ARC-12X4 does work with Windows 2000. But Windows 2000 is not officially support; it does not work with current Windows WHQL driver. You can download the driver especially for Windows 2000 in our ftp site, the beta folder.
ftp://ftp.areca.com.tw/RaidCards/AP_Drivers/Windows/Driver/
Tags: ARC-1224-8I, ARC-12x4, driver, Windows 2000