Last
updated October 2, 2002 v2.0 Read-Only
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NTFS
for Windows 98 is a NTFS file system driver
for Windows 95 and Windows 98. Once installed, any
NTFS drives present on your system will be fully
accessible as native Windows 98 volumes. This version
provides read-only capabilities.
Please read this entire file before contacting us
for help. |
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NTFS for Windows
98 takes a unique approach to providing cross-platform
file system support. Rather than implement code
to read and write NTFS drives, NTFS for Windows
98 uses the NTFS and NTOSKRNL system files from
a Windows NT/2000/XP configuration. NTFS for
Windows 98 wraps the Windows NT/2000/XP NTFS
driver in a run-time environment that simulates
the Windows NT environment the NTFS driver is written
to use. Thus, NTFS for Windows 98 does not
rely on potentially unreliable reverse-engineered
information about NTFS, provides ultimate compatibility
with NTFS, and takes advantage of Microsoft NTFS
bug fixes whenever you update the NTFS driver file
NTFS for Windows 98 uses to a more recent
version.
The picture above depicts NTFS for Windows 98's
relationship with NTFS, NTOSKRNL and the Windows
95/98 file system. NTFS for Windows 98 provides
an external interface that looks like a standard
Windows 95/98 file system, while internally it presents
an interface to NTFS that looks like the Windows
NT/2000/XP environment. NTFS for Windows 98
uses a number of services within NTOSKRNL to help
implement this environment. Note that NTFS for
Windows 98 does not load NTFS or NTOSKRNL unless
you have at least one NTFS drive on your system. |
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This version of NTFS
for Windows 98 is read-only.
NTFS for Windows 98 has been tested to work
with the following versions of NTFS:
- NTFS for Windows NT 4.0, SP3 and higher
- NTFS for Windows 2000
- NTFS for Windows XP
NTFS for Windows 98 works on the following
versions of Windows:
- Windows 95
- Windows 95 OSR2
- Windows 98
- Windows 98 SE
- Windows Me
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| Because the Windows
95/98 environment is different than that of Windows
NT/2000/XP, the level of NTFS support that NTFS
for Windows 98 provides is not equivalent to
that provided on Windows NT/2000/XP. For example,
NTFS for Windows 98 does not enforce the
Windows NT/2000 security model. All files and directories
are accessible, regardless of their security permissions
settings. In addition, NTFS for Windows 98
is not compatible with Windows 2000's Encrypting
file System (EFS). Any files encrypted using EFS
will not be accessible under Windows 98 using NTFS
for Windows 98. |
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Do
not convert your first partition, or your Windows
95/98 boot partition (the one with \windows on it),
to NTFS as there is no support in Windows 95 or
Windows 98 for reading NTFS drives during the boot
sequence.
For maximum compatibility in dual boot systems,
the recommended partition configuration is to maintain
a FAT partition as the first partition on the primary
drive. This partition should contain Windows 95/98
and should not be used to store applications or
data files. The rest of the primary disks, and any
other disks that you wish to share between Windows
98 and Windows NT/2000/XP can be formatted with
NTFS or other file system types (FAT16 or FAT32)
that are understood by the operating systems from
which you wish to access them. Your Windows NT/2000/XP
system directory can be placed on either a FAT or
NTFS drive (note that Windows NT 4.0 cannot be placed
on a FAT32 drive, nor boot from a FAT32 drive).
Below is a file system compatibility chart that
can help you determine which file systems to use
for compatibility in your dual boot environment.
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Before you run the
NTFS for Windows 98 installation program, you
must have access to a number of files (listed below)
from the Windows NT/2000/XP installation you use
to access your NTFS drives. This means that if the
files are located on a NTFS drive you will have
to copy them to a FAT drive accessible from Windows
98.
During the NTFS for Windows 98 setup procedure
you will be prompted for the location of these files.
You may specify either the system directory of a
Windows NT/2000/XP installation (e.g. c:\winnt),
or a directory into which you've copied the necessary
files. The files that you must make available to
NTFS for Windows 98 are:
- NTFS.SYS: this file is located at <winnt>\system32\drivers\ntfs.sys
- NTOSKRNL.EXE: this file is located
at <winnt>\system32\ntoskrnl.exe
- AUTOCHK.EXE: this file is located at
<winnt>\system32\autochk.exe
- NTDLL.DLL: this file is located at
<winnt>\system32\ntdll.dll
- C_437.NLS: this file is located at
<winnt>\system32\c_437.nls
- C_1252.NLS: this file is located at
<winnt>\system32\c_1252.nls
- L_INTL.NLS: this file is located at
<winnt>\system32\l_intl.nls
<winnt> designates the system directory of
the Windows NT/2000/XP installation that contains
the NTFS driver you normally use to access your
NTFS drives.
The setup procedure allows you to assign drive letters
to NTFS drives that NTFS for Windows 98 mounts.
Simply enter a string in the drive-letter selection
entry that designates, in order, the drive letters
for NTFS for Windows 98 to assign. For example,
if you want the first NTFS drive mounted to have
a drive letter of 'D' and the second to have a drive
letter of 'T', you would enter "dt" (without
the quotation marks). Note that the entry is case-insensitive.
Leaving the entry blank has NTFS for Windows 98
assign the first available drive letter to each
mounted NTFS drive.
After the setup procedure is complete you are prompted
to reboot your computer. The next time you boot
the Windows 95 or 98 system on which you installed
NTFS for Windows 98 you will have access
to your computer's NTFS volumes. You may rerun the
configuration utility at any time to select different
drive letters or a different NTFS file. |
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NTFS for Windows
98 includes a scandisk for NTFS drives named
NTFSCHK. In the same way that NTFS for
Windows 98 creates an NT-like environment for
the NTFS driver, NTFSCHK creates an NT-like
environment for the AUTOCHK.EXE (chkdsk) program
of a Windows NT/2000/XP installation. The files
that make up this environment include AUTOCHK.EXE,
NTDLL.DLL, and three character mapping files, C_437.NLS,
C_1252.NLS, and L_INTL.NLS.
The NTFS for Windows 98 setup program adds
the execution of NTFSCHK to your AUTOEXEC.BAT file
so that the consistency of your NTFS drives is checked
every time you boot into Windows 95/98. You may
also run NTFSCHK from DOS before Windows
95/98 starts, from a DOS-box command prompt, or
by selecting the NTFSCHK icon in the NTFS
for Windows 98 program group in the Start menu.
In some cases NTFSCHK will indicate that
it cannot lock the specified drive(s). This condition
results when applications or Windows has active
handles to open files on the NTFS drive for which
NTFSCHK reports the condition. If the applications
in question do not close their handles, or Windows
keeps open handles, you must reboot the computer
and run NTFSCHK before the drive is accessed
by applications or Windows, or reboot into Windows
NT/2000/XP and perform a chkdsk operation there.
While NTFSCHK scans a drive that drive will
not be accessible. If you click on the drive icon
in Explorer you will receive an "access denied"
error message. If Explorer is opened to directories
on a drive being checked and you attempt to navigate
the directories you will receive errors indicating
that the directories do not exist.
NTFSCHK's command-line usage is as follows
(selecting the NTFSCHK program icon results
in a check of all the computer's NTFS drives):
ntfschk [/s] [/f] [/q] [ drive letter: | * ]
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/s |
This switch has NTFSCHK
display the list of detected NTFS drives.
Use this command to determine which drive
letters correspond to NTFS volumes. |
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/f |
Unless you specify
this flag NTFSCHK runs in read-only
mode, where it detects and reports errors
but does not correct them. Use this flag to
fix drives for which NTFSCHK reports
corruption. |
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/q |
This switch has
NTFSCHK perform a quick check of the
specified NTFS drive(s), by not setting the
NTFS drive "dirty" flag on the disk(s).
Thus, NTFSCHK will only check the drive
if it is marked as being in a possibly inconsistent
state. |
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* |
Has NTFSCHK
check all NTFS drives, or you can specify
a specific drive letter (e.g. D:) to check.
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NTFS for Windows 98 (Read-Only) (1.1 MB)
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