1.\" $OpenBSD: cbus.4,v 1.5 2020/06/08 00:56:19 aoyama Exp $ 2.\" 3.\" Copyright (c) 2014 Kenji Aoyama. 4.\" 5.\" Permission to use, copy, modify, and distribute this software for any 6.\" purpose with or without fee is hereby granted, provided that the above 7.\" copyright notice and this permission notice appear in all copies. 8.\" 9.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16.Dd $Mdocdate: June 8 2020 $ 17.Dt CBUS 4 luna88k 18.Os 19.Sh NAME 20.Nm cbus 21.Nd NEC PC-9801 extension board slot bus 22.Sh SYNOPSIS 23.Cd "cbus0 at mainbus0" 24.Sh DESCRIPTION 25.Nm 26is a bus interface of "NEC PC-9801 extension board slot" (so-called 27"C-bus" in Japan) on LUNA-88K2. 28The original LUNA-88K does not have this slot. 29.Sh LIST OF DEVICES 30The devices currently supported on 31.Nm 32are: 33.Pp 34.Bl -tag -width 10n -offset 3n -compact 35.It Xr ne 4 36Allied Telesis CentreCOM LA-98 series 37.It Xr necsb 4 38NEC PC-9801-86 sound board 39.It Xr pcexmem 4 40NEC PC-9801 extension board slot 41.It Xr pcmcia 4 42PCMCIA (PC Card) support 43.El 44.Sh SEE ALSO 45.Xr intro 4 46.Sh HISTORY 47The 48.Nm 49bus interface first appeared in 50.Ox 5.7 . 51