05d8:4005 — MEM48U
Ultima Electronics Corp.
- Vendor ID
- 05d8
- Product ID
- 4005
- Combined
- 05d8:4005
- Decimal
- 1496:16389
What is this device?
This is the USB identifier for a MEM48U manufactured by Ultima Electronics Corp.. The vendor ID 05d8 is registered to Ultima Electronics Corp. with the USB Implementers Forum, and 4005 is the product ID that Ultima Electronics Corp. assigned to this particular model. When you run lsusb on Linux, this device appears as 05d8:4005 Ultima Electronics Corp. MEM48U.
How to identify it on your system
Linux
$ lsusb Bus 001 Device 004: ID 05d8:4005 Ultima Electronics Corp. MEM48U
You can filter directly with lsusb -d 05d8:4005, or get the full descriptor dump with lsusb -v -d 05d8:4005. Kernel messages from dmesg show the same pair as idVendor=05d8, idProduct=4005.
Windows
In Device Manager, open the device, go to Details → Hardware Ids. This device reports:
USB\VID_05D8&PID_4005 USB\VID_05D8&PID_4005&REV_0100
From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_05D8&PID_4005"
macOS
$ system_profiler SPUSBDataType
MEM48U:
Product ID: 0x4005
Vendor ID: 0x05d8 (Ultima Electronics Corp.)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:
05d8 Ultima Electronics Corp. 4005 MEM48U