[maxrussell]

I'm trying to mount a Western Digital Passport drive. I can see it turn up in /dev as da0s1.

I try to mount it, thusly:

sudo mount -t msdosfs -o -m=644,-M=755 /dev/da0s1 /mnt/flash/

however I keep getting either:

mount_msdosfs: /dev/da0s1: : Input/output error

I am working on the premise that this is msdosfs here.