INT 2F - Windows95 - SAVE32.COM - INSTALLATION CHECK AX = 1615h Return: AX = 0000h if installed BX = segment of resident code Program: SAVE32.COM is a TSR(Terminate and Stay Resident) A program which remains in memory after terminating in order to provide services to other programs or the user. The name comes from the name of the DOS function call used to remain in memory after termination. included in the Windows95 distribution which preserves the contents of 32-bit registers across invocations of all of the hardware interrupt handlers (which, for some older BIOSes and TSRs, do not properly preserve the high words of the 32-bit registers)