http://minuszerodegrees.net/rtc/rtc.htm
The Quadram
SETCLOCK.COM should be included in the Quadmaster software.
The rest of the QM package is ramdisk, print spooler, etc.
SETCLOCK
in Autoexec.bat should fetch the time for the computer.
SETCLOCK MM-DD-YY HH:MM
should set the clock.
Notice the lack of acknowledgement of Y2K in the 1980s.