Stone
10k Member
This is a small board that fits into an 8088 socket under the CPU. It adds a clock/calendar to a PC that doesn't have one. It also has a battery to store the date/time info. NOS Here's an old ad for this item:
http://books.google.com/books?id=hi...8Q6AEwBQ#v=onepage&q=microsync dclock&f=false
http://books.google.com/books?id=hi...8Q6AEwBQ#v=onepage&q=microsync dclock&f=false