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scsiloop(1)                                                                                              General Commands Manual                                                                                              scsiloop(1)

NAME
       scsiloop - Tool for testing the RaSCSI board with a loopback adapter installed

SYNOPSIS
       scsiloop [-L LOG_LEVEL]

DESCRIPTION
       scsiloop Performs a self-test of the RaSCSI hardware to ensure that the board is functioning properly. In order for this tool to work, a special loopback cable MUST be attached to the RaSCSI SCSI connector.

       In addition to testing the GPIO signals, scsiloop will perform a self-test of the hardware timers that are built into the system on a chip (SoC).

       The loopback connections for the DB25 connector are shown here:

           |Pin | Name | Pin | Name |
           +----+------+-----+------+
           |  1 | REQ  | 13  | DB7  |
           |  2 | MSG  | 12  | DB6  |
           |  3 | I/O  | 11  | DB5  |
           |  4 | RST  | 10  | DB3  |
           |  5 | ACK  |  8  | DB0  |
           |  6 | BSY  | 20  | DBP  |
           | 15 | C/D  | 23  | DB4  |
           | 17 | ATN  | 22  | DB2  |
           | 19 | SEL  | 21  | DB1  |

OPTIONS
       -L LOG_LEVEL
              The rascsi log level (trace, debug, info, warn, err, off). The default log level is 'info'.

SEE ALSO
       rasctl(1), rascsi(1), scsimon(1)

       Full documentation is available at: <https://www.github.com/akuker/RASCSI/wiki/>

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