sh man page on Ultrix

sh man page on Ultrix

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sh(4)									 sh(4)

Name
       sh - Small VAX DHT32 serial line interface

Syntax
       device sh0 at uba0 csr 0x38000000 flags 0xff vector shrint shxint

Description
       A  DHT32	 provides eight asynchronous communication lines with no modem
       control.

       Each line attached to the DHT32 communications multiplexer  behaves  as
       described in Input and output for each line can be set independently to
       run at any of 16 speeds.	 See for the coding.

       Because no modem control is provided, a flags field  of	0xff  must  be
       specified to ensure that all lines will be handled as data leads only.

Diagnostics
       sh%d: DIAG. FAILURE
       A failure has been detected by internal module diagnostics.

       sh%d: recv. fifo overflow
       The  character input fifo overflowed before it could be serviced.  This
       can happen if a hard error occurs when the CPU is running with elevated
       priority.   Interrupts  are disabled, and the system then prints a mes‐
       sage on the console.

Files
See Also
       tty(4), MAKEDEV(8)

				      VAX				 sh(4)

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