Some companies plan to have IT staffers working over the weekend to make sure the change goes smoothly. Others have said they're ready for the clocks to move forward an hour.
For those still applying patches, work-arounds and quick fixes, here's a sampling of major IT vendors and their current DST patch and information status:
-- Apple Inc. -- Mac OS X has already been updated to handle the DST change through an update pushed out to users by the company's automatic update feature. More information on Apple DST updates for older operating systems can be found at the Apple Web site.
-- BEA Systems Inc. -- BEA WebLogic users can get information on how to deal with the DST changes at the company's Web site.
-- Cisco Systems Inc. -- Information on DST issues and Cisco products can be found at the vendor's Web site.