PNPDUMP
NAME
pnpdump - Dump ISA Plug-And-Play devices resource information
SYNOPSIS
pnpdump [ [ devs ] readport ]
DESCRIPTION
pnpdump will scan all the ISA PnP cards, dumping
their resource data to stdout.
The output is in a form that can be used by isapnp,
except that the actual configuration statements are commented
out. See isapnp.conf(5) for
details of the format.
By default, pnpdump will reset all the cards into
the inactive state, then ISOLATE each one and allocate it
a handle (Card Select Number). This process will include
trying different readport addresses until a suitable
one is found avoiding conflicts with other hardware.
If a single parameter is provided, this will be used as the
minimum readport address to start scanning. This may
be chosen to avoid an unfortunate conflict.
Resetting the cards may be undesireable, in which case both
additional parameters may be supplied:
Parameters
- devs is the number of PnP cards that the BIOS has found,
-
ISOLATEd and allocated CSNs to in the system. Note that if this is
greater than the actual number of cards in the system, pnpdump will
stop scanning when it receives a first serial identifier byte of 0xff
(this is what happens when there isn't a card with that CSN).
If this parameter is provided, then pnpdump will not ISOLATE
each card and assign CSNs, however, the readport provided must
be the same as the one the BIOS used. This could be difficult to
determine if it is not assigned via a BIOS setup screen.
- readport is the address of the readport to use for the
-
Plug-And-Play access. The number base is determined by the format: a
leading 0x implies hex, a leading 0 implies octal,
otherwise decimal is assumed.
The address of the readport must be chosen to avoid any
conflicts with existing (non Plug and Play) hardware, and must be in
the range 0x203..0x3ff.
If the readport is specified without devs, then this is
the minimum readport to use when scanning for a suitable one.
Note that for the two parameter option to work, you must have a PnP
BIOS which has already carried out the ISOLATION process correctly,
and you must know what readport address the BIOS used.
FILES
- /sbin/pnpdump
-
The executable.
- /etc/isapnp.conf
-
The resting place of the editted output.
BUGS
None known about.
If you think you have found one, please send a report to
isapnp@roestock.demon.co.uk.
WARNING
This program can reset all your Plug-and-Play devices.
Use at your own risk.
AUTHOR
pnpdump has been written by Peter Fox <fox@roestock.demon.co.uk>,
the creator and maintainer of isapnptools.
AVAILABILITY
The latest version of the sources may be obtained by ftp from
ftp://ftp.demon.co.uk/pub/unix/linux/utils
Or follow the pointer from my web page at
http://www.roestock.demon.co.uk/isapnptools/
REFERENCES
Plug and Play ISA Specification, Version 1.0a, May 5, 1994.
Available from ftp://ftp.microsoft.com/developer/drg/Plug-and-Play/Pnpspecs
SEE ALSO
isapnp(8), isapnp.conf(5)