0ace:1211 ZD1211 802.11g

ZyDAS

Vendor ID
0ace
Product ID
1211
Combined
0ace:1211
Decimal
2766:4625

What is this device?

This is the USB identifier for a ZD1211 802.11g manufactured by ZyDAS. The vendor ID 0ace is registered to ZyDAS with the USB Implementers Forum, and 1211 is the product ID that ZyDAS assigned to this particular model. When you run lsusb on Linux, this device appears as 0ace:1211 ZyDAS ZD1211 802.11g.

How to identify it on your system

Linux

$ lsusb
Bus 001 Device 004: ID 0ace:1211 ZyDAS ZD1211 802.11g

You can filter directly with lsusb -d 0ace:1211, or get the full descriptor dump with lsusb -v -d 0ace:1211. Kernel messages from dmesg show the same pair as idVendor=0ace, idProduct=1211.

Windows

In Device Manager, open the device, go to Details → Hardware Ids. This device reports:

USB\VID_0ACE&PID_1211
USB\VID_0ACE&PID_1211&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_0ACE&PID_1211"

macOS

$ system_profiler SPUSBDataType
    ZD1211 802.11g:
      Product ID: 0x1211
      Vendor ID: 0x0ace  (ZyDAS)

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:

0ace  ZyDAS
	1211  ZD1211 802.11g

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