玄芝用にmicroSDHCカード(PL-MicroSDHC4G)購入

root@debian:~# dmesg
・・・
mmc0: host does not support reading read-only switch. assuming write-enable.
mmc0: new high speed SDHC card at address 0001
mmcblk0: mmc0:0001 00000 3977216KiB
 mmcblk0: p1

root@debian:~# mount /dev/mmcblk0p1 /mnt/tmp
root@debian:~# ls /mnt/tmp
root@debian:~# mount
rootfs on / type rootfs (rw)
tmpfs on /lib/init/rw type tmpfs (rw,nosuid,mode=0755)
/proc on /proc type proc (rw,noexec,nosuid,nodev)
sysfs on /sys type sysfs (rw,noexec,nosuid,nodev)
varrun on /var/run type tmpfs (rw,nosuid,mode=0755)
varlock on /var/lock type tmpfs (rw,noexec,nosuid,nodev,mode=1777)
udev on /dev type tmpfs (rw,mode=0755)
tmpfs on /dev/shm type tmpfs (rw,nosuid,nodev)
devpts on /dev/pts type devpts (rw,noexec,nosuid,gid=5,mode=620)
tmpfs on /var/cache/apt type tmpfs (rw,noatime)
/dev/mmcblk0p1 on /mnt/tmp type vfat (rw)
root@debian:~# df -h
Filesystem            Size  Used Avail Use% Mounted on
rootfs                507M  149M  359M  30% /
tmpfs                 252M     0  252M   0% /lib/init/rw
varrun                252M  260K  252M   1% /var/run
varlock               252M     0  252M   0% /var/lock
udev                  252M   12K  252M   1% /dev
tmpfs                 252M     0  252M   0% /dev/shm
tmpfs                 252M   22M  231M   9% /var/cache/apt
/dev/mmcblk0p1        3.8G   32K  3.8G   1% /mnt/tmp

root@debian:~# fdisk -l /dev/mmcblk0

Disk /dev/mmcblk0: 4072 MB, 4072669184 bytes
53 heads, 52 sectors/track, 2886 cylinders
Units = cylinders of 2756 * 512 = 1411072 bytes
Disk identifier: 0x00000000

        Device Boot      Start         End      Blocks   Id  System
/dev/mmcblk0p1               3        2887     3973120    b  W95 FAT32