Serial USB-RSAQ1
USB ID 04bb:0a03 · I-O Data Device, Inc.
| Vendor | I-O Data Device, Inc. |
|---|---|
| Vendor ID | 04bb |
| Device ID | 0a03 |
| Windows hardware ID | USB\VID_04BB&PID_0A03 |
| Linux modalias | usb:v04BBp0A03 |
| Linux driver | pl2303 |
Frequently asked questions
Which device has USB ID 04bb:0a03?
USB ID 04bb:0a03 is “Serial USB-RSAQ1” made by I-O Data Device, Inc. (vendor ID 04bb, device ID 0a03).
Which Linux driver supports Serial USB-RSAQ1?
In Linux kernel 6.12 the device is bound to the driver pl2303 (source under drivers/usb/serial). The driver is normally loaded automatically when the device is detected.
How do I check whether Serial USB-RSAQ1 is in my computer?
On Linux, lsusb -d 04bb:0a03 shows the device if it is present. On Windows, open Device Manager, then Properties → Details → Hardware Ids; it appears as USB\VID_04BB&PID_0A03.
How do I see which driver is currently in use?
lsusb -t prints the device tree with the bound driver (Driver=…) for each interface.