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LOG SENSE 6.Command Specification
SONY AIT-3Ex drive SDX-800V series Ver.1.1 6-25
6.6.8. Tape Capacity Log Page (Sony Unique)
The tape Capacity Log Page is used to indicate the approximate capacity of the tape currently being used. The PC
field of the LOG SENSE command is ignored for this field.
When the AIT bit is set to ZERO in Mode Sense Page 31h, the 36 bytes of the log page shall be returned.
When the AIT bit is set to ONE, the 1028 bytes of the log page shall be returned.
The 36 bytes of the log page have the following format.
Table 6-23: Tape Capacity Log Page
Bit
Byte
7 6 5 4 3 2 1 0
0 Page Code (31h)
1 Reserved (0)
2 (MSB) Page Length (00 20h when AIT bit =0
3 04 00h when AIT bit =1) (LSB)
4 (MSB) Parameter Code
5 (LSB)
6 DU (0) DS (1) TSD (1) ETC (0) TMC (11) LBIN (0) LP (0)
7 Parameter Length (04h)
8 (MSB) Parameter Value
11 (LSB)
Tape Capacity Log Page Parameters:
Table 6-24: Tape Capacity Log Parameter Codes
Parameter Code Description
0001 Remaining capacity, partition 0 (kilobytes)
0002 Reserved
0003 Maximum capacity, partition 0 (kilobytes)
0004 Reserved