3 .\" Kazutaka YOKOTA <yokota@zodiac.mech.utsunomiya-u.ac.jp>
4 .\" All rights reserved.
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16 .\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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27 .\" $FreeBSD: src/share/man/man4/atkbdc.4,v 1.9.2.4 2001/08/17 13:08:37 ru Exp $
28 .\" $DragonFly: src/share/man/man4/atkbdc.4,v 1.2 2003/06/17 04:36:58 dillon Exp $
35 .Nd the AT keyboard controller interface
37 .Cd "options KBD_RESETDELAY=N"
38 .Cd "options KBD_MAXWAIT=N"
39 .Cd "options KBDIO_DEBUG=N"
40 .Cd "device atkbdc0 at isa? port IO_KBD"
42 The keyboard controller
44 provides I/O services for the AT keyboard and PS/2 mouse style
46 This controller is required for the keyboard driver
48 and the PS/2 pointing device driver
53 device configured in the system.
54 .Sh DRIVER CONFIGURATION
55 .Ss Kernel Configuration Options
56 The following kernel configuration options can be used to control the
59 They may be set in the kernel configuration file
63 .It Em KBD_RESETDELAY=X , KBD_MAXWAIT=Y
66 and the pointing device driver
70 driver to reset these devices during the boot process.
71 It sometimes takes a long time before these devices respond to
73 These options control how long the
76 wait before eventually giving up -- the driver will wait
81 If the drivers seem unable to detect
82 devices, you may want to increase these values.
83 The default values are
90 Sets the debug level to
92 The default value is zero, which suppresses all debugging output.
107 driver first appeared in
109 It is based on the kbdio module in
112 The kbdio module, the
114 driver and this manual page were written by
115 .An Kazutaka Yokota Aq yokota@FreeBSD.org .