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Annotation of 43BSDReno/share/man/man4/man4.vax/acc.4, revision 1.1

1.1     ! root        1: .\" Copyright (c) 1983 The Regents of the University of California.
        !             2: .\" All rights reserved.
        !             3: .\"
        !             4: .\" Redistribution and use in source and binary forms are permitted provided
        !             5: .\" that: (1) source distributions retain this entire copyright notice and
        !             6: .\" comment, and (2) distributions including binaries display the following
        !             7: .\" acknowledgement:  ``This product includes software developed by the
        !             8: .\" University of California, Berkeley and its contributors'' in the
        !             9: .\" documentation or other materials provided with the distribution and in
        !            10: .\" all advertising materials mentioning features or use of this software.
        !            11: .\" Neither the name of the University nor the names of its contributors may
        !            12: .\" be used to endorse or promote products derived from this software without
        !            13: .\" specific prior written permission.
        !            14: .\" THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
        !            15: .\" WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
        !            16: .\" MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
        !            17: .\"
        !            18: .\"    @(#)acc.4       6.3 (Berkeley) 6/23/90
        !            19: .\"
        !            20: .TH ACC 4 "June 23, 1990"
        !            21: .UC 5
        !            22: .SH NAME
        !            23: acc \- ACC LH/DH IMP interface
        !            24: .SH SYNOPSIS
        !            25: .B "pseudo-device imp"
        !            26: .br
        !            27: .B "device acc0 at uba0 csr 167600 vector accrint accxint"
        !            28: .SH DESCRIPTION
        !            29: The 
        !            30: .I acc
        !            31: device provides a Local Host/Distant Host
        !            32: interface to an IMP.  It is normally used when participating
        !            33: in the DARPA Internet.  The controller itself is not accessible
        !            34: to users, but instead provides the hardware support to the IMP
        !            35: interface described in
        !            36: .IR imp (4).
        !            37: When configuring, the 
        !            38: .I imp
        !            39: pseudo-device must also be included.
        !            40: .SH DIAGNOSTICS
        !            41: .BR "acc%d: not alive" .
        !            42: The initialization routine was entered even though the device
        !            43: did not autoconfigure.  This indicates a system problem.
        !            44: .PP
        !            45: .BR "acc%d: can't initialize" .
        !            46: Insufficient UNIBUS resources existed to initialize the device.
        !            47: This is likely to occur when the device is run on a buffered
        !            48: data path on an 11/750 and other network interfaces are also
        !            49: configured to use buffered data paths, or when it is configured
        !            50: to use buffered data paths on an 11/730 (which has none).
        !            51: .PP
        !            52: .BR "acc%d: imp doesn't respond, icsr=%b" .
        !            53: The driver attempted to initialize the device, but the IMP
        !            54: failed to respond after 500 tries.  Check the cabling.
        !            55: .PP
        !            56: .BR "acc%d: stray xmit interrupt, csr=%b" .
        !            57: An interrupt occurred when no output had previously been started. 
        !            58: .PP
        !            59: .BR "acc%d: output error, ocsr=%b, icsr=%b" .
        !            60: The device indicated a problem sending data on output.
        !            61: .PP
        !            62: .BR "acc%d: input error, csr=%b" .
        !            63: The device indicated a problem receiving data on input.
        !            64: .PP
        !            65: .BR "acc%d: bad length=%d" .
        !            66: An input operation resulted in a data transfer of less than
        !            67: 0 or more than 1008 bytes of
        !            68: data into memory (according to the word count register).
        !            69: This should never happen as the maximum size of a host-IMP
        !            70: message is 1008 bytes.
        !            71: .SH "SEE ALSO"
        !            72: netintro(4)

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