Alfais/Ancheyn AL4891 USB to RS232 Adapter Drivers

By oemadmin on Last updated: Mar 15, 2023
Alfais AL4891 USB to RS232 Adapter Drivers
Device
Port Devices
Manufacturer
Alfais
Model No.
4891
‎AL4891
Also Known As
Deoxygene USB to RS232 Driver
CPU/Chipset(s)
Prolific PL2303
Interface/port(s)
USB Type A
RS-232 (DB9)
Operating System(s)
Windows 11 x64
Windows 10 x64
Windows 10 x86
Windows 8.1 64bit
Windows 8.1 32bit
Windows 8 64bit
Windows 8 32bit
Windows 7 64bit
Windows 7 32bit
Windows Vista x64
Windows Vista x86
Windows XP x64 Edition
Windows XP 32bit
Linux
macOS 11 (Big Sur)
macOS 10.15 (Catalina)
macOS 10.14 (Mojave)
macOS 10.13 (High Sierra)
macOS 10.12 (Sierra)
MacOS X (10.11) (El Capitan)
MacOS X (10.10) (Yosemite)
MacOS 10.9 (Mavericks)
MacOS 10.8 (Mountain Lion)
MacOS 10.7 (Lion)
MacOS 10.6 (Snow Leopard)

From research with have found that this the Alfais AL4891 adapter uses a Prolific PL2303 chip and the drivers are below. If you have this device and it is showing another chipset, please let us know.

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