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Int 0x2F, AH=0x4a

2F4A00CX0000 INT 2F CU - DOS 5+ - FLOPPY-DISK LOGICAL DRIVE CHANGE NOTIFICATION
2F4A01 INT 2F - DOS 5+ - QUERY FREE HMA SPACE
2F4A02 INT 2F - DOS 5+ - ALLOCATE HMA SPACE
2F4A03 INT 2F U - Windows95 - DOS KERNEL - (DE)ALLOCATE HMA MEMORY BLOCK
2F4A04 INT 2F U - Windows95 - DOS KERNEL - GET START OF HMA MEMORY CHAIN
2F4A05 INT 2F U - DOS 5+ DOSSHELL - TASK SWITCHING API???
2F4A06 INT 2F CU - DOS 5+ - DOS SUPERVISOR "REBOOT PANEL" - ADJUST MEMORY SIZE
2F4A07 INT 2F U - RESERVED FOR PROTMAN SUPPORT
2F4A10BX0000 INT 2F - SMARTDRV v4.00+ - INSTALLATION CHECK AND HIT RATIOS
2F4A10BX0000 INT 2F U - Novell NWCACHE - INSTALLATION CHECK AND STATISTICS
2F4A10BX0001 INT 2F - SMARTDRV v4.00+ - FLUSH BUFFERS (COMMIT CACHE)
2F4A10BX0001 INT 2F U - Novell NWCACHE - ???
2F4A10BX0002 INT 2F - SMARTDRV v4.00+ - RESET CACHE
2F4A10BX0003 INT 2F - SMARTDRV v4.00+ - STATUS
2F4A10BX0004 INT 2F - SMARTDRV v4.00+ - GET CACHE SIZE
2F4A10BX0005 INT 2F - SMARTDRV v4.00+ - GET DOUBLE-BUFFER STATUS
2F4A10BX0006 INT 2F CU - SMARTDRV v4.00+ - CHECK IF DRIVE CACHEABLE
2F4A10BX0007 INT 2F - SMARTDRV v4.00+ - GET DEVICE DRIVER FOR DRIVE
2F4A10BX0008 INT 2F - SMARTDRV v4.20+ - GET/SET FLUSH BEFORE PROMPT, CD-ROM SUPPORT
2F4A10BX000A INT 2F - SMARTDRV v4.00+ - GET ELEMENT STATUS TABLE
2F4A10BX1234 INT 2F - SMARTDRV v4.00+ - SIGNAL SERIOUS ERROR
2F4A11BX0000 INT 2F - DBLSPACE.BIN - "GetVersion" - INSTALLATION CHECK
2F4A11BX0001 INT 2F - DBLSPACE.BIN - "GetDriveMapping" - GET DRIVE MAPPING
2F4A11BX0002 INT 2F - DBLSPACE.BIN - "Swap Drive" - SWAP DRIVE LETTERS OF CVF AND HOST DRIVE
2F4A11BX0003 INT 2F - DBLSPACE.BIN - "DSGetEntryPoints" - GET DEVICE DRIVER ENTRY POINTS
2F4A11BX0004 INT 2F - DBLSPACE.BIN - "DSSetEntryPoints" - SET DEVICE DRIVER ENTRY POINTS
2F4A11BX0005 INT 2F - DBLSPACE.BIN - "ActivateDrive" - MOUNT COMPRESSED DRIVE
2F4A11BX0006 INT 2F - DBLSPACE.BIN - "DeactivateDrive" - UNMOUNT COMPRESSED DRIVE
2F4A11BX0007 INT 2F - DBLSPACE.BIN - "GetDriveSpace" - GET SPACE AVAIL ON COMPRESSED DRIVE
2F4A11BX0008 INT 2F - DBLSPACE.BIN - "GetFileFragmentSpace" - GET SIZE OF FRAGMENT HEAP
2F4A11BX0009 INT 2F - DBLSPACE.BIN - "GetExtraInfo" - DETERMINE NUMBER OF DISK_UNIT STRUCTS
2F4A11BX000A INT 2F - DBLSPACE.BIN v6.2 - SET AUTOMOUNT DRIVES
2F4A11BX000B INT 2F - DBLSPACE.BIN v6.2 - GET AUTOMOUNT DRIVES
2F4A11BXFFFE INT 2F U - DBLSPACE.BIN - RELOCATE
2F4A11BXFFFF INT 2F U - DBLSPACE.BIN - GET RELOCATION SIZE
2F4A12CX4D52 INT 2F - Microsoft Realtime Compression Interface (MRCI) - RAM-BASED SERVER
2F4A12CX5354 INT 2F - Stacker 4 LZS Compression Interface (LZSAPI)
2F4A13 INT 2F U - DBLSPACE.BIN - DBLSPACE/MRCI STEALTH PACKET API
2F4A15BX0000 INT 2F - MS EMM386.EXE v4.46+ - INSTALL I/O VIRTUALIZATION HANDLER
2F4A16 INT 2F U - Windows95 - OPEN BOOT LOG
2F4A17 INT 2F U - Windows95 - WRITE TO BOOT LOG
2F4A18 INT 2F U - Windows95 - CLOSE BOOT LOG
2F4A21 INT 2F U - Windows95 - ???
2F4A31 INT 2F U - Windows95 - ???
2F4A32 INT 2F U - Windows95 - PATCH ???
2F4A33 INT 2F - Windows95 - CHECK MS-DOS VERSION 7

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