插入USB后如何在 TTL模式下访问他 日志文件如下

kcnmbb

插入 USB后 终端提示信息

# usb 1-1: new high speed USB device using solosW-ehci and address 2
usb 1-1: Product: DataTraveler2.0
usb 1-1: Manufacturer: Kingston
usb 1-1: SerialNumber: 90A40D000001
scsi0 : SCSI emulation for USB Mass Storage devices
  Vendor: Kingston  Model: DataTraveler2.0   Rev: PMAP
  Type:   Direct-Access                      ANSI SCSI revision: 00
SCSI device sda: 7823360 512-byte hdwr sectors (4006 MB)
sda: assuming Write Enabled
sda: assuming drive cache: write through
SCSI device sda: 7823360 512-byte hdwr sectors (4006 MB)
sda: assuming Write Enabled
sda: assuming drive cache: write through
sda: sda1
Attached scsi removable disk sda at scsi0, channel 0, id 0, lun 0

如何访问换个USB设备