/var/log/messages の記録

/kernel: umass0: ASAHI PENTAX PENTAX OPTIO 430RS, rev 1.00/10.00, addr 2
/kernel: da0 at umass-sim0 bus 0 target 0 lun 0
/kernel: da0: <PENTAX DIGITAL_CAMERA 1.00> Removable Direct Access SCSI-0 device 
/kernel: da0: 150KB/s transfers
/kernel: da0: 61MB (125184 512 byte sectors: 0H 0S/T 0C)

usbdevs -v の結果

Controller /dev/usb0:
addr 1: self powered, config 1, UHCI root hub(0x0000), Intel(0x0000), rev 0x0100
 port 1 addr 2: self powered, config 1, PENTAX OPTIO 430RS(0x0004), ASAHI PENTAX(0x0a17), rev 0x1000
 port 2 powered