pqi i815 2GB ‘pen drive’

Segunda-feira, 24/03/2008 at 20:17 (Papo Geek) (, )

INFORMAÇÕES

Página do fabricante.

# lsusb

Bus 001 Device 014: ID 3538:0054 Power Quotient International Co., Ltd 

# lsusb -v -s 1:14

Bus 001 Device 014: ID 3538:0054 Power Quotient International Co., Ltd
Device Descriptor:
  bLength                18
  bDescriptorType         1
  bcdUSB               2.00
  bDeviceClass            0 (Defined at Interface level)
  bDeviceSubClass         0
  bDeviceProtocol         0
  bMaxPacketSize0        64
  idVendor           0x3538 Power Quotient International Co., Ltd
  idProduct          0x0054
  bcdDevice            1.00
  iManufacturer           1
  iProduct                2
  iSerial                 3
  bNumConfigurations      1
  Configuration Descriptor:
    bLength                 9
    bDescriptorType         2
    wTotalLength           39
    bNumInterfaces          1
    bConfigurationValue     1
    iConfiguration          0
    bmAttributes         0x80
      (Bus Powered)
    MaxPower               80mA
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        0
      bAlternateSetting       0
      bNumEndpoints           3
      bInterfaceClass         8 Mass Storage
      bInterfaceSubClass      6 SCSI
      bInterfaceProtocol     80 Bulk (Zip)
      iInterface              0
      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               1
      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               1
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x83  EP 3 IN
        bmAttributes            3
          Transfer Type            Interrupt
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0040  1x 64 bytes
        bInterval               8
can't get device qualifier: Connection timed out
can't get debug descriptor: Connection timed out
cannot read device status, Connection timed out (110)

# dmesg 

usb 1-3: new high speed USB device using ehci_hcd and address 14
usb 1-3: configuration #1 chosen from 1 choice
scsi10 : SCSI emulation for USB Mass Storage devices
usb-storage: device found at 14
usb-storage: waiting for device to settle before scanning
scsi 10:0:0:0: Direct-Access     pqi      IntelligentStick 0.00 PQ: 0 ANSI: 2
sd 10:0:0:0: [sdb] 3948543 512-byte hardware sectors (2022 MB)
sd 10:0:0:0: [sdb] Write Protect is off
sd 10:0:0:0: [sdb] Mode Sense: 00 00 00 00
sd 10:0:0:0: [sdb] Assuming drive cache: write through
sd 10:0:0:0: [sdb] 3948543 512-byte hardware sectors (2022 MB)
sd 10:0:0:0: [sdb] Write Protect is off
sd 10:0:0:0: [sdb] Mode Sense: 00 00 00 00
sd 10:0:0:0: [sdb] Assuming drive cache: write through
 sdb: sdb1
sd 10:0:0:0: [sdb] Attached SCSI removable disk
usb-storage: device scan complete

ESCRITA

# dd if=/dev/zero of=/dev/sdb

2021654016 bytes (2,0 GB) copied, 200,852 s, 10,1 MB/s

LEITURA

# dd if=/dev/sdb of=/dev/null

2021654016 bytes (2,0 GB) copied, 74,1549 s, 27,3 MB/s

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