lbolt error : how to find the device in HP-UX?

1. # dmesg | grep lbolt | grep dev

SCSI: Request Timeout -- lbolt: 74105435, dev: 1f000000
SCSI: Abort Tag -- lbolt: 74105435, dev: 1f000000, io_id: 4ead34

2. # printf "%#d\n" 0x1f

Character Block Driver Class
31 -1 fcd fc
188 31 sdisk disk

3. # lsdev 31

4. ll -R /dev/ | grep 31 | grep 0x000000

5. lssf /dev/dsk/c?t?d?