Manual Reference Pages - MMC (4)
- MultiMediaCard and SD Card bus driver
.Cd device mmc
driver implements the MMC and SD Card bus.
driver supports all MMC and SD bridges in the system.
All SD or MMC cards in the system attach to an instance of
bus typically has only one slot, and only memory cards.
MultiMediaCards exist only in memory.
SD Cards exist as memory, I/O, or combination cards.
SD Specifications, Part 1, Physical Layer, Simplified Specification
The MultiMediaCard System Specification
SDIO cards currently do not work.
Visit the GSP FreeBSD Man Page Interface.
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