Read CD-ROM Capacity
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2.22
Read CD (BEh)
IMPORTANT: This command applies only to models DRM-602X, DRM-624X, DR-U124X,
DR-UA124X
Operation code is (BEh).
The Expected Sector Type field is used to limit the amount of information returned to the Host.
If the Requested Sector(s) do not match the specified type , the command will be terminated with
a Check Condition. The Sector that does not match will not be transferred to the Host. The sense
key shall be set to ILLEGAL MODE TOR THIS TRACK.
The Synch Field Bit, when set to one indicates that the Synch Field from the sector will be
included in the data stream. Note that the data fields that are requested to be included in the data
stream shall be contiguous. The Synch Field information (if selected) will be the first information
in the data stream; all other fields will follow.
The Header(s) Code is an encoded field that indicates the Header / Sub-header information to be
placed in the data stream.
The User Data Flag, when set to one, indicates that the Data part of a CD Sector shall be
returned in the data stream. When set to 1, the whole user data will be returned to the host. Note
that the setting of the Mode Select Density Code does not apply to this command, and the
physical user data will be returned . If the current track is an Audio Track then the Audio Data
will be returned, else the normal CD-ROM data will be returned. The possible data lengths are
2048,2336,2328 and 2352.
The EDC and ECC Flag, when set to one, indicates that the EDC and ECC (L-EC) field shall be
included in the data stream. For Mode 1 CDs this will include the 8 bytes of pad data.
Error Flag(s) is an encoded field that indicates which (if any) of the C2 and / or Block Error
data will be included in the data stream. All the field types are mandatory. If the drive does not
support the C2 pointers (as reported in the Mode sense Capabilities page) the data returned shall
be zero filled.
The Sub-Channel Data Selection bits indicate which CD Sub-Channel information is to be
included in the data stream., the “}Raw”} Sub-Channel information (All eight channels , on byte
from each of the small frames.) If the bit is set , then that Sub-channel data will be included in
the data stream to the Host.
Содержание DR-706S
Страница 2: ...CD ROM SCSI 2 Command Set R e f e r e n c e M a n u a l V e r s i o n 3 1 OB U0077C ...
Страница 36: ...Inquiry 23 this page has been left intentionally blank ...
Страница 71: ...CD ROM SCSI 2 COMMAND REFERENCE MANUAL VERSION 3 1 OB U0077C 58 this page has been left intentionally blank ...
Страница 106: ...Read CD ROM Capacity 93 this page has been left intentionally blank ...
Страница 124: ...Read Sub Channel 111 this page has been left intentionally blank ...
Страница 130: ...Read TOC 117 this page has been left intentionally blank ...
Страница 140: ...Request Sense 127 this page has been left intentionally blank ...
Страница 158: ...Stop Play Scan 145 2 40 Stop Play Scan 4Eh The STOP PLAY SCAN CD ROM Command stops playback of CD ROM audio commands ...
Страница 164: ...Verify 12 151 2 43 Verify 12 AFh Operation code is AFh See VERIFY 10 for complete description of this command ...
Страница 172: ...Read CD DA 159 this page has been left intentionally blank ...