INT 19 - Bootstrap Loader

DL = physical drive where boot sector is located

no output

- track 0, sector 1 is loaded into address 0:7C00

and control is transferred there

- not a preferred method for rebooting by applications. A

better method is to set the word at location 40:72 to 1234h

and jump to location FFFF:0 in ROM

- memory is not cleared when rebooted through this interrupt

- see ~WARM BOOT~