07b4:0112 — MAUSB-100 xD Card Reader (Olympus Optical Co., Ltd)

What is this device?

This is the USB identifier for a MAUSB-100 xD Card Reader manufactured by Olympus Optical Co., Ltd. The vendor ID 07b4 is registered to Olympus Optical Co., Ltd with the USB Implementers Forum, and 0112 is the product ID that Olympus Optical Co., Ltd assigned to this particular model. When you run lsusb on Linux, this device appears as 07b4:0112 Olympus Optical Co., Ltd MAUSB-100 xD Card Reader.

How to identify it on your system

Linux

$ lsusb
Bus 001 Device 004: ID 07b4:0112 Olympus Optical Co., Ltd MAUSB-100 xD Card Reader

You can filter directly with lsusb -d 07b4:0112, or get the full descriptor dump with lsusb -v -d 07b4:0112. Kernel messages from dmesg show the same pair as idVendor=07b4, idProduct=0112.

Windows

In Device Manager, open the device, go to Details → Hardware Ids. This device reports:

USB\VID_07B4&PID_0112
USB\VID_07B4&PID_0112&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_07B4&PID_0112"

macOS

$ system_profiler SPUSBDataType
    MAUSB-100 xD Card Reader:
      Product ID: 0x0112
      Vendor ID: 0x07b4  (Olympus Optical Co., Ltd)

Driver help

Having driver issues with this device? Most USB devices are handled by a generic class driver; if yours shows up as an unknown device, confirm the ID above first, then check the manufacturer's downloads page.

Raw usb.ids entry

The exact lines this page is generated from, in the upstream source file:

07b4  Olympus Optical Co., Ltd
	0112  MAUSB-100 xD Card Reader

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