dpv.4

<B>Digital的Unix操作系统VAX 4.2源码</B>

.\" SCCSID: @(#)dpv.4	8.1	9/11/90
.TH dpv 4
.SH Name
dpv \- dpv data communications interface
.SH Syntax
.B device dpv0 at uba0 csr 0170000 flags 0x0f vector dpvrint dpvxint
.SH Description
.NXR "dpv data communications interface"
.NXAM "2780e emulator spooler" "dpv data communications interface"
.NXAM "3780e emulator spooler" "dpv data communications interface"
The 
.PN dpv
data communications
interface is used only with the 2780/3780
Terminal
Emulator.  It has no programmable user interface.  
.PP
When a system
is generated for 2780/3780 emulation on Q-bus host machines, 
the 
.PN dpv
data communications must 
be specified in the configuration file as 
.PN dpv0 .
.PP
To boot a Q-bus device having
2780/3780 emulation, the 
.PN dpv 
must be specified in 
.PN rc.local.  
This interface is specified by removing the comment sign from the command
line already placed in the 
.PN rc.local
file:
.EX
#/etc/bscconfig dpv0 bsc 1
.EE
.PP
The 
.PN dpv 
data communications interface is used with the DF126 modem. 
.SH Files
.PN /etc/rc.local
.br
.PN /etc/bscconfig
.SH See Also
2780e(1), 3780e(1), 2780d(8)