MEM 0040h:009Ch - TIMER2 (ATIBM PC AT, PSIBM PS/2, any model exc Mod 30) - USER WAIT COUNT IN MICROSECONDS
Size:	DWORDDoubleword; four bytes.	 Commonly used to hold a 32-bit segment:offset or selector:offset address.
SeeAlso: MEM 0040h:0098h,MEM 0040h:00A0h,INT 15/AH=83h,INT 15/AH=86h