR-A10X, DR-U10X, DR-411, DR-433, DR-A12X, DR-
U12X, DR-444, DR-466, DR-A24X, DR-U24X, DR-511 and DR-533.
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Commands