1dd3:0001 — Expert I/O 1000
Dajc Inc.
- Vendor ID
- 1dd3
- Product ID
- 0001
- Combined
- 1dd3:0001
- Decimal
- 7635:1
What is this device?
This is the USB identifier for a Expert I/O 1000 manufactured by Dajc Inc.. The vendor ID 1dd3 is registered to Dajc Inc. with the USB Implementers Forum, and 0001 is the product ID that Dajc Inc. assigned to this particular model. When you run lsusb on Linux, this device appears as 1dd3:0001 Dajc Inc. Expert I/O 1000.
How to identify it on your system
Linux
$ lsusb Bus 001 Device 004: ID 1dd3:0001 Dajc Inc. Expert I/O 1000
You can filter directly with lsusb -d 1dd3:0001, or get the full descriptor dump with lsusb -v -d 1dd3:0001. Kernel messages from dmesg show the same pair as idVendor=1dd3, idProduct=0001.
Windows
In Device Manager, open the device, go to Details → Hardware Ids. This device reports:
USB\VID_1DD3&PID_0001 USB\VID_1DD3&PID_0001&REV_0100
From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_1DD3&PID_0001"
macOS
$ system_profiler SPUSBDataType
Expert I/O 1000:
Product ID: 0x0001
Vendor ID: 0x1dd3 (Dajc 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:
1dd3 Dajc Inc. 0001 Expert I/O 1000