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.TH scsiloop 1
.SH NAME
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scsiloop \- Tool for testing the PiSCSI board with a loopback adapter installed
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.SH SYNOPSIS
.B scsiloop
[\fB \- L\fR \fI LOG_LEVEL\fR ]
.SH DESCRIPTION
.B scsiloop
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Performs a self-test of the PiSCSI 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 PiSCSI SCSI connector.
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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 |
.SH OPTIONS
.TP
.BR \- L\fI " " \fI LOG_LEVEL
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The piscsi log level (trace, debug, info, warn, err, off). The default log level is 'info'.
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.SH SEE ALSO
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scsictl(1), piscsi(1), scsimon(1)
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Full documentation is available at: <https://www.piscsi.com>