Sony SDX-800V/R User Manual
13. Appendix F
SONY AIT-3Ex drive SDX-800V series Ver.1.1
13-1
13. APPENDIX F: AIT based WORM system
13.1. Important Notice
(1) AIT WORM cartridges come equipped with Remote MIC.
(2) A new AIT WORM cartridge can be initialized to use either AIT native mode or DDS emulation mode.
(3) WORM features are supported in AIT tape drives with firmware revision level 0103 or later.
13.2. Write-Protected (WP) Bit in Mode Sense Data
Although the cartridge write-protected activator is permanently set to safe for all WORM media, the WP bit is not
used in WORM mode and will be set to ZERO.
used in WORM mode and will be set to ZERO.
13.3. How to detect a WORM cartridge
The WORM bit of AIT Device Configuration Page (31h) is used to indicate the presence of a WORM media.
Page 31h: AIT Device Configuration Page
Bit
Byte
7 6 5 4 3 2 1 0
0
Reserved
Page Code (31h)
1
Page Length (8)
2
AIT DEV ABS ULP PRT PNJ SYSLOG
3
SPAN (0Ah)
4
MIC WORM
Reserved
5
Reserved
WORM
Capable
6
Reserved
7
Reserved
8
Reserved
9
Reserved
13.4. How to initialize a WORM cartridge
A new WORM cartridge can be initialized in two ways:
1. Mode Select Operation
2. Write Operation
2. Write Operation
Note: when using Write Operation (option 2), a new WORM cartridge will be initialized as one partition DDS
emulation mode.