15E900 INT 15 - PhysTechSoft PTS ROM-DOS - RESET WATCHDOG TIMER
15E901 INT 15 - PhysTechSoft PTS ROM-DOS - WRITE DIAGNOSTIC CONTROL POINT CODE
15E902 INT 15 - PhysTechSoft PTS ROM-DOS - SET DIAGNOSTIC DOS ERROR FLAG
15E903 INT 15 - PhysTechSoft PTS ROM-DOS - WRITE-ENABLE FLASH-DISK
15E904 INT 15 - PhysTechSoft PTS ROM-DOS - WRITE-PROTECT FLASH-DISK
15E905 INT 15 - PhysTechSoft PTS ROM-DOS - WRITE IMAGE OF BIOS TO FLASH-MEMORY
15E906 INT 15 - PhysTechSoft PTS ROM-DOS - READ SETUP INFORMATION FROM FLASH-DISK
15E907 INT 15 - PhysTechSoft PTS ROM-DOS - WRITE SETUP INFORMATION ON FLASH-DISK
15E908 INT 15 - PhysTechSoft PTS ROM-DOS - SET BREAKPOINT
15E909 INT 15 - PhysTechSoft PTS ROM-DOS - REMOVE BREAKPOINT