DLT1/VS80 SCSI Interface Guide
81-81276-01 Rev A01
July 2004
4-115
4.22 SPACE (11h)
The SPACE command provides a variety of positioning functions that are determined by the Code and
Count fields in the CDB. The command provides both forward (toward EOM/P) and reverse (toward
BOM/P) positioning.
Figure 4-74.
SPACE (11h) Command Descriptor Block — Data Format
Bit
Byte
7
6
5
4
3
2
1
0
0
Operation Code (11h)
1
Logical Unit Number
Reserved
Code
2 - 4
(MSB)
Count
(LSB)
5
Unused
Reserved
Flag
Link
Table 4-68.
SPACE (11h) Command Descriptor Block — Field Descriptions
Field Name
Description
LUN
Logical Unit Number. The target ignores this field. Only an IDENTIFY message
can change the LUN.
Code
The code have any of the following values. All other values are reserved.
Space Code
Space By
000b
Blocks
001b
Filemarks
010b
Sequential Filemarks
011b
End-of-Data
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