uark(4)

uark4

Arkmicro technologies ark3116 based usb serial adapter

Usage

uark* at uhub? ucom* at uark?

Overview

The uark driver supports Arkmicro Technologies ARK3116 based serial adapters.

The following devices should work with the uark driver:

HL USB-RS232
HugePine USB-UART
KQ-U8A Data Cable
Skymaster USB to RS232

Caveats

Setting hardware flow control is not currently supported. It is not yet known how to ask the hardware to send a break.

Arkmicro Technologies do not reply to requests of documentation for their products.

Releases

42 releases since OpenBSD 4.0; the text changed 3 times.

  1. 4.0
  2. 4.1
  3. 4.2–5.3
  4. 5.4–8.0

History

The uark device driver first appeared in OpenBSD 4.0.

Authors

The uark driver was written by Jonathan Gray ⟨[email protected]⟩.

From man 8.0-current-20261101 in OpenBSD 8.0-current (2026-11-01). Parsed by carta from the page's mdoc source.