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linux-4q4s:/home/eagle # sane-find-scanner -v -v
This is sane-find-scanner from sane-backends 1.0.22

? # sane-find-scanner will now attempt to detect your scanner. If the
? # result is different from what you expected, first make sure your
? # scanner is powered up and properly connected to your computer.

searching for SCSI scanners:
checking /dev/scanner... failed to open (Invalid argument)
checking /dev/sg0... failed to open (Invalid argument)
checking /dev/sg1... failed to open (Invalid argument)
checking /dev/sg2... failed to open (Invalid argument)
checking /dev/sg3... failed to open (Invalid argument)
checking /dev/sg4... failed to open (Invalid argument)
checking /dev/sg5... failed to open (Invalid argument)
checking /dev/sg6... failed to open (Invalid argument)
checking /dev/sg7... open ok
? Inquiry for device:
??? 000: 03 80 05 32 1f 00 00 00 4d 61 72 76 65 6c 6c 20??? ...2....Marvell 
??? 016: 39 31 78 78 20 43 6f 6e 66 69 67 20 20 20 20 20??? 91xx Config???? 
??? 032: 31 2e 30 31??????????????????????????????????????? 1.01
found SCSI processor "Marvell 91xx Config 1.01" at /dev/sg7
checking /dev/sg8... failed to open (Invalid argument)
checking /dev/sg9... failed to open (Invalid argument)
checking /dev/sga... failed to open (Invalid argument)
checking /dev/sgb... failed to open (Invalid argument)
checking /dev/sgc... failed to open (Invalid argument)
checking /dev/sgd... failed to open (Invalid argument)
checking /dev/sge... failed to open (Invalid argument)
checking /dev/sgf... failed to open (Invalid argument)
checking /dev/sgg... failed to open (Invalid argument)
checking /dev/sgh... failed to open (Invalid argument)
checking /dev/sgi... failed to open (Invalid argument)
checking /dev/sgj... failed to open (Invalid argument)
checking /dev/sgk... failed to open (Invalid argument)
checking /dev/sgl... failed to open (Invalid argument)
checking /dev/sgm... failed to open (Invalid argument)
checking /dev/sgn... failed to open (Invalid argument)
checking /dev/sgo... failed to open (Invalid argument)
checking /dev/sgp... failed to open (Invalid argument)
checking /dev/sgq... failed to open (Invalid argument)
checking /dev/sgr... failed to open (Invalid argument)
checking /dev/sgs... failed to open (Invalid argument)
checking /dev/sgt... failed to open (Invalid argument)
checking /dev/sgu... failed to open (Invalid argument)
checking /dev/sgv... failed to open (Invalid argument)
checking /dev/sgw... failed to open (Invalid argument)
checking /dev/sgx... failed to open (Invalid argument)
checking /dev/sgy... failed to open (Invalid argument)
checking /dev/sgz... failed to open (Invalid argument)
? # Your SCSI scanner was detected. It may or may not be supported by SANE. Try
? # scanimage -L and read the backend's manpage.

searching for USB scanners:
checking /dev/usb/scanner... failed to open (Invalid argument)
checking /dev/usb/scanner0... failed to open (Invalid argument)
checking /dev/usb/scanner1... failed to open (Invalid argument)
checking /dev/usb/scanner2... failed to open (Invalid argument)
checking /dev/usb/scanner3... failed to open (Invalid argument)
checking /dev/usb/scanner4... failed to open (Invalid argument)
checking /dev/usb/scanner5... failed to open (Invalid argument)
checking /dev/usb/scanner5... failed to open (Invalid argument)
checking /dev/usb/scanner7... failed to open (Invalid argument)
checking /dev/usb/scanner8... failed to open (Invalid argument)
checking /dev/usb/scanner9... failed to open (Invalid argument)
checking /dev/usb/scanner10... failed to open (Invalid argument)
checking /dev/usb/scanner11... failed to open (Invalid argument)
checking /dev/usb/scanner12... failed to open (Invalid argument)
checking /dev/usb/scanner13... failed to open (Invalid argument)
checking /dev/usb/scanner14... failed to open (Invalid argument)
checking /dev/usb/scanner15... failed to open (Invalid argument)
checking /dev/usbscanner... failed to open (Invalid argument)
checking /dev/usbscanner0... failed to open (Invalid argument)
checking /dev/usbscanner1... failed to open (Invalid argument)
checking /dev/usbscanner2... failed to open (Invalid argument)
checking /dev/usbscanner3... failed to open (Invalid argument)
checking /dev/usbscanner4... failed to open (Invalid argument)
checking /dev/usbscanner5... failed to open (Invalid argument)
checking /dev/usbscanner6... failed to open (Invalid argument)
checking /dev/usbscanner7... failed to open (Invalid argument)
checking /dev/usbscanner8... failed to open (Invalid argument)
checking /dev/usbscanner9... failed to open (Invalid argument)
checking /dev/usbscanner10... failed to open (Invalid argument)
checking /dev/usbscanner11... failed to open (Invalid argument)
checking /dev/usbscanner12... failed to open (Invalid argument)
checking /dev/usbscanner13... failed to open (Invalid argument)
checking /dev/usbscanner14... failed to open (Invalid argument)
checking /dev/usbscanner15... failed to open (Invalid argument)
trying libusb:

<device descriptor of 0x1d6b/0x0002 at 001:001 (Linux 2.6.37.6-0.5-desktop 
ehci_hcd EHCI Host Controller)>
bLength?????????????? 18
bDescriptorType?????? 1
bcdUSB??????????????? 2.00
bDeviceClass????????? 9
bDeviceSubClass?????? 0
bDeviceProtocol?????? 0
bMaxPacketSize0?????? 64
idVendor????????????? 0x1D6B
idProduct???????????? 0x0002
bcdDevice???????????? 2.06
iManufacturer???????? 3 (Linux 2.6.37.6-0.5-desktop ehci_hcd)
iProduct????????????? 2 (EHCI Host Controller)
iSerialNumber???????? 1 (0000:00:1a.7)
bNumConfigurations??? 1
?<configuration 0>
?bLength????????????? 9
?bDescriptorType????? 2
?wTotalLength???????? 25
?bNumInterfaces?????? 1
?bConfigurationValue? 1
?iConfiguration?????? 0 ()
?bmAttributes???????? 224 (Self-poweredRemote Wakeup)
?MaxPower???????????? 0 mA
? <interface 0>
?? <altsetting 0>
?? bLength??????????? 9
?? bDescriptorType??? 4
?? bInterfaceNumber?? 0
?? bAlternateSetting? 0
?? bNumEndpoints????? 1
?? bInterfaceClass??? 9
?? bInterfaceSubClass 0
?? bInterfaceProtocol 0
?? iInterface???????? 0 ()
??? <endpoint 0>
??? bLength?????????? 7
??? bDescriptorType?? 5
??? bEndpointAddress? 0x81 (in 0x01)
??? bmAttributes????? 3 (interrupt)
??? wMaxPacketSize??? 4
??? bInterval???????? 12 ms
??? bRefresh????????? 0
??? bSynchAddress???? 0

<device descriptor of 0x1d6b/0x0002 at 002:001 (Linux 2.6.37.6-0.5-desktop 
ehci_hcd EHCI Host Controller)>
bLength?????????????? 18
bDescriptorType?????? 1
bcdUSB??????????????? 2.00
bDeviceClass????????? 9
bDeviceSubClass?????? 0
bDeviceProtocol?????? 0
bMaxPacketSize0?????? 64
idVendor????????????? 0x1D6B
idProduct???????????? 0x0002
bcdDevice???????????? 2.06
iManufacturer???????? 3 (Linux 2.6.37.6-0.5-desktop ehci_hcd)
iProduct????????????? 2 (EHCI Host Controller)
iSerialNumber???????? 1 (0000:00:1d.7)
bNumConfigurations??? 1
?<configuration 0>
?bLength????????????? 9
?bDescriptorType????? 2
?wTotalLength???????? 25
?bNumInterfaces?????? 1
?bConfigurationValue? 1
?iConfiguration?????? 0 ()
?bmAttributes???????? 224 (Self-poweredRemote Wakeup)
?MaxPower???????????? 0 mA
? <interface 0>
?? <altsetting 0>
?? bLength??????????? 9
?? bDescriptorType??? 4
?? bInterfaceNumber?? 0
?? bAlternateSetting? 0
?? bNumEndpoints????? 1
?? bInterfaceClass??? 9
?? bInterfaceSubClass 0
?? bInterfaceProtocol 0
?? iInterface???????? 0 ()
??? <endpoint 0>
??? bLength?????????? 7
??? bDescriptorType?? 5
??? bEndpointAddress? 0x81 (in 0x01)
??? bmAttributes????? 3 (interrupt)
??? wMaxPacketSize??? 4
??? bInterval???????? 12 ms
??? bRefresh????????? 0
??? bSynchAddress???? 0

<device descriptor of 0x058f/0x6377 at 002:002 (Generic Mass Storage Device)>
bLength?????????????? 18
bDescriptorType?????? 1
bcdUSB??????????????? 2.00
bDeviceClass????????? 0
bDeviceSubClass?????? 0
bDeviceProtocol?????? 0
bMaxPacketSize0?????? 64
idVendor????????????? 0x058F
idProduct???????????? 0x6377
bcdDevice???????????? 1.00
iManufacturer???????? 1 (Generic)
iProduct????????????? 2 (Mass Storage Device)
iSerialNumber???????? 3 (920321111113)
bNumConfigurations??? 1
?<configuration 0>
?bLength????????????? 9
?bDescriptorType????? 2
?wTotalLength???????? 32
?bNumInterfaces?????? 1
?bConfigurationValue? 1
?iConfiguration?????? 0 ()
?bmAttributes???????? 128 ()
?MaxPower???????????? 100 mA
? <interface 0>
?? <altsetting 0>
?? bLength??????????? 9
?? bDescriptorType??? 4
?? bInterfaceNumber?? 0
?? bAlternateSetting? 0
?? bNumEndpoints????? 2
?? bInterfaceClass??? 8
?? bInterfaceSubClass 6
?? bInterfaceProtocol 80
?? iInterface???????? 0 ()
??? <endpoint 0>
??? bLength?????????? 7
??? bDescriptorType?? 5
??? bEndpointAddress? 0x01 (out 0x01)
??? bmAttributes????? 2 (bulk)
??? wMaxPacketSize??? 512
??? bInterval???????? 0 ms
??? bRefresh????????? 0
??? bSynchAddress???? 0
??? <endpoint 1>
??? bLength?????????? 7
??? bDescriptorType?? 5
??? bEndpointAddress? 0x82 (in 0x02)
??? bmAttributes????? 2 (bulk)
??? wMaxPacketSize??? 512
??? bInterval???????? 0 ms
??? bRefresh????????? 0
??? bSynchAddress???? 0

<device descriptor of 0x046d/0x0990 at 002:006>
bLength?????????????? 18
bDescriptorType?????? 1
bcdUSB??????????????? 2.00
bDeviceClass????????? 239
bDeviceSubClass?????? 2
bDeviceProtocol?????? 1
bMaxPacketSize0?????? 64
idVendor????????????? 0x046D
idProduct???????????? 0x0990
bcdDevice???????????? 0.07
iManufacturer???????? 0 ()
iProduct????????????? 0 ()
iSerialNumber???????? 2 (5FBA670C)
bNumConfigurations??? 1
?<configuration 0>
?bLength????????????? 9
?bDescriptorType????? 2
?wTotalLength???????? 1433
?bNumInterfaces?????? 4
?bConfigurationValue? 1
?iConfiguration?????? 0 ()
?bmAttributes???????? 128 ()
?MaxPower???????????? 500 mA
? <interface 0>
?? <altsetting 0>
?? bLength??????????? 9
?? bDescriptorType??? 4
?? bInterfaceNumber?? 0
?? bAlternateSetting? 0
?? bNumEndpoints????? 1
?? bInterfaceClass??? 14
?? bInterfaceSubClass 1
?? bInterfaceProtocol 0
?? iInterface???????? 0 ()
??? <endpoint 0>
??? bLength?????????? 7
??? bDescriptorType?? 5
??? bEndpointAddress? 0x87 (in 0x07)
??? bmAttributes????? 3 (interrupt)
??? wMaxPacketSize??? 16
??? bInterval???????? 8 ms
??? bRefresh????????? 0
??? bSynchAddress???? 0
? <interface 1>
?? <altsetting 0>
?? bLength??????????? 9
?? bDescriptorType??? 4
?? bInterfaceNumber?? 1
?? bAlternateSetting? 0
?? bNumEndpoints????? 0
?? bInterfaceClass??? 14
?? bInterfaceSubClass 2
?? bInterfaceProtocol 0
?? iInterface???????? 0 ()
?? <altsetting 1>
?? bLength??????????? 9
?? bDescriptorType??? 4
?? bInterfaceNumber?? 1
?? bAlternateSetting? 1
?? bNumEndpoints????? 1
?? bInterfaceClass??? 14
?? bInterfaceSubClass 2
?? bInterfaceProtocol 0
?? iInterface???????? 0 ()
??? <endpoint 0>
??? bLength?????????? 7
??? bDescriptorType?? 5
??? bEndpointAddress? 0x81 (in 0x01)
??? bmAttributes????? 5 (isochronous)
??? wMaxPacketSize??? 192
??? bInterval???????? 1 ms
??? bRefresh????????? 0
??? bSynchAddress???? 0
?? <altsetting 2>
?? bLength??????????? 9
?? bDescriptorType??? 4
?? bInterfaceNumber?? 1
?? bAlternateSetting? 2
?? bNumEndpoints????? 1
?? bInterfaceClass??? 14
?? bInterfaceSubClass 2
?? bInterfaceProtocol 0
?? iInterface???????? 0 ()
??? <endpoint 0>
??? bLength?????????? 7
??? bDescriptorType?? 5
??? bEndpointAddress? 0x81 (in 0x01)
??? bmAttributes????? 5 (isochronous)
??? wMaxPacketSize??? 384
??? bInterval???????? 1 ms
??? bRefresh????????? 0
??? bSynchAddress???? 0
?? <altsetting 3>
?? bLength??????????? 9
?? bDescriptorType??? 4
?? bInterfaceNumber?? 1
?? bAlternateSetting? 3
?? bNumEndpoints????? 1
?? bInterfaceClass??? 14
?? bInterfaceSubClass 2
?? bInterfaceProtocol 0
?? iInterface???????? 0 ()
??? <endpoint 0>
??? bLength?????????? 7
??? bDescriptorType?? 5
??? bEndpointAddress? 0x81 (in 0x01)
??? bmAttributes????? 5 (isochronous)
??? wMaxPacketSize??? 512
??? bInterval???????? 1 ms
??? bRefresh????????? 0
??? bSynchAddress???? 0
?? <altsetting 4>
?? bLength??????????? 9
?? bDescriptorType??? 4
?? bInterfaceNumber?? 1
?? bAlternateSetting? 4
?? bNumEndpoints????? 1
?? bInterfaceClass??? 14
?? bInterfaceSubClass 2
?? bInterfaceProtocol 0
?? iInterface???????? 0 ()
??? <endpoint 0>
??? bLength?????????? 7
??? bDescriptorType?? 5
??? bEndpointAddress? 0x81 (in 0x01)
??? bmAttributes????? 5 (isochronous)
??? wMaxPacketSize??? 640
??? bInterval???????? 1 ms
??? bRefresh????????? 0
??? bSynchAddress???? 0
?? <altsetting 5>
?? bLength??????????? 9
?? bDescriptorType??? 4
?? bInterfaceNumber?? 1
?? bAlternateSetting? 5
?? bNumEndpoints????? 1
?? bInterfaceClass??? 14
?? bInterfaceSubClass 2
?? bInterfaceProtocol 0
?? iInterface???????? 0 ()
??? <endpoint 0>
??? bLength?????????? 7
??? bDescriptorType?? 5
??? bEndpointAddress? 0x81 (in 0x01)
??? bmAttributes????? 5 (isochronous)
??? wMaxPacketSize??? 800
??? bInterval???????? 1 ms
??? bRefresh????????? 0
??? bSynchAddress???? 0
?? <altsetting 6>
?? bLength??????????? 9
?? bDescriptorType??? 4
?? bInterfaceNumber?? 1
?? bAlternateSetting? 6
?? bNumEndpoints????? 1
?? bInterfaceClass??? 14
?? bInterfaceSubClass 2
?? bInterfaceProtocol 0
?? iInterface???????? 0 ()
??? <endpoint 0>
??? bLength?????????? 7
??? bDescriptorType?? 5
??? bEndpointAddress? 0x81 (in 0x01)
??? bmAttributes????? 5 (isochronous)
??? wMaxPacketSize??? 944
??? bInterval???????? 1 ms
??? bRefresh????????? 0
??? bSynchAddress???? 0
?? <altsetting 7>
?? bLength??????????? 9
?? bDescriptorType??? 4
?? bInterfaceNumber?? 1
?? bAlternateSetting? 7
?? bNumEndpoints????? 1
?? bInterfaceClass??? 14
?? bInterfaceSubClass 2
?? bInterfaceProtocol 0
?? iInterface???????? 0 ()
??? <endpoint 0>
??? bLength?????????? 7
??? bDescriptorType?? 5
??? bEndpointAddress? 0x81 (in 0x01)
??? bmAttributes????? 5 (isochronous)
??? wMaxPacketSize??? 2688
??? bInterval???????? 1 ms
??? bRefresh????????? 0
??? bSynchAddress???? 0
?? <altsetting 8>
?? bLength??????????? 9
?? bDescriptorType??? 4
?? bInterfaceNumber?? 1
?? bAlternateSetting? 8
?? bNumEndpoints????? 1
?? bInterfaceClass??? 14
?? bInterfaceSubClass 2
?? bInterfaceProtocol 0
?? iInterface???????? 0 ()
??? <endpoint 0>
??? bLength?????????? 7
??? bDescriptorType?? 5
??? bEndpointAddress? 0x81 (in 0x01)
??? bmAttributes????? 5 (isochronous)
??? wMaxPacketSize??? 2848
??? bInterval???????? 1 ms
??? bRefresh????????? 0
??? bSynchAddress???? 0
?? <altsetting 9>
?? bLength??????????? 9
?? bDescriptorType??? 4
?? bInterfaceNumber?? 1
?? bAlternateSetting? 9
?? bNumEndpoints????? 1
?? bInterfaceClass??? 14
?? bInterfaceSubClass 2
?? bInterfaceProtocol 0
?? iInterface???????? 0 ()
??? <endpoint 0>
??? bLength?????????? 7
??? bDescriptorType?? 5
??? bEndpointAddress? 0x81 (in 0x01)
??? bmAttributes????? 5 (isochronous)
??? wMaxPacketSize??? 3040
??? bInterval???????? 1 ms
??? bRefresh????????? 0
??? bSynchAddress???? 0
?? <altsetting 10>
?? bLength??????????? 9
?? bDescriptorType??? 4
?? bInterfaceNumber?? 1
?? bAlternateSetting? 10
?? bNumEndpoints????? 1
?? bInterfaceClass??? 14
?? bInterfaceSubClass 2
?? bInterfaceProtocol 0
?? iInterface???????? 0 ()
??? <endpoint 0>
??? bLength?????????? 7
??? bDescriptorType?? 5
??? bEndpointAddress? 0x81 (in 0x01)
??? bmAttributes????? 5 (isochronous)
??? wMaxPacketSize??? 4992
??? bInterval???????? 1 ms
??? bRefresh????????? 0
??? bSynchAddress???? 0
?? <altsetting 11>
?? bLength??????????? 9
?? bDescriptorType??? 4
?? bInterfaceNumber?? 1
?? bAlternateSetting? 11
?? bNumEndpoints????? 1
?? bInterfaceClass??? 14
?? bInterfaceSubClass 2
?? bInterfaceProtocol 0
?? iInterface???????? 0 ()
??? <endpoint 0>
??? bLength?????????? 7
??? bDescriptorType?? 5
??? bEndpointAddress? 0x81 (in 0x01)
??? bmAttributes????? 5 (isochronous)
??? wMaxPacketSize??? 5116
??? bInterval???????? 1 ms
??? bRefresh????????? 0
??? bSynchAddress???? 0
? <interface 2>
?? <altsetting 0>
?? bLength??????????? 9
?? bDescriptorType??? 4
?? bInterfaceNumber?? 2
?? bAlternateSetting? 0
?? bNumEndpoints????? 0
?? bInterfaceClass??? 1
?? bInterfaceSubClass 1
?? bInterfaceProtocol 0
?? iInterface???????? 0 ()
? <interface 3>
?? <altsetting 0>
?? bLength??????????? 9
?? bDescriptorType??? 4
?? bInterfaceNumber?? 3
?? bAlternateSetting? 0
?? bNumEndpoints????? 0
?? bInterfaceClass??? 1
?? bInterfaceSubClass 2
?? bInterfaceProtocol 0
?? iInterface???????? 0 ()
?? <altsetting 1>
?? bLength??????????? 9
?? bDescriptorType??? 4
?? bInterfaceNumber?? 3
?? bAlternateSetting? 1
?? bNumEndpoints????? 1
?? bInterfaceClass??? 1
?? bInterfaceSubClass 2
?? bInterfaceProtocol 0
?? iInterface???????? 0 ()
??? <endpoint 0>
??? bLength?????????? 9
??? bDescriptorType?? 5
??? bEndpointAddress? 0x86 (in 0x06)
??? bmAttributes????? 5 (isochronous)
??? wMaxPacketSize??? 36
??? bInterval???????? 4 ms
??? bRefresh????????? 0
??? bSynchAddress???? 0

<device descriptor of 0x1d6b/0x0001 at 003:001 (Linux 2.6.37.6-0.5-desktop 
uhci_hcd UHCI Host Controller)>
bLength?????????????? 18
bDescriptorType?????? 1
bcdUSB??????????????? 1.10
bDeviceClass????????? 9
bDeviceSubClass?????? 0
bDeviceProtocol?????? 0
bMaxPacketSize0?????? 64
idVendor????????????? 0x1D6B
idProduct???????????? 0x0001
bcdDevice???????????? 2.06
iManufacturer???????? 3 (Linux 2.6.37.6-0.5-desktop uhci_hcd)
iProduct????????????? 2 (UHCI Host Controller)
iSerialNumber???????? 1 (0000:00:1a.0)
bNumConfigurations??? 1
?<configuration 0>
?bLength????????????? 9
?bDescriptorType????? 2
?wTotalLength???????? 25
?bNumInterfaces?????? 1
?bConfigurationValue? 1
?iConfiguration?????? 0 ()
?bmAttributes???????? 224 (Self-poweredRemote Wakeup)
?MaxPower???????????? 0 mA
? <interface 0>
?? <altsetting 0>
?? bLength??????????? 9
?? bDescriptorType??? 4
?? bInterfaceNumber?? 0
?? bAlternateSetting? 0
?? bNumEndpoints????? 1
?? bInterfaceClass??? 9
?? bInterfaceSubClass 0
?? bInterfaceProtocol 0
?? iInterface???????? 0 ()
??? <endpoint 0>
??? bLength?????????? 7
??? bDescriptorType?? 5
??? bEndpointAddress? 0x81 (in 0x01)
??? bmAttributes????? 3 (interrupt)
??? wMaxPacketSize??? 2
??? bInterval???????? 255 ms
??? bRefresh????????? 0
??? bSynchAddress???? 0

<device descriptor of 0x1d6b/0x0001 at 004:001 (Linux 2.6.37.6-0.5-desktop 
uhci_hcd UHCI Host Controller)>
bLength?????????????? 18
bDescriptorType?????? 1
bcdUSB??????????????? 1.10
bDeviceClass????????? 9
bDeviceSubClass?????? 0
bDeviceProtocol?????? 0
bMaxPacketSize0?????? 64
idVendor????????????? 0x1D6B
idProduct???????????? 0x0001
bcdDevice???????????? 2.06
iManufacturer???????? 3 (Linux 2.6.37.6-0.5-desktop uhci_hcd)
iProduct????????????? 2 (UHCI Host Controller)
iSerialNumber???????? 1 (0000:00:1a.1)
bNumConfigurations??? 1
?<configuration 0>
?bLength????????????? 9
?bDescriptorType????? 2
?wTotalLength???????? 25
?bNumInterfaces?????? 1
?bConfigurationValue? 1
?iConfiguration?????? 0 ()
?bmAttributes???????? 224 (Self-poweredRemote Wakeup)
?MaxPower???????????? 0 mA
? <interface 0>
?? <altsetting 0>
?? bLength??????????? 9
?? bDescriptorType??? 4
?? bInterfaceNumber?? 0
?? bAlternateSetting? 0
?? bNumEndpoints????? 1
?? bInterfaceClass??? 9
?? bInterfaceSubClass 0
?? bInterfaceProtocol 0
?? iInterface???????? 0 ()
??? <endpoint 0>
??? bLength?????????? 7
??? bDescriptorType?? 5
??? bEndpointAddress? 0x81 (in 0x01)
??? bmAttributes????? 3 (interrupt)
??? wMaxPacketSize??? 2
??? bInterval???????? 255 ms
??? bRefresh????????? 0
??? bSynchAddress???? 0

<device descriptor of 0x1d6b/0x0001 at 005:001 (Linux 2.6.37.6-0.5-desktop 
uhci_hcd UHCI Host Controller)>
bLength?????????????? 18
bDescriptorType?????? 1
bcdUSB??????????????? 1.10
bDeviceClass????????? 9
bDeviceSubClass?????? 0
bDeviceProtocol?????? 0
bMaxPacketSize0?????? 64
idVendor????????????? 0x1D6B
idProduct???????????? 0x0001
bcdDevice???????????? 2.06
iManufacturer???????? 3 (Linux 2.6.37.6-0.5-desktop uhci_hcd)
iProduct????????????? 2 (UHCI Host Controller)
iSerialNumber???????? 1 (0000:00:1a.2)
bNumConfigurations??? 1
?<configuration 0>
?bLength????????????? 9
?bDescriptorType????? 2
?wTotalLength???????? 25
?bNumInterfaces?????? 1
?bConfigurationValue? 1
?iConfiguration?????? 0 ()
?bmAttributes???????? 224 (Self-poweredRemote Wakeup)
?MaxPower???????????? 0 mA
? <interface 0>
?? <altsetting 0>
?? bLength??????????? 9
?? bDescriptorType??? 4
?? bInterfaceNumber?? 0
?? bAlternateSetting? 0
?? bNumEndpoints????? 1
?? bInterfaceClass??? 9
?? bInterfaceSubClass 0
?? bInterfaceProtocol 0
?? iInterface???????? 0 ()
??? <endpoint 0>
??? bLength?????????? 7
??? bDescriptorType?? 5
??? bEndpointAddress? 0x81 (in 0x01)
??? bmAttributes????? 3 (interrupt)
??? wMaxPacketSize??? 2
??? bInterval???????? 255 ms
??? bRefresh????????? 0
??? bSynchAddress???? 0

<device descriptor of 0x1d6b/0x0001 at 006:001 (Linux 2.6.37.6-0.5-desktop 
uhci_hcd UHCI Host Controller)>
bLength?????????????? 18
bDescriptorType?????? 1
bcdUSB??????????????? 1.10
bDeviceClass????????? 9
bDeviceSubClass?????? 0
bDeviceProtocol?????? 0
bMaxPacketSize0?????? 64
idVendor????????????? 0x1D6B
idProduct???????????? 0x0001
bcdDevice???????????? 2.06
iManufacturer???????? 3 (Linux 2.6.37.6-0.5-desktop uhci_hcd)
iProduct????????????? 2 (UHCI Host Controller)
iSerialNumber???????? 1 (0000:00:1d.0)
bNumConfigurations??? 1
?<configuration 0>
?bLength????????????? 9
?bDescriptorType????? 2
?wTotalLength???????? 25
?bNumInterfaces?????? 1
?bConfigurationValue? 1
?iConfiguration?????? 0 ()
?bmAttributes???????? 224 (Self-poweredRemote Wakeup)
?MaxPower???????????? 0 mA
? <interface 0>
?? <altsetting 0>
?? bLength??????????? 9
?? bDescriptorType??? 4
?? bInterfaceNumber?? 0
?? bAlternateSetting? 0
?? bNumEndpoints????? 1
?? bInterfaceClass??? 9
?? bInterfaceSubClass 0
?? bInterfaceProtocol 0
?? iInterface???????? 0 ()
??? <endpoint 0>
??? bLength?????????? 7
??? bDescriptorType?? 5
??? bEndpointAddress? 0x81 (in 0x01)
??? bmAttributes????? 3 (interrupt)
??? wMaxPacketSize??? 2
??? bInterval???????? 255 ms
??? bRefresh????????? 0
??? bSynchAddress???? 0

<device descriptor of 0x1d6b/0x0001 at 007:001 (Linux 2.6.37.6-0.5-desktop 
uhci_hcd UHCI Host Controller)>
bLength?????????????? 18
bDescriptorType?????? 1
bcdUSB??????????????? 1.10
bDeviceClass????????? 9
bDeviceSubClass?????? 0
bDeviceProtocol?????? 0
bMaxPacketSize0?????? 64
idVendor????????????? 0x1D6B
idProduct???????????? 0x0001
bcdDevice???????????? 2.06
iManufacturer???????? 3 (Linux 2.6.37.6-0.5-desktop uhci_hcd)
iProduct????????????? 2 (UHCI Host Controller)
iSerialNumber???????? 1 (0000:00:1d.1)
bNumConfigurations??? 1
?<configuration 0>
?bLength????????????? 9
?bDescriptorType????? 2
?wTotalLength???????? 25
?bNumInterfaces?????? 1
?bConfigurationValue? 1
?iConfiguration?????? 0 ()
?bmAttributes???????? 224 (Self-poweredRemote Wakeup)
?MaxPower???????????? 0 mA
? <interface 0>
?? <altsetting 0>
?? bLength??????????? 9
?? bDescriptorType??? 4
?? bInterfaceNumber?? 0
?? bAlternateSetting? 0
?? bNumEndpoints????? 1
?? bInterfaceClass??? 9
?? bInterfaceSubClass 0
?? bInterfaceProtocol 0
?? iInterface???????? 0 ()
??? <endpoint 0>
??? bLength?????????? 7
??? bDescriptorType?? 5
??? bEndpointAddress? 0x81 (in 0x01)
??? bmAttributes????? 3 (interrupt)
??? wMaxPacketSize??? 2
??? bInterval???????? 255 ms
??? bRefresh????????? 0
??? bSynchAddress???? 0

<device descriptor of 0x1131/0x1001 at 007:002>
bLength?????????????? 18
bDescriptorType?????? 1
bcdUSB??????????????? 1.10
bDeviceClass????????? 224
bDeviceSubClass?????? 1
bDeviceProtocol?????? 1
bMaxPacketSize0?????? 16
idVendor????????????? 0x1131
idProduct???????????? 0x1001
bcdDevice???????????? 3.73
iManufacturer???????? 1 ()
iProduct????????????? 2 ()
iSerialNumber???????? 0 ()
bNumConfigurations??? 1
?<configuration 0>
?bLength????????????? 9
?bDescriptorType????? 2
?wTotalLength???????? 186
?bNumInterfaces?????? 3
?bConfigurationValue? 1
?iConfiguration?????? 0 ()
?bmAttributes???????? 192 (Self-powered)
?MaxPower???????????? 0 mA
? <interface 0>
?? <altsetting 0>
?? bLength??????????? 9
?? bDescriptorType??? 4
?? bInterfaceNumber?? 0
?? bAlternateSetting? 0
?? bNumEndpoints????? 3
?? bInterfaceClass??? 224
?? bInterfaceSubClass 1
?? bInterfaceProtocol 1
?? iInterface???????? 0 ()
??? <endpoint 0>
??? bLength?????????? 7
??? bDescriptorType?? 5
??? bEndpointAddress? 0x81 (in 0x01)
??? bmAttributes????? 3 (interrupt)
??? wMaxPacketSize??? 16
??? bInterval???????? 1 ms
??? bRefresh????????? 0
??? bSynchAddress???? 0
??? <endpoint 1>
??? bLength?????????? 7
??? bDescriptorType?? 5
??? bEndpointAddress? 0x02 (out 0x02)
??? bmAttributes????? 2 (bulk)
??? wMaxPacketSize??? 64
??? bInterval???????? 1 ms
??? bRefresh????????? 0
??? bSynchAddress???? 0
??? <endpoint 2>
??? bLength?????????? 7
??? bDescriptorType?? 5
??? bEndpointAddress? 0x82 (in 0x02)
??? bmAttributes????? 2 (bulk)
??? wMaxPacketSize??? 64
??? bInterval???????? 1 ms
??? bRefresh????????? 0
??? bSynchAddress???? 0
? <interface 1>
?? <altsetting 0>
?? bLength??????????? 9
?? bDescriptorType??? 4
?? bInterfaceNumber?? 1
?? bAlternateSetting? 0
?? bNumEndpoints????? 2
?? bInterfaceClass??? 224
?? bInterfaceSubClass 1
?? bInterfaceProtocol 1
?? iInterface???????? 0 ()
??? <endpoint 0>
??? bLength?????????? 7
??? bDescriptorType?? 5
??? bEndpointAddress? 0x03 (out 0x03)
??? bmAttributes????? 1 (isochronous)
??? wMaxPacketSize??? 0
??? bInterval???????? 1 ms
??? bRefresh????????? 0
??? bSynchAddress???? 0
??? <endpoint 1>
??? bLength?????????? 7
??? bDescriptorType?? 5
??? bEndpointAddress? 0x83 (in 0x03)
??? bmAttributes????? 1 (isochronous)
??? wMaxPacketSize??? 0
??? bInterval???????? 1 ms
??? bRefresh????????? 0
??? bSynchAddress???? 0
?? <altsetting 1>
?? bLength??????????? 9
?? bDescriptorType??? 4
?? bInterfaceNumber?? 1
?? bAlternateSetting? 1
?? bNumEndpoints????? 2
?? bInterfaceClass??? 224
?? bInterfaceSubClass 1
?? bInterfaceProtocol 1
?? iInterface???????? 0 ()
??? <endpoint 0>
??? bLength?????????? 7
??? bDescriptorType?? 5
??? bEndpointAddress? 0x03 (out 0x03)
??? bmAttributes????? 1 (isochronous)
??? wMaxPacketSize??? 9
??? bInterval???????? 1 ms
??? bRefresh????????? 0
??? bSynchAddress???? 0
??? <endpoint 1>
??? bLength?????????? 7
??? bDescriptorType?? 5
??? bEndpointAddress? 0x83 (in 0x03)
??? bmAttributes????? 1 (isochronous)
??? wMaxPacketSize??? 9
??? bInterval???????? 1 ms
??? bRefresh????????? 0
??? bSynchAddress???? 0
?? <altsetting 2>
?? bLength??????????? 9
?? bDescriptorType??? 4
?? bInterfaceNumber?? 1
?? bAlternateSetting? 2
?? bNumEndpoints????? 2
?? bInterfaceClass??? 224
?? bInterfaceSubClass 1
?? bInterfaceProtocol 1
?? iInterface???????? 0 ()
??? <endpoint 0>
??? bLength?????????? 7
??? bDescriptorType?? 5
??? bEndpointAddress? 0x03 (out 0x03)
??? bmAttributes????? 1 (isochronous)
??? wMaxPacketSize??? 17
??? bInterval???????? 1 ms
??? bRefresh????????? 0
??? bSynchAddress???? 0
??? <endpoint 1>
??? bLength?????????? 7
??? bDescriptorType?? 5
??? bEndpointAddress? 0x83 (in 0x03)
??? bmAttributes????? 1 (isochronous)
??? wMaxPacketSize??? 17
??? bInterval???????? 1 ms
??? bRefresh????????? 0
??? bSynchAddress???? 0
?? <altsetting 3>
?? bLength??????????? 9
?? bDescriptorType??? 4
?? bInterfaceNumber?? 1
?? bAlternateSetting? 3
?? bNumEndpoints????? 2
?? bInterfaceClass??? 224
?? bInterfaceSubClass 1
?? bInterfaceProtocol 1
?? iInterface???????? 0 ()
??? <endpoint 0>
??? bLength?????????? 7
??? bDescriptorType?? 5
??? bEndpointAddress? 0x03 (out 0x03)
??? bmAttributes????? 1 (isochronous)
??? wMaxPacketSize??? 25
??? bInterval???????? 1 ms
??? bRefresh????????? 0
??? bSynchAddress???? 0
??? <endpoint 1>
??? bLength?????????? 7
??? bDescriptorType?? 5
??? bEndpointAddress? 0x83 (in 0x03)
??? bmAttributes????? 1 (isochronous)
??? wMaxPacketSize??? 25
??? bInterval???????? 1 ms
??? bRefresh????????? 0
??? bSynchAddress???? 0
?? <altsetting 4>
?? bLength??????????? 9
?? bDescriptorType??? 4
?? bInterfaceNumber?? 1
?? bAlternateSetting? 4
?? bNumEndpoints????? 2
?? bInterfaceClass??? 224
?? bInterfaceSubClass 1
?? bInterfaceProtocol 1
?? iInterface???????? 0 ()
??? <endpoint 0>
??? bLength?????????? 7
??? bDescriptorType?? 5
??? bEndpointAddress? 0x03 (out 0x03)
??? bmAttributes????? 1 (isochronous)
??? wMaxPacketSize??? 33
??? bInterval???????? 1 ms
??? bRefresh????????? 0
??? bSynchAddress???? 0
??? <endpoint 1>
??? bLength?????????? 7
??? bDescriptorType?? 5
??? bEndpointAddress? 0x83 (in 0x03)
??? bmAttributes????? 1 (isochronous)
??? wMaxPacketSize??? 33
??? bInterval???????? 1 ms
??? bRefresh????????? 0
??? bSynchAddress???? 0
?? <altsetting 5>
?? bLength??????????? 9
?? bDescriptorType??? 4
?? bInterfaceNumber?? 1
?? bAlternateSetting? 5
?? bNumEndpoints????? 2
?? bInterfaceClass??? 224
?? bInterfaceSubClass 1
?? bInterfaceProtocol 1
?? iInterface???????? 0 ()
??? <endpoint 0>
??? bLength?????????? 7
??? bDescriptorType?? 5
??? bEndpointAddress? 0x03 (out 0x03)
??? bmAttributes????? 1 (isochronous)
??? wMaxPacketSize??? 49
??? bInterval???????? 1 ms
??? bRefresh????????? 0
??? bSynchAddress???? 0
??? <endpoint 1>
??? bLength?????????? 7
??? bDescriptorType?? 5
??? bEndpointAddress? 0x83 (in 0x03)
??? bmAttributes????? 1 (isochronous)
??? wMaxPacketSize??? 49
??? bInterval???????? 1 ms
??? bRefresh????????? 0
??? bSynchAddress???? 0
? <interface 2>
?? <altsetting 0>
?? bLength??????????? 9
?? bDescriptorType??? 4
?? bInterfaceNumber?? 2
?? bAlternateSetting? 0
?? bNumEndpoints????? 0
?? bInterfaceClass??? 254
?? bInterfaceSubClass 1
?? bInterfaceProtocol 0
?? iInterface???????? 0 ()

<device descriptor of 0x1d6b/0x0001 at 008:001 (Linux 2.6.37.6-0.5-desktop 
uhci_hcd UHCI Host Controller)>
bLength?????????????? 18
bDescriptorType?????? 1
bcdUSB??????????????? 1.10
bDeviceClass????????? 9
bDeviceSubClass?????? 0
bDeviceProtocol?????? 0
bMaxPacketSize0?????? 64
idVendor????????????? 0x1D6B
idProduct???????????? 0x0001
bcdDevice???????????? 2.06
iManufacturer???????? 3 (Linux 2.6.37.6-0.5-desktop uhci_hcd)
iProduct????????????? 2 (UHCI Host Controller)
iSerialNumber???????? 1 (0000:00:1d.2)
bNumConfigurations??? 1
?<configuration 0>
?bLength????????????? 9
?bDescriptorType????? 2
?wTotalLength???????? 25
?bNumInterfaces?????? 1
?bConfigurationValue? 1
?iConfiguration?????? 0 ()
?bmAttributes???????? 224 (Self-poweredRemote Wakeup)
?MaxPower???????????? 0 mA
? <interface 0>
?? <altsetting 0>
?? bLength??????????? 9
?? bDescriptorType??? 4
?? bInterfaceNumber?? 0
?? bAlternateSetting? 0
?? bNumEndpoints????? 1
?? bInterfaceClass??? 9
?? bInterfaceSubClass 0
?? bInterfaceProtocol 0
?? iInterface???????? 0 ()
??? <endpoint 0>
??? bLength?????????? 7
??? bDescriptorType?? 5
??? bEndpointAddress? 0x81 (in 0x01)
??? bmAttributes????? 3 (interrupt)
??? wMaxPacketSize??? 2
??? bInterval???????? 255 ms
??? bRefresh????????? 0
??? bSynchAddress???? 0

<device descriptor of 0x04b8/0x083f at 008:002 (Language Error Language Error)>
bLength?????????????? 18
bDescriptorType?????? 1
bcdUSB??????????????? 1.10
bDeviceClass????????? 0
bDeviceSubClass?????? 0
bDeviceProtocol?????? 0
bMaxPacketSize0?????? 64
idVendor????????????? 0x04B8
idProduct???????????? 0x083F
bcdDevice???????????? 0.01
iManufacturer???????? 1 (Language Error)
iProduct????????????? 2 (Language Error)
iSerialNumber???????? 3 (Language Error)
bNumConfigurations??? 1
?<configuration 0>
?bLength????????????? 9
?bDescriptorType????? 2
?wTotalLength???????? 55
?bNumInterfaces?????? 2
?bConfigurationValue? 1
?iConfiguration?????? 0 ()
?bmAttributes???????? 192 (Self-powered)
?MaxPower???????????? 2 mA
? <interface 0>
?? <altsetting 0>
?? bLength??????????? 9
?? bDescriptorType??? 4
?? bInterfaceNumber?? 0
?? bAlternateSetting? 0
?? bNumEndpoints????? 2
?? bInterfaceClass??? 255
?? bInterfaceSubClass 255
?? bInterfaceProtocol 255
?? iInterface???????? 4 (Language Error)
??? <endpoint 0>
??? bLength?????????? 7
??? bDescriptorType?? 5
??? bEndpointAddress? 0x82 (in 0x02)
??? bmAttributes????? 2 (bulk)
??? wMaxPacketSize??? 64
??? bInterval???????? 0 ms
??? bRefresh????????? 0
??? bSynchAddress???? 0
??? <endpoint 1>
??? bLength?????????? 7
??? bDescriptorType?? 5
??? bEndpointAddress? 0x02 (out 0x02)
??? bmAttributes????? 2 (bulk)
??? wMaxPacketSize??? 64
??? bInterval???????? 0 ms
??? bRefresh????????? 0
??? bSynchAddress???? 0
? <interface 1>
?? <altsetting 0>
?? bLength??????????? 9
?? bDescriptorType??? 4
?? bInterfaceNumber?? 1
?? bAlternateSetting? 0
?? bNumEndpoints????? 2
?? bInterfaceClass??? 7
?? bInterfaceSubClass 1
?? bInterfaceProtocol 2
?? iInterface???????? 5 (Language Error)
??? <endpoint 0>
??? bLength?????????? 7
??? bDescriptorType?? 5
??? bEndpointAddress? 0x81 (in 0x01)
??? bmAttributes????? 2 (bulk)
??? wMaxPacketSize??? 64
??? bInterval???????? 0 ms
??? bRefresh????????? 0
??? bSynchAddress???? 0
??? <endpoint 1>
??? bLength?????????? 7
??? bDescriptorType?? 5
??? bEndpointAddress? 0x01 (out 0x01)
??? bmAttributes????? 2 (bulk)
??? wMaxPacketSize??? 64
??? bInterval???????? 0 ms
??? bRefresh????????? 0
??? bSynchAddress???? 0

<trying to find out which USB chip is used>
??? checking for GT-6801 ...
??? this is not a GT-6801 (bDeviceClass = 0)
??? checking for GT-6816 ...
??? this is not a GT-6816 (bNumInterfaces = 0x2)
??? checking for GT-8911 ...
??? this is not a GT-8911 (check 6, bEndpointAddress = 0x82, bmAttributes = 
0x2, wMaxPacketSize = 0x40, bInterval = 0x0)
??? checking for MA-1017 ...
??? this is not a MA-1017 (bDeviceClass = 0, bInterfaceClass = 255)
??? checking for MA-1015 ...
??? this is not a MA-1015 (bDeviceClass = 0)
??? checking for MA-1509 ...
??? this is not a MA-1509 (bDeviceClass = 0)
??? checking for LM983[1,2,3] ...
??? this is not a LM983x (bNumEndpoints = 2)
??? checking for GL646 ...
??? this is not a GL646 (bDeviceClass = 0, bInterfaceClass = 255)
??? checking for GL646_HP ...
??? this is not a GL646_HP (bDeviceClass = 0, bInterfaceClass = 255)
??? checking for GL660+GL646 ...
??? this is not a GL660+GL646 (bDeviceClass = 0, bInterfaceClass = 255)
??? checking for GL84x ...
??? this is not a GL84x (bDeviceClass = 0, bInterfaceClass = 255)
??? checking for ICM532B ...
??? this is not a ICM532B (check 1, bDeviceClass = 0, bInterfaceClass = 255)
??? checking for PV8630/LM9830 ...
??? this is not a PV8630/LM9830 (bcdUSB = 0x110)
??? checking for M011 ...
??? this is not a M011 (bDeviceClass = 0)
??? checking for RTS8822 ...
??? this is not a RTS8822 (bNumEndpoints = 2)
??? checking for rts8858c ...
??? this is not a rts8858c (bNumEndpoints = 2)
??? checking for SQ113 ...
??? this is not a SQ113 (bcdUSB = 0x110)
??? checking for HP4500C/4570C/5500C/5550C/5590/7650 chipset ...
??? this is not a HP4500C/4570C/5500C/5550C/5590/7650 chipset (bDeviceClass = 0)
??? checking for rts8801/rts8891 ...
??? this is not a rts8801/rts8891 (bNumEndpoints = 2)
<Couldn't determine the type of the USB chip (result from sane-backends 1.0.22)>

found USB scanner (vendor=0x04b8 [Language Error], product=0x083f [Language 
Error]) at libusb:008:002

<device descriptor of 0x045e/0x0084 at 008:003 (Microsoft Basic Optical Mouse)>
bLength?????????????? 18
bDescriptorType?????? 1
bcdUSB??????????????? 1.10
bDeviceClass????????? 0
bDeviceSubClass?????? 0
bDeviceProtocol?????? 0
bMaxPacketSize0?????? 8
idVendor????????????? 0x045E
idProduct???????????? 0x0084
bcdDevice???????????? 0.00
iManufacturer???????? 1 (Microsoft)
iProduct????????????? 2 (Basic Optical Mouse)
iSerialNumber???????? 0 ()
bNumConfigurations??? 1
?<configuration 0>
?bLength????????????? 9
?bDescriptorType????? 2
?wTotalLength???????? 34
?bNumInterfaces?????? 1
?bConfigurationValue? 1
?iConfiguration?????? 0 ()
?bmAttributes???????? 160 (Remote Wakeup)
?MaxPower???????????? 100 mA
? <interface 0>
?? <altsetting 0>
?? bLength??????????? 9
?? bDescriptorType??? 4
?? bInterfaceNumber?? 0
?? bAlternateSetting? 0
?? bNumEndpoints????? 1
?? bInterfaceClass??? 3
?? bInterfaceSubClass 1
?? bInterfaceProtocol 2
?? iInterface???????? 0 ()
??? <endpoint 0>
??? bLength?????????? 7
??? bDescriptorType?? 5
??? bEndpointAddress? 0x81 (in 0x01)
??? bmAttributes????? 3 (interrupt)
??? wMaxPacketSize??? 4
??? bInterval???????? 10 ms
??? bRefresh????????? 0
??? bSynchAddress???? 0

<device descriptor of 0x1d6b/0x0001 at 009:001 (Linux 2.6.37.6-0.5-desktop 
uhci_hcd UHCI Host Controller)>
bLength?????????????? 18
bDescriptorType?????? 1
bcdUSB??????????????? 1.10
bDeviceClass????????? 9
bDeviceSubClass?????? 0
bDeviceProtocol?????? 0
bMaxPacketSize0?????? 64
idVendor????????????? 0x1D6B
idProduct???????????? 0x0001
bcdDevice???????????? 2.06
iManufacturer???????? 3 (Linux 2.6.37.6-0.5-desktop uhci_hcd)
iProduct????????????? 2 (UHCI Host Controller)
iSerialNumber???????? 1 (0000:00:1d.3)
bNumConfigurations??? 1
?<configuration 0>
?bLength????????????? 9
?bDescriptorType????? 2
?wTotalLength???????? 25
?bNumInterfaces?????? 1
?bConfigurationValue? 1
?iConfiguration?????? 0 ()
?bmAttributes???????? 224 (Self-poweredRemote Wakeup)
?MaxPower???????????? 0 mA
? <interface 0>
?? <altsetting 0>
?? bLength??????????? 9
?? bDescriptorType??? 4
?? bInterfaceNumber?? 0
?? bAlternateSetting? 0
?? bNumEndpoints????? 1
?? bInterfaceClass??? 9
?? bInterfaceSubClass 0
?? bInterfaceProtocol 0
?? iInterface???????? 0 ()
??? <endpoint 0>
??? bLength?????????? 7
??? bDescriptorType?? 5
??? bEndpointAddress? 0x81 (in 0x01)
??? bmAttributes????? 3 (interrupt)
??? wMaxPacketSize??? 2
??? bInterval???????? 255 ms
??? bRefresh????????? 0
??? bSynchAddress???? 0

<device descriptor of 0x1d6b/0x0003 at 010:001 (Linux 2.6.37.6-0.5-desktop 
xhci_hcd xHCI Host Controller)>
bLength?????????????? 18
bDescriptorType?????? 1
bcdUSB??????????????? 3.00
bDeviceClass????????? 9
bDeviceSubClass?????? 0
bDeviceProtocol?????? 3
bMaxPacketSize0?????? 9
idVendor????????????? 0x1D6B
idProduct???????????? 0x0003
bcdDevice???????????? 2.06
iManufacturer???????? 3 (Linux 2.6.37.6-0.5-desktop xhci_hcd)
iProduct????????????? 2 (xHCI Host Controller)
iSerialNumber???????? 1 (0000:05:00.0)
bNumConfigurations??? 1
?<configuration 0>
?bLength????????????? 9
?bDescriptorType????? 2
?wTotalLength???????? 25
?bNumInterfaces?????? 1
?bConfigurationValue? 1
?iConfiguration?????? 0 ()
?bmAttributes???????? 224 (Self-poweredRemote Wakeup)
?MaxPower???????????? 0 mA
? <interface 0>
?? <altsetting 0>
?? bLength??????????? 9
?? bDescriptorType??? 4
?? bInterfaceNumber?? 0
?? bAlternateSetting? 0
?? bNumEndpoints????? 1
?? bInterfaceClass??? 9
?? bInterfaceSubClass 0
?? bInterfaceProtocol 0
?? iInterface???????? 0 ()
??? <endpoint 0>
??? bLength?????????? 7
??? bDescriptorType?? 5
??? bEndpointAddress? 0x81 (in 0x01)
??? bmAttributes????? 3 (interrupt)
??? wMaxPacketSize??? 4
??? bInterval???????? 12 ms
??? bRefresh????????? 0
??? bSynchAddress???? 0
? # Your USB scanner was (probably) detected. It may or may not be supported by
? # SANE. Try scanimage -L and read the backend's manpage.

? # Not checking for parallel port scanners.

? # Most Scanners connected to the parallel port or other proprietary ports
? # can't be detected by this program.
done
linux-4q4s:/home/eagle # 

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