mmc0: <MMC/SD bus> on sdhci_pci0
mmcsd0: 32GB <SDHC SU32G 8.0 SN 3228943 MFG 06/2013 by 3 SD> at mmc0 50.0MHz/4bit/65535-block
# gpart show mmcsd0
=> 63 62333889 mmcsd0 MBR (30G)
63 8129 - free - (4.0M)
8192 62325760 1 !12 (30G)