XG Series User's Guide Chapter 5 Command Reference
USB connection Counter, Log, Statistics, and Status Display and Clear
Operation Commands
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2) USB device controller status
Status is displayed via the following messages:
Uninit: not initialized
Initializing [1/2] (Set configuration)
Initializing [2/2] (Get max lun)
Get device specs [1/5] (Test unit ready)
Get device specs [2/5] (Inquiry)
Get device specs [3/5] (Mode sense)
Get device specs [4/5] (Read capacity)
Get device specs [5/5] (Read format capacities)
Idle: waiting for transfer request
Transferring
Waiting for unplugging: failure detection
Unplugging
3) Speed
Status is displayed via the following messages.
Warning: The speed displayed is the transfer rate of the USB device, and is not
the transfer throughput.
High : high speed mode (480Mbps)
Full : full speed mode (12Mbps)
Low : low speed mode (1.5Mbps)
4) Geometry probing status
Geometry refers to the total number of sectors, cylinders, heads, and the
number of sectors per track on the mass storage device.
Status is displayed via the following messages:
Success : Success (partly guessed)
Failed : Not yet detection has not yet occurred
5) Detailed display of geometry probing status
Geometry is detected via SCSI commands (TEST_UNIT_READY, INQUIRY,
MODE SENSE(6), READ CAPACITY, READ FORMAT CAPACITIES).
The execution status of each command is displayed via the following messages.
Success
Failed (no data)
Failed (retry out)
Failed
----: not executed
6) Hold data
Displays the presence or absence of transfer requests received from the file
system.
Status is displayed via the following messages:
Exists
Not exists
Items 7), 8), 9), and 10) below are displayed only when an error occurs in which
transfer processing cannot continue.
7) Error status
When an error occurs the USB device controller status, (2) above, is displayed.
8) Error reason
The reason transfer cannot continue is displayed.
9) Error event
Internal information is displayed.