| SDHC(4) | Kernel Interfaces Manual | SDHC(4) | 
NAME
 sdhc — SD Host Controller
SYNOPSIS
 sdhc* at pci?
sdhc* at cardbus? function ?
sdmmc* at sdhc?
DESCRIPTION
 The 
sdhc driver provides support for SD controllers following the SD Host Controller Standard Simplified Specification.
The sdmmc(4) subsystem performs SD/MMC transactions to communicate with whatever MMC, SD, SDHC, or SDIO devices are inserted into the SD slot.
 
HISTORY
 The sdhc driver was written by Uwe Stuehler <uwe@openbsd.org> for OpenBSD and ported to NetBSD by NONAKA Kimihiro <nonaka@netbsd.org>.