1300 - DISK - RESET DISK SYSTEM
 1301 - DISK - GET STATUS OF LAST OPERATION
 1302 - DISK - READ SECTOR(S) INTO MEMORY
 1303 - DISK - WRITE DISK SECTOR(S)
 1304 - DISK - VERIFY DISK SECTOR(S)
 1305 - FLOPPY - FORMAT TRACK
 1305 - FIXED DISK - FORMAT TRACK
 1305 - Future Domain SCSI BIOS - SEND SCSI MODE SELECT COMMAND
 1306 - FIXED DISK - FORMAT TRACK AND SET BAD SECTOR FLAGS (XT,PORT)
 1306 - Future Domain SCSI BIOS - FORMAT DRIVE WITH BAD SECTOR MAPPING
 1307 - FIXED DISK - FORMAT DRIVE STARTING AT GIVEN TRACK (XT,PORT)
 1307 - Future Domain SCSI BIOS - FORMAT DRIVE
 1308 - DISK - GET DRIVE PARAMETERS (PC,XT286,CONV,PS,ESDI,SCSI)
 1309 - HARD DISK - INITIALIZE CONTROLLER WITH DRIVE PARAMETERS (AT,PS)
 130A - HARD DISK - READ LONG SECTOR(S) (AT and later)
 130B - HARD DISK - WRITE LONG SECTOR(S) (AT and later)
 130C - HARD DISK - SEEK TO CYLINDER
 130D - HARD DISK - RESET HARD DISKS
 130E - HARD DISK - READ SECTOR BUFFER (XT only)
 130F - HARD DISK - WRITE SECTOR BUFFER (XT only)
 1310 - HARD DISK - CHECK IF DRIVE READY
 1311 - HARD DISK - RECALIBRATE DRIVE
 1312 - HARD DISK - CONTROLLER RAM DIAGNOSTIC (XT,PS)
 1312 - Future Domain SCSI CONTROLLER - STOP SCSI DISK
 1313 - HARD DISK - DRIVE DIAGNOSTIC (XT,PS)
 1314 - HARD DISK - CONTROLLER INTERNAL DIAGNOSTIC
 1315 - DISK - GET DISK TYPE (XT 1/10/86 or later,XT286,AT,PS)
 1316 - FLOPPY DISK - DETECT DISK CHANGE (XT 1/10/86 or later,XT286,AT,PS)
 1317 - FLOPPY DISK - SET DISK TYPE FOR FORMAT (AT,PS)
 1318 - DISK - SET MEDIA TYPE FOR FORMAT (AT model 3x9,XT2,XT286,PS)
 1318 - Future Domain SCSI BIOS - GET SCSI CONTROLLER INFORMATION
 1319 - FIXED DISK - PARK HEADS (XT286,PS)
 1319 - Future Domain SCSI CONTROLLER - REINITIALIZE DRIVE
 131A - ESDI FIXED DISK - FORMAT UNIT (PS)
 131A - Future Domain SCSI CONTROLLER - GET SCSI PARTIAL MEDIUM CAPACITY
 131B - ESDI FIXED DISK - GET MANUFACTURING HEADER
 131B - Future Domain SCSI CONTROLLER - GET POINTER TO SCSI DISK INFO BLOCK
 131C - Future Domain SCSI CONTROLLER - GET POINTER TO FREE CONTROLLER RAM
 131C0A - ESDI FIXED DISK - GET DEVICE CONFIGURATION
 131C0B - ESDI FIXED DISK - GET ADAPTER CONFIGURATION
 131C0C - ESDI FIXED DISK - GET POS INFORMATION
 131C0E - ESDI FIXED DISK - TRANSLATE RBA TO ABA
 131D - IBMCACHE.SYS - CACHE STATUS
 1320 - DISK - ??? (Western Digital "Super BIOS")
 1320FF - QCACHE - DISMOUNT
 1321 - QCACHE - FLUSH CACHE
 1322 - QCACHE - ENABLE/DISABLE CACHE
 1324 - QCACHE - SET SECTORS
 1325 - QCACHE - SET FLUSH INTERVAL
 1327 - QCACHE - INSTALLATION CHECK
 132A - QCACHE - SET BUFFER SIZE
 132C - QCACHE - SET BUFFERED WRITES
 132D - QCACHE - SET BUFFERED READ
 132E - QCACHE - SET FLUSH COUNT
 1330 - QCACHE - GET INFO
 135504 - Seagate - GET CONTROLLER TYPE???
 135505 - Seagate - PARK HEADS???
 135514 - Seagate - ???
 135515 - Seagate - PARK HEADS???
 1370 - Priam EDVR.SYS DISK PARTITIONING SOFTWARE???
 1375 - ???
 1376 - ???
 1380 - FAST! - API
 1381 - Super PC Kwik/PC-Cache 5.x - ???
 1382 - Super PC Kwik/PC-Cache 5.x - ???
 1383 - Super PC Kwik/PC-Cache 5.x - ???
 1384 - Super PC Kwik/PC-Cache 5.x - ???
 1385 - Super PC Kwik/PC-Cache 5.x - ???
 1386 - Qualitas Qcache v4.00 - ???
 1387 - Qualitas Qcache v4.00 - ???
 1388 - Qualitas Qcache v4.00 - ???
 138EED - HyperDisk v4.01+ - ???
 138EEE - HyperDisk v4.01+ - ???
 138EEF - HyperDisk v4.01+ - ???
 13A0 - Super PC Kwik - GET RESIDENT CODE SEGMENT
 13A1 - Super PC Kwik - FLUSH CACHE
 13A2 - Super PC Kwik - ???
 13A5 - Super PC Kwik - ???
 13AA - Qualitas Qcache v4.00 - ???
 13AB - Qualitas Qcache v4.00 - ???
 13AC - Qualitas Qcache v4.00 - ???
 13AD - Priam HARD DISK CONTROLLER???
 13AD - Qualitas Qcache v4.00 - ???
 13B0 - Super PC Kwik - ???
 13EE - SWBIOS - SET 1024 CYLINDER FLAG
 13F9 - SWBIOS - INSTALLATION CHECK
 13FE - SWBIOS - GET EXTENDED CYLINDER COUNT