INT 13 - DISK - RESET DISK SYSTEM AH = 00h DL = drive (if bit 7 is set both hard disks and floppy disks reset) Return: AH = status (see #00234) CF clear if successful (returned AH=00h) CF set on error Note: forces controller to recalibrate drive heads (seek to track 0) for PS/2IBM PS/2, any model 35SX, 35LS, 40SX and L40SX, as well as many other systems, both the master drive and the slave drive respond to the Reset function that is issued to either drive SeeAlso: AH=0Dh,AH=11h,INT 21/AH=0Dh,INT 4D/AH=00h"TI Professional" SeeAlso: INT 56"Tandy 2000",MEM 0040h:003Eh