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Annotation of 43BSDReno/share/man/man4/man4.vax/css.4, revision 1.1.1.1

1.1       root        1: .\" Copyright (c) 1983 Regents of the University of California.
                      2: .\" All rights reserved.  The Berkeley software License Agreement
                      3: .\" specifies the terms and conditions for redistribution.
                      4: .\"
                      5: .\"    @(#)css.4       6.1 (Berkeley) 5/15/85
                      6: .\"
                      7: .TH CSS 4 "May 15, 1985"
                      8: .UC 5
                      9: .SH NAME
                     10: css \- DEC IMP-11A LH/DH IMP interface
                     11: .SH SYNOPSIS
                     12: .B "pseudo-device imp"
                     13: .br
                     14: .B "device css0 at uba0 csr 167600 flags 10 vector cssrint cssxint"
                     15: .SH DESCRIPTION
                     16: The 
                     17: .I css
                     18: device provides a Local Host/Distant Host
                     19: interface to an IMP.  It is normally used when participating
                     20: in the DARPA Internet.  The controller itself is not accessible
                     21: to users, but instead provides the hardware support to the IMP
                     22: interface described in
                     23: .IR imp (4).
                     24: When configuring, the 
                     25: .I imp
                     26: pseudo-device is also included.
                     27: .SH DIAGNOSTICS
                     28: .BR "css%d: not alive" .
                     29: The initialization routine was entered even though the device
                     30: did not autoconfigure.  This is indicates a system problem.
                     31: .PP
                     32: .BR "css%d: can't initialize" .
                     33: Insufficient UNIBUS resources existed to initialize the device.
                     34: This is likely to occur when the device is run on a buffered
                     35: data path on an 11/750 and other network interfaces are also
                     36: configured to use buffered data paths, or when it is configured
                     37: to use buffered data paths on an 11/730 (which has none).
                     38: .PP
                     39: .BR "css%d: imp doesn't respond, icsr=%b" .
                     40: The driver attempted to initialize the device, but the IMP
                     41: failed to respond after 500 tries.  Check the cabling.
                     42: .PP
                     43: .BR "css%d: stray output interrupt csr=%b" .
                     44: An interrupt occurred when no output had previously been started. 
                     45: .PP
                     46: .BR "css%d: output error, ocsr=%b icsr=%b" .
                     47: The device indicated a problem sending data on output.
                     48: .PP
                     49: .BR "css%d: recv error, csr=%b" .
                     50: The device indicated a problem receiving data on input.
                     51: .PP
                     52: .BR "css%d: bad length=%d" .
                     53: An input operation resulted in a data transfer of less than
                     54: 0 or more than 1008 bytes of
                     55: data into memory (according to the word count register).
                     56: This should never happen as the maximum size of a host-IMP
                     57: message is 1008 bytes.

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