.\" Copyright (c) 1983, 1991, 1993
.\" The Regents of the University of California. All rights reserved.
.\" %sccs.include.redist.man%
.\" @(#)css.4 8.1 (Berkeley) %G%
.Tn DEC IMP-11A LH/DH IMP
.Cd "pseudo-device imp device css0 \&at uba0 csr 167600 flags 10 vector cssrint cssxint"
device provides a Local Host/Distant Host
It is normally used when participating
Internet. The controller itself is not accessible
to users, but instead provides the hardware support to the
The configuration entry for the
The initialization routine was entered even though the device
did not autoconfigure. This is indicates a system problem.
.It css%d: can't initialize.
resources existed to initialize the device.
This is likely to occur when the device is run on a buffered
data path on an 11/750 and other network interfaces are also
configured to use buffered data paths, or when it is configured
to use buffered data paths on an 11/730 (which has none).
.It css%d: imp doesn't respond, icsr=%b.
The driver attempted to initialize the device, but the
failed to respond after 500 tries. Check the cabling.
.It css%d: stray output interrupt csr=%b.
An interrupt occurred when no output had previously been started.
.It css%d: output error, ocsr=%b icsr=%b.
The device indicated a problem sending data on output.
.It css%d: recv error, csr=%b.
The device indicated a problem receiving data on input.
.It css%d: bad length=%d.
An input operation resulted in a data transfer of less than
0 or more than 1008 bytes of
data into memory (according to the word count register).
This should never happen as the maximum size of a