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Diffstat (limited to 'static/openbsd/man4/man4.i386/npx.4')
| -rw-r--r-- | static/openbsd/man4/man4.i386/npx.4 | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/static/openbsd/man4/man4.i386/npx.4 b/static/openbsd/man4/man4.i386/npx.4 new file mode 100644 index 00000000..2a3e6065 --- /dev/null +++ b/static/openbsd/man4/man4.i386/npx.4 @@ -0,0 +1,63 @@ +.\" $OpenBSD: npx.4,v 1.15 2007/06/20 14:11:33 jmc Exp $ +.\" +.\" Copyright (c) 1993 Christopher G. Demetriou +.\" All rights reserved. +.\" +.\" Redistribution and use in source and binary forms, with or without +.\" modification, are permitted provided that the following conditions +.\" are met: +.\" 1. Redistributions of source code must retain the above copyright +.\" notice, this list of conditions and the following disclaimer. +.\" 2. Redistributions in binary form must reproduce the above copyright +.\" notice, this list of conditions and the following disclaimer in the +.\" documentation and/or other materials provided with the distribution. +.\" 3. All advertising materials mentioning features or use of this software +.\" must display the following acknowledgement: +.\" This product includes software developed by Christopher G. Demetriou. +.\" 3. The name of the author may not be used to endorse or promote products +.\" derived from this software without specific prior written permission +.\" +.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR +.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES +.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. +.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, +.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT +.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF +.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +.\" +.Dd $Mdocdate: June 20 2007 $ +.Dt NPX 4 i386 +.Os +.Sh NAME +.Nm npx +.Nd Numeric Processing Extension coprocessor and emulator +.Sh SYNOPSIS +.\" XXX this is awful hackery to get it to work right... -- cgd +.Cd "npx0 at isa? port" \&"IO_NPX0\&" irq 13 +.Sh DESCRIPTION +The +.Nm +driver enables the use of the system's Numeric Processing Extension +coprocessor, +if one is present. +Numeric processing extensions are present in systems with +.Tn 486DX +CPUs and in systems with +.Tn 387 +or +.Tn 487SX +coprocessors. +The +.Nm +driver is required for proper system functioning regardless +of whether or not an NPX is present. +.Sh SEE ALSO +.Xr intro 4 , +.Xr isa 4 +.Sh BUGS +There are lots of them, especially on cheap motherboards. +In particular, some motherboards do not have the interrupt lines from the NPX +to the CPU wired properly. |
