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sd card reader Realtek Semiconductor Corp. Digital Media Card Reader
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model: Realtek Semiconductor Corp. Digital Media Card Reader(model id: 457)
possible other names of the device:
Lenovo Thinkpad I/O card assembly without modem connector, with 3-in-1 Media Card Reader for X201 Tablet (FRU:60Y5408)
Realtek 3-in-1 MultiCard Reader
vendor:
Realtek Semiconductor Corp.
VendorID:ProductID code of the device:
0bda:0159
year of commercialization:
2011
interface:
USB
tested on:
Trisquel 5.0 Dagda
Trisquel 6.0 Toutatis
tested with the following kernel libre:
2.6.38-11-generic
3.12.7-gnu
does it work with free software?
yes
free driver used:
ums-realtek
Description:

This card reader comes on:

  • AAO D250-153
  • emachines E525
  • Lenovo Thinkpad X201 Tablet
lsusb -v 
Bus 002 Device 003: ID 0bda:0159 Realtek Semiconductor Corp. Digital Media Card Reader
Couldn't open device, some information will be missing
Device Descriptor:
  bLength                18
  bDescriptorType         1
  bcdUSB               2.00
  bDeviceClass            0 (Defined at Interface level)
  bDeviceSubClass         0 
  bDeviceProtocol         0 
  bMaxPacketSize0        64
  idVendor           0x0bda Realtek Semiconductor Corp.
  idProduct          0x0159 Digital Media Card Reader
  bcdDevice           58.88
  iManufacturer           1 
  iProduct                2 
  iSerial                 3 
  bNumConfigurations      1
  Configuration Descriptor:
    bLength                 9
    bDescriptorType         2
    wTotalLength           32
    bNumInterfaces          1
    bConfigurationValue     1
    iConfiguration          4 
    bmAttributes         0x80
      (Bus Powered)
    MaxPower              500mA
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        0
      bAlternateSetting       0
      bNumEndpoints           2
      bInterfaceClass         8 Mass Storage
      bInterfaceSubClass      6 SCSI
      bInterfaceProtocol     80 Bulk-Only
      iInterface              5 
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x01  EP 1 OUT
        bmAttributes            2
          Transfer Type            Bulk
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0200  1x 512 bytes
        bInterval               0
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x82  EP 2 IN
        bmAttributes            2
          Transfer Type            Bulk
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0200  1x 512 bytes
        bInterval               0

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