dup(4)dup(4)Namedup - BISYNC data communications interface
device dup0 at uba0 csr 0170000 flags 0x0f vector duprint dupxint
The data communications device is used only with the 2780/3780 Terminal
Emulator. It has no programmable user interface.
When a system is generated for 2780/3780 emulation on UNIBUS host
machines, the data communications device must be specified in the con‐
figuration file as
To boot a UNIBUS device having 2780/3780 emulation, the must be speci‐
fied in the file. This device is specified by removing the comment
sign from the command line already placed in the file:
#/etc/bscconfig dup0 bsc 1
The data communications device is used with the DF126 modem.
FilesSee Also2780e(1), 3780e(1), 2780d(8)