http://www.colba.net/~hlebo49/vfat.htm
A number of VFAT articles.

Here is the one/only to come up at...
http://search.support.microsoft.com/search/?adv=1&spid=1139 MSKB
Search "VxD VFAT(01)"; Windows 98; This Only; Full Text; All Words; Any
Time.

http://support.microsoft.com/default.aspx?scid=kb;en-us;256015&Product=w98
Fatal Exception 0E with Multiple MS-DOS Device Names in Path
(256015) - If the last two or more components in a path match MS-DOS
device names, you may receive an error message on a blue screen similar
to the following example: A fatal exception 0E has occurred at (address)
in VXD (FSD) + (address). The current...

And here are the only 4 articles for Win98 about VOLTRACK...

• BUG: VOLTRACK Is Erroneously Unloaded After 255 Device Additions and
Removals
(249824) - VOLTRACK is unloaded and may cause Windows to display a blue
screen after 255 device additions and removals. VOLTRACK keeps a count
of the number of devices it is attached to in an internal byte-size
variable. ... After 255 additions and removals, the byte overflows and
VOLTRACK is unloaded ...
http://support.microsoft.com/kb/249824/en-us

• Hang or Fatal Exception Error If Paging Drive Is Ejected
(179141) - This issue is resolved by the following updated file for
Windows 95 OSR2: Voltrack.vxd version ...
http://support.microsoft.com/kb/179141/en-us

• Windows 98 CD-ROM Directory Listing (9 of 14)
(188436) - ... VXD 42,746 05-11-98 8:01p VKD VXD 45,372 05-11-98 8:01p
VMCPD VXD 22,591 05-11-98 8:01p VMD VXD 9,816 05-11-98 8:01p VMM32 VXD
475,084 05-11-98 8:01p VMOUSE VXD 33,332 05-11-98 8:01p VMPOLL VXD
30,936 05-11-98 8:01p VOLTRACK VXD 18,491 ...
http://support.microsoft.com/kb/188436/en-us

• Windows 98 DMF Floppy Disk Directory Listing (6 of 6)
(191059) - ... 8:01p Vkd.vxd 45,372 05-01-98 8:01p Vmcpd.vxd 22,591
05-01-98 8:01p Vmd.vxd 9,816 05-01-98 8:01p Vmm32.vxd 475,084 05-01-98
8:01p Vmouse.vxd 33,332 05-01-98 8:01p Vmpoll.vxd 30,936 05-01-98 8:01p
Voltrack.vxd 18,491 ...
http://support.microsoft.com/kb/191059/en-us