CLOCK01.SYS

The Clock device driver for family 1 machines (non-MCA) for OS/2.

It does the following:
 * 1) get/set date/time
 * 2) Read CMOS
 * 3) Access to Beeper (PC speaker)
 * 4) Kernel synchronization
 * 5) Some specific service to timer0$


 * Note: This is one of the critical drivers for the OS/2 Kernel.

DLLs Loaded

 * DOSCALL1.DLL

Source Code
The source code of this file is included on the IBM Developer Connection Device Driver Kit for OS/2. It can not be open sourced, but the source code is available from IBM DDK and a free/paid binaries can be released.