| 32-bit File Access |
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| microsoft windows file system technology | |
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32-bit file access bypassed MS-DOS and directly accessed the disk, either via the BIOS or (preferably) 32-bit Disk Access (Windows-native protected mode disk drivers). This feature was a Backport from the then-unreleased Windows 95 , as suggested by Microsoft's advertisements for Windows for Workgroups 3.11 ("the 32-bit file system from our Chicago project"). 32-bit file access and the introduction of Long File Names in Windows 95 reduced DOS to the role of a Boot Loader for Windows. 32-bit file access was implemented using the VFAT , VCACHE, and IFSMgr VxD drivers. 32-bit file access should not be confused with 32-bit Disk Access . Although both technologies are similar, 32-bit disk access (also known as ''FastDisk'') pre-dates Windows For Workgroups 3.11. 32-bit file access provided a 32-bit code path for Windows to directly access the disk bus by intercepting the MS-DOS Int 21H services while remaining in 386 Protected Mode and at CPU speeds, rather than handling the Int 21H services in real mode by MS-DOS. 32-bit disk access relatively offers less performance and is less likely to work on many computers than 32-bit file access. 32-bit file access does not need 32-bit disk access. SEE ALSO EXTERNAL LINKS
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