Character devices:
  1 mem
  4 sclp_line
  4 ttysclp
  5 /dev/tty
  5 /dev/console
  5 /dev/ptmx
 10 misc
 13 input
 21 sg
128 ptm
136 pts
227 3270/tty
228 fs3270
250 ss
251 kdump
252 trace
253 bsg
254 watchdog

Block devices:
259 blkext
  8 sd
 65 sd
 66 sd
 67 sd
 68 sd
 69 sd
 70 sd
 71 sd
 94 dasd
128 sd
129 sd
130 sd
131 sd
132 sd
133 sd
134 sd
135 sd
254 device-mapper