M2488 PRODUCT GUIDE MEDIA CHANGER COMMANDS
March 1997 CG00000-011503 REV. A 6-27
2 4 1 The Export Enable bit is always set to one to indicate that the medium-changer’s
import export element supports export operations.
2 5 1 The Import Enable bit is always set to one to indicate that the medium-changer’s
import export element supports import operations.
9 6 0 The Invert bit is always set to 0. The cartridges for the supported tape format cannot
be inverted.
9 7 1
0
If the SValid bit is set to one then the Source storage element address field indicates
the address of the element where the current unit of media in the element was previ-
ously stored.
If the SValid bit is zero then the value in the Source storage element address field is
not valid.
Table 6-31. Data Transfer Element Descriptor (Type Code=4h)
BITS
BYTES 7 6 5 4 3 2 1 0
0
MSB
Element Address
1
LSB
2
Reserved Access Exception Reserved Full
3
Reserved
4
Additional Sense Code
5
Additional Sense Code Qualifier
6
Not bus=0 Reserved ID Valid=0 LUN Valid =0 Reserved Logical Unit Number=0
7
SCSI Bus Address=0
8
Reserved
9
SValid Invert=0 Reserved
10
MSB
Source storage element address
11
LSB
12-15
Reserved
Table 6-30. Import Export Element Descriptor Field Description (Continued)
BYTE BIT VALUE DESCRIPTION
