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Chapter 4 SCSI Commands
MODE SELECT (6) / (10) Command (15h / 55h)
DLT-S4 Interface Reference Guide
116
Data Compression Page
(0Fh)
4
The Data Compression Page specifies parameters for the control of data
compression. This page allows an initiator to turn the DLT-S4 tape drive’s
compressed format on and off independently of the position of the tape
medium.
Figure 62 Data Compression
MODE SELECT
Page — Data
Format
Bit
7
6
5
4
3
2
1
0
Byte
0
PS (0)
SPF (0)
Page Code (0Fh)
1
Page Length (0Eh)
2
DCE
DCC (1)
Reserved
3
DDE (1)
RED (0)
Reserved
4 — 7
(MSB)
Compression Algorithm (10h)
(LSB)
8 — 11
(MSB)
Decompression Algorithm (10h)
(LSB)
12 — 15
Reserved