1.\" $NetBSD: sdhc.4,v 1.2 2009/08/02 00:19:29 nonaka Exp $ 2.\" $OpenBSD: sdhc.4,v 1.4 2009/02/14 18:47:45 deraadt Exp $ 3.\" 4.\" Theo de Raadt, 2006. Public Domain. 5.\" 6.Dd April 21, 2009 7.Dt SDHC 4 8.Os 9.Sh NAME 10.Nm sdhc 11.Nd SD Host Controller 12.Sh SYNOPSIS 13.Cd "sdhc* at pci?" 14.Cd "sdmmc* at sdhc?" 15.Sh DESCRIPTION 16The 17.Nm 18driver provides support for SD controllers following the 19SD Host Controller Standard Simplified Specification. 20.Pp 21The 22.Xr sdmmc 4 23subsystem performs SD/MMC transactions to communicate with 24whatever MMC, SD, SDHC, or SDIO devices are inserted into the SD slot. 25.Sh SEE ALSO 26.Xr intro 4 , 27.Xr sdmmc 4 28.Sh HISTORY 29The 30.Nm 31driver was written by 32.An Uwe Stuehler 33.Aq uwe@openbsd.org 34for 35.Ox 36and ported to 37.Nx 38by 39.An NONAKA Kimihiro 40.Aq nonaka@netbsd.org . 41