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 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