Int 13h, 00h Reset Fixed Disk/Diskette System all
Int 13h, 01h Get Disk System Status all
Int 13h, 02h Read Sectors into Memory all
Int 13h, 03h Write Sectors from Memory all
Int 13h, 04h Verify Sectors all
Int 13h, 05h Format Cylinder all
Int 13h, 06h Format Track and Set Bad Sector Flags fixed disk
Int 13h, 07h Format Disk Starting at Cylinder fixed disk
Int 13h, 08h Get Current Drive Parameters fixed
Int 13h, 09h Initialize Fixed Disk Tables fixed disk
Int 13h, 0Ah Read Long diagnostics
Int 13h, 0Bh Write Long diagnostics
Int 13h, 0Ch Seek to Cylinder fixed disk
Int 13h, 0Dh Alternate Disk Reset fixed disk
Int 13h, 0Eh Reserved for Diagnostics fixed disk
Int 13h, 0Fh Reserved for Diagnostics fixed disk
Int 13h, 10h Test for Drive Ready fixed disk
Int 13h, 11h Recalibrate Drive fixed disk
Int 13h, 12h Reserved for Diagnostics diagnostics
Int 13h, 13h Reserved for Diagnostics diagnostics
Int 13h, 14h Reserved for Diagnostics diagnostics
Int 13h, 15h Read DASD Type many
Int 13h, 16h Change Line Status many
Int 13h, 17h Set DASD Type for Format many
Int 13h, 18h Set Media Type for Format many
Int 13h, 19h Park Heads PS/2
Int 13h, 1Ah Format ESDI Unit PS/2