1. Sony Network Walkman Eシリーズ (WalkmanStick) NW-E505 , 512MB flash memory
ttp://www.ecat.sony.co.jp/audio/walkman/cate01.cfm?B2=54&B3=2276

2. 5.4-RELEASE 及び 5.3-RELEASE(条件付) OHCI

3.
[attach]
umass0: Sony Network Walkman, rev 1.10/1.00, addr 2
da3 at umass-sim0 bus 0 target 0 lun 0
da3: <SONY NWWM MEM AAD2 1.00> Removable Direct Access SCSI-0 device
da3: 1.000MB/s transfers
da3: Attempt to query device size failed: NOT READY, Medium not present
(da3:umass-sim0:0:0:0): READ CAPACITY. CDB: 25 0 0 0 0 0 0 0 0 0
(da3:umass-sim0:0:0:0): CAM Status: SCSI Status Error
(da3:umass-sim0:0:0:0): SCSI Status: Check Condition
(da3:umass-sim0:0:0:0): UNIT ATTENTION asc:28,0
(da3:umass-sim0:0:0:0): Not ready to ready change, medium may have changed
(da3:umass-sim0:0:0:0): Retrying Command (per Sense Data)
[detach]
umass0: at uhub0 port 2 (addr 2) disconnected
(da3:umass-sim0:0:0:0): lost device
(da3:umass-sim0:0:0:0): removing device entry
umass0: detached

3+. (usbdevs -v)
port 2 addr 2: full speed, power 500 mA, config 1, Network Walkman(0x01fb), Sony(0x054c), rev 1.00