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WBSD(4) Device Drivers Manual WBSD(4)

wbsdWinbond W83L518D/W83L519D SD memory card interface

wbsd* at ebus?
sdmmc* at wbsd?

The wbsd driver provides support for the SD memory card interface of the Winbond W83L518D/W83L519D integrated media reader.

The sdmmc(4) subsystem performs SD/MMC transactions to communicate with whatever MMC, SD, SDHC, or SDIO devices are inserted into the SD slot.

intro(4), sdmmc(4)

The wbsd driver first appeared in OpenBSD 4.7.

The wbsd driver was written by Jared D. McNeill <> and ported to OpenBSD by Mark Kettenis <>.

July 16, 2013 OpenBSD-6.3