126 lines
3.2 KiB
HTML
126 lines
3.2 KiB
HTML
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<HTML><HEAD><TITLE>Man page of KBDRATE</TITLE>
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</HEAD><BODY>
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<H1>KBDRATE</H1>
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Section: Linux Programmer's Manual (8)<BR>Updated: 22 June 1994<BR><A HREF="#index">Index</A>
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<A HREF="/cgi-bin/man/man2html">Return to Main Contents</A><HR>
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<A NAME="lbAB"> </A>
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<H2>NAME</H2>
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kbdrate - reset the keyboard repeat rate and delay time
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<A NAME="lbAC"> </A>
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<H2>SYNOPSIS</H2>
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<B>kbdrate [ -s ] [ -r</B>
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rate
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<B>] [ -d</B>
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delay
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<B>]</B>
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<A NAME="lbAD"> </A>
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<H2>DESCRIPTION</H2>
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<B>kbdrate</B>
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is used to change the keyboard repeat rate and delay time. The delay
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is the amount of time that a key must be depressed before it will start to
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repeat.
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<P>
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Using
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<B>kbdrate</B>
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without any options will reset the repeat rate to 10.9 characters per second (cps)
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and the delay to 250 milliseconds (ms) for Intel- and M68K-based systems.
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These are the IBM defaults. On SPARC-based systems it will reset the repeat rate
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to 5 cps and the delay to 200 ms.
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<P>
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<A NAME="lbAE"> </A>
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<H2>OPTIONS</H2>
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<DL COMPACT>
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<DT id="1"><B>-s</B>
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<DD>
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Silent. No messages are printed.
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<DT id="2"><B>-r</B><I> rate</I>
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<DD>
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Change the keyboard repeat rate to
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<I>rate</I>
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cps. For Intel-based systems, the allowable range is from 2.0 to 30.0 cps.
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Only certain, specific values are possible, and the program will select the
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nearest possible value to the one specified. The possible values are given,
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in characters per second, as follows: 2.0, 2.1, 2.3, 2.5, 2.7, 3.0, 3.3, 3.7,
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4.0, 4.3, 4.6, 5.0, 5.5, 6.0, 6.7, 7.5, 8.0, 8.6, 9.2, 10.0, 10.9, 12.0, 13.3,
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15.0, 16.0, 17.1, 18.5, 20.0, 21.8, 24.0, 26.7, 30.0.
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For SPARC-based systems, the allowable range is from 0 (no repeat) to 50 cps.
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<DT id="3"><B>-d</B><I> delay</I>
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<DD>
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Change the delay to
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<I>delay</I>
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milliseconds.
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For Intel-based systems, the allowable range is from 250 to 1000 ms,
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in 250 ms steps. For SPARC systems, possible values are between 10 ms and 1440 ms,
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in 10 ms steps.
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<DT id="4"><B>-V --version</B>
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<DD>
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Display a version number and exit.
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</DL>
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<A NAME="lbAF"> </A>
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<H2>BUGS</H2>
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Not all keyboards support all rates.
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<P>
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Not all keyboards have the rates mapped in the same way.
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<P>
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Setting the repeat rate on the Gateway AnyKey keyboard does not work. If
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someone with a Gateway figures out how to program the keyboard, please send
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mail to <A HREF="mailto:util-linux@math.uio.no">util-linux@math.uio.no</A>.
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<P>
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All this is very architecture dependent.
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Nowadays
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<B>kbdrate</B>
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first tries the KDKBDREP and KIOCSRATE ioctls.
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(The former usually works on an m68k machine, the latter for SPARC.)
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When these ioctls fail an ioport interface as on i386 is assumed.
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<A NAME="lbAG"> </A>
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<H2>FILES</H2>
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<I>/etc/rc.local</I>
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<BR>
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<I>/dev/port</I>
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<P>
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<HR>
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<A NAME="index"> </A><H2>Index</H2>
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<DL>
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<DT id="5"><A HREF="#lbAB">NAME</A><DD>
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<DT id="6"><A HREF="#lbAC">SYNOPSIS</A><DD>
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<DT id="7"><A HREF="#lbAD">DESCRIPTION</A><DD>
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<DT id="8"><A HREF="#lbAE">OPTIONS</A><DD>
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<DT id="9"><A HREF="#lbAF">BUGS</A><DD>
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<DT id="10"><A HREF="#lbAG">FILES</A><DD>
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</DL>
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<HR>
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This document was created by
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<A HREF="/cgi-bin/man/man2html">man2html</A>,
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using the manual pages.<BR>
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Time: 00:06:13 GMT, March 31, 2021
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</BODY>
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