05dc:b054 — Dual-Slot Reader [LRW400U]
Lexar Media, Inc.
- Vendor ID
- 05dc
- Product ID
- b054
- Combined
- 05dc:b054
- Decimal
- 1500:45140
What is this device?
This is the USB identifier for a Dual-Slot Reader [LRW400U] manufactured by Lexar Media, Inc.. The vendor ID 05dc is registered to Lexar Media, Inc. with the USB Implementers Forum, and b054 is the product ID that Lexar Media, Inc. assigned to this particular model. When you run lsusb on Linux, this device appears as 05dc:b054 Lexar Media, Inc. Dual-Slot Reader [LRW400U].
How to identify it on your system
Linux
$ lsusb Bus 001 Device 004: ID 05dc:b054 Lexar Media, Inc. Dual-Slot Reader [LRW400U]
You can filter directly with lsusb -d 05dc:b054, or get the full descriptor dump with lsusb -v -d 05dc:b054. Kernel messages from dmesg show the same pair as idVendor=05dc, idProduct=b054.
Windows
In Device Manager, open the device, go to Details → Hardware Ids. This device reports:
USB\VID_05DC&PID_B054 USB\VID_05DC&PID_B054&REV_0100
From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_05DC&PID_B054"
macOS
$ system_profiler SPUSBDataType
Dual-Slot Reader [LRW400U]:
Product ID: 0xb054
Vendor ID: 0x05dc (Lexar Media, Inc.)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:
05dc Lexar Media, Inc. b054 Dual-Slot Reader [LRW400U]