Help to mount USB Card reader with micro SD in slot

Hi all:

I'm connecting a usb (multiple card reader) to my PC.

I usually use mount -t vfat /dev/sdx /mnt/usbmemory, having x to be the usb device number.

After connecting the usb car reader with one 512k micro SD in one of its 3 slots, dmesg|tail reports

usb 3-1: new full speed USB device using uhci_hcd and address 3
usb 3-1: device descriptor read/64, error -71
scsi3 : SCSI emulation for USB Mass storage devices
usb-storage: waiting for device to settle before scanning
Vendor: USB2.0 Model: CardReader 500 Rev: 0100
Type: Direct-Access ANSI SCSI revision: 00
Attached scsi removable disk usb ar scsi2, channel0, id 0, lun 0
usb-storage: device scan complete

What should I do to mount my card?

Thanks in advance for any hints.


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