Updates are rare but useful for compatibility with new POS software.
Most modern drivers come with a Setup.exe file.
. It is generally more reliable on Windows using manufacturer-specific Alcor drivers rather than generic Microsoft CCID drivers, which may fail to recognize newer PIV cards. Technical Specifications Problem with Alcor Micro AU9540 · Issue #84 - GitHub
: Set to 1 to enable the selective suspend power-saving feature.