<HTML><BODY>Hello, the "DM PD061" flash drive integrated fingerprint reader is not recognized. Device home pages: (EN) http://www.dmlife.cc/productshow.asp?id=1067&sid=289 (CN) http://www.dmlife.cn/xinwen.asp?id=157 dmesg: [1389245.417078] usb 3-2: new high-speed USB device number 7 using xhci_hcd [1389245.581966] usb 3-2: New USB device found, idVendor=8644, idProduct=8005 [1389245.581969] usb 3-2: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [1389245.581971] usb 3-2: Product: USB Flash Disk [1389245.581973] usb 3-2: Manufacturer: General [1389245.581974] usb 3-2: SerialNumber: 150100000000C533 [1389245.582698] usb-storage 3-2:1.0: USB Mass Storage device detected [1389245.583093] scsi12 : usb-storage 3-2:1.0 [1389246.586493] scsi 12:0:0:0: Direct-Access General USB Flash Disk 1.00 PQ: 0 ANSI: 2 [1389246.588171] sd 12:0:0:0: Attached scsi generic sg2 type 0 [1389246.590348] scsi 12:0:0:1: Direct-Access General USB Flash Disk 1.00 PQ: 0 ANSI: 2 [1389246.590913] sd 12:0:0:1: Attached scsi generic sg3 type 0 [1389246.592456] sd 12:0:0:0: [sdb] 21213440 512-byte logical blocks: (10.8 GB/10.1 GiB) [1389246.594069] scsi 12:0:0:2: CD-ROM General USB Flash Disk 1.00 PQ: 0 ANSI: 2 [1389246.594681] sd 12:0:0:0: [sdb] Write Protect is off [1389246.594686] sd 12:0:0:0: [sdb] Mode Sense: 03 00 00 00 [1389246.596354] sd 12:0:0:0: [sdb] No Caching mode page found [1389246.596360] sd 12:0:0:0: [sdb] Assuming drive cache: write through [1389246.597230] sd 12:0:0:1: [sdc] Attached SCSI removable disk [1389246.598575] sr1: scsi-1 drive [1389246.598771] sr 12:0:0:2: Attached scsi CD-ROM sr1 [1389246.598893] sr 12:0:0:2: Attached scsi generic sg4 type 5 [1389246.613041] sdb: sdb1 [1389246.625952] sd 12:0:0:0: [sdb] Attached SCSI removable disk # lsusb -v -d 8644:8005 Bus 003 Device 012: ID 8644:8005 Device Descriptor: bLength 18 bDescriptorType 1 bcdUSB 2.00 bDeviceClass 0 (Defined at Interface level) bDeviceSubClass 0 bDeviceProtocol 0 bMaxPacketSize0 64 idVendor 0x8644 idProduct 0x8005 bcdDevice 1.00 iManufacturer 1 General iProduct 2 USB Flash Disk iSerial 3 150100000000C533 bNumConfigurations 1 Configuration Descriptor: bLength 9 bDescriptorType 2 wTotalLength 32 bNumInterfaces 1 bConfigurationValue 1 iConfiguration 0 bmAttributes 0x80 (Bus Powered) MaxPower 100mA Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 0 bAlternateSetting 0 bNumEndpoints 2 bInterfaceClass 8 Mass Storage bInterfaceSubClass 6 SCSI bInterfaceProtocol 80 Bulk-Only iInterface 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x02 EP 2 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 Device Qualifier (for other device speed): bLength 10 bDescriptorType 6 bcdUSB 2.00 bDeviceClass 0 (Defined at Interface level) bDeviceSubClass 0 bDeviceProtocol 0 bMaxPacketSize0 64 bNumConfigurations 1 Device Status: 0x0000 (Bus Powered) Unfortunately the manufacturer provides only Windows drivers and software. Contents of the Virtual CD drive: http://myfiles.pro/uploads/1122035355.DM_PD061.zip usbmon sniffer log: http://myfiles.pro/uploads/1897011908.3.mon.out.zip Nothing new appears in usbmon log when I touch the fingerprint reader. However there is some sort of heartbeat sent to(from?) device every 1-2 seconds. In this log I have separated the heartbeats from the remaining part with a few newlines: http://myfiles.pro/uploads/1850057838.divided.zip Best regards, V </BODY></HTML>