Operating instructions

SEPTEMBER 2005 MAGNUM 1X7 LTO AUTOLOADER
10-7
WHAT THE AUTOLOADER RETURNS
10.3.4 DEVICE CAPABILITIES PAGE (PAGE CODE 1Fh)
PS (Page Savable) – Byte 00, Bit 7
The value returned for this field is 0, which indicates that the autoloader
cannot save this page to nonvolatile memory.
Page Code – Byte 00, Bits 5 through 0
This field identifies the page code for the Device Capabilities page. The value
returned for this field is 1Fh.
Parameter Length – Byte 01
The Parameter Length is 12h (18), which indicates that there are an additional
18 bytes of device capabilities data that follow this byte.
DT (Data Transfer Element) – Byte 02, Bit 3
The value returned for this field is 1, which indicates that the tape drive can
store cartridges. (A cartridge in a tape drive, either loaded or ejected, is
considered “stored” in the tape drive.)
I/E (Import/Export Element) – Byte 02, Bit 2
The value returned for this field indicates whether the autoloader has an
entry/exit port that can store a data cartridge. The autoloader does not have an
entry/exit port. The valid value for this field is 0.
Bit
Byte
7 6 5 4 3 2 1 0
00 PS RSVD Page Code (1Fh)
01 Parameter Length (12h)
02 Reserved
DT
1
I/E
0
ST
1
MT
0
03 Reserved
04 Reserved
MT→DT
0
MT→I/E
0
MT→ST
0
MT→MT
0
05 Reserved
ST→DT
1
ST→I/E
0
ST→ST
0
ST→MT
0
06 Reserved
I/E→DT
0
I/E→I/E
0
I/E→ST
0
I/E→MT
0
07 Reserved
DT→DT
0
DT→I/E
0
DT→ST
1
DT→MT
0
08
Reserved
...
19