HP 2600fx - Optical Disk Drive Command Reference Manual page 262

Table 3-75 Read Element Status Data Transfer Element Descriptor Block
Byte 7
a
20-23
a
24-33
a. These fields are applicable for the 300mx, 600mx, 700mx, 1200mx and 2200mx
models only.
Element Descriptor
Length
Byte Count of
Descriptor Data
Available
Element
Address
Access
Except
Full
Not Bus
Chapter 3
6 5 4
Reserved (0)
Drive Serial Number (ASCII)
The number of bytes in each Element Descriptor Block.
Element Descriptor Length for X Number of Elements
of the type shown in byte 0.
The address of the element being reported by this
descriptor block.
When set to 1, access to the element by the Medium
Transport Element is allowed.
When set to 1, the element is in an abnormal state.
Information about the abnormal state is available in the
Additional Sense Code and Additional Sense Code
Qualifier bytes. (See Table B-2 on page B-4)
When set to 1, the element contains a cartridge.
When set to 1, the SCSI Bus Address and the Logical
Unit value fields are not on the SCSI Bus used to select
the library.
Jukebox SCSI-2 Command Set
Read Element Status Command (B8H)
3 2 1 0
3-75