Optical Drive and Library SCSI-2 Command Reference

Jukebox SCSI-2 Command Set
Read Buffer Command (3CH)
Chapter 3 3-43
Jukebox SCSI-2 CommandsJukebox SCSI-2 Commands
Read Buffer Command (3CH)
This command reads data from the jukebox.
NOTE Only the Buffer IDs listed in Table 3-42 on page 3-44 are intended for use
outside of the factory.
Mode Indicates which data format is to be used. Refer to
Table 3-41 on page 3-44 for valid values.
Buffer ID Indicates which buffer is to be used. Refer to Table 3-41
on page 3-44 for valid values.
Buffer Offset Indicates at what address the data should be written,
offset from the beginning of the buffer.
Byte Transfer
Length Indicates the number of data bytes to be read from the
buffer (maximum of 65535).
Table 3-40 Read Buffer Command CDB
Byte 7 6 5 4 3 2 1 0
0 Operation Code (3CH)
1 Logical Unit Number
(0)
Reserved (0) Mode
2 Buffer ID
3 Buffer Offset (MSByte)
4 Buffer Offset
5 Buffer Offset (LSByte)
6 Byte Transfer Length (MSByte)
7 Byte Transfer Length
8 Byte Transfer Length (LSByte)
9 Control Byte (0)