File list (Check if you may need any files):
TIMER1\CDRIVER.HPP
......\DEBUGDRV.CPP
......\DEBUGDRV.EXE
......\DEBUGDRV.PRJ
......\DRIVER.ASM
......\DRIVER.OBJ
......\ENTRY.CPP
......\ENTRY.OBJ
......\INIT.CPP
......\INIT.OBJ
......\IOUTPUT.CPP
......\IOUTPUT.OBJ
......\I_INPUT.CPP
......\I_INPUT.OBJ
......\I_OUTPUT.CPP
......\I_OUTPUT.OBJ
......\MAKEFILE
......\SETTIMER.CPP
......\SETTIMER.EXE
......\TEST_DRV.CPP
......\TIMER.MAP
......\TIMER.SYS
......\Tools.CPP
......\TOOLS.HPP
......\TOOLS.OBJ
TIMER1