My page has currently this set up - what is minimum REVISION I can configure here:
// Major version of Flash required
var requiredMajorVersion = 9;
// Minor version of Flash required
var requiredMinorVersion = 0;
// Minor version of Flash required
var requiredRevision = 124;
For example my MacOSX ibook machine does not start this page at all, it just says "you are trying to install flash palyer on unsupported OS"
So I really like to keep version requirement as minimum as possible.