0a48:3239 — Multimedia Card Reader
I/O Interconnect
- Vendor ID
- 0a48
- Product ID
- 3239
- Combined
- 0a48:3239
- Decimal
- 2632:12857
What is this device?
This is the USB identifier for a Multimedia Card Reader manufactured by I/O Interconnect. The vendor ID 0a48 is registered to I/O Interconnect with the USB Implementers Forum, and 3239 is the product ID that I/O Interconnect assigned to this particular model. When you run lsusb on Linux, this device appears as 0a48:3239 I/O Interconnect Multimedia Card Reader.
How to identify it on your system
Linux
$ lsusb Bus 001 Device 004: ID 0a48:3239 I/O Interconnect Multimedia Card Reader
You can filter directly with lsusb -d 0a48:3239, or get the full descriptor dump with lsusb -v -d 0a48:3239. Kernel messages from dmesg show the same pair as idVendor=0a48, idProduct=3239.
Windows
In Device Manager, open the device, go to Details → Hardware Ids. This device reports:
USB\VID_0A48&PID_3239 USB\VID_0A48&PID_3239&REV_0100
From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_0A48&PID_3239"
macOS
$ system_profiler SPUSBDataType
Multimedia Card Reader:
Product ID: 0x3239
Vendor ID: 0x0a48 (I/O Interconnect)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:
0a48 I/O Interconnect 3239 Multimedia Card Reader