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Power 6/32 Unix version 1.2b

.TH VIOC 4 4/1/84
.UC 4
.SH NAME
vioc \- VIOC-X communications multiplexer
.SH SYNOPSIS
device vx0 at vba0 csr 0xfe4000
.SH DESCRIPTION
A VIOC-X provides 16 communication lines with partial modem control,
adequate for UNIX dialup use.
Each line attached to the VIOC-X communications multiplexer
behaves as described in
.IR tty (4)
and may be set to run at any of 16 speeds; see
.IR tty (4)
for the encoding.
.PP
Each VIOC-X controller uses 3 entries in the SCB for command terminated,
acknowledge, and unsolicited (input) interrupts.
These entries start at 0x40 for the 1st controller, 0x44 for the 2nd, etc.
.SH FILES
/dev/tty[0-9][0-9]
.br
/dev/ttyd[0-9a-f]		dialups
.SH "SEE ALSO"
tty(4)

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