  FS2PCR changes descriptor FS register contains GDT selector to, so
that it will point to data segment of size 4096 (~NT PCR size). Descriptor's
limit is set to 4095. Originally, the size of segment is 4 (size of
TIB.ExceptionHead) and limit = 3. Unfortunatelly, it may not be sufficient
limit for drivers cooperating with original NT drivers (like is M. Russinovich's
NTFS for Win98). While Win9x expects drivers changing FS:0 (ExceptionHead) only,
NT drivers may touch also other PCR fields. I often got GPF due to
MOVZX EAX, BYTE PTR FS:[0x51] (ntfs.sys) and had to fix the FS's limit manually.
  Installation:  Win3.1|Win9x\%windir%\system.ini\[386Enh]
Add: device=PathTo\FS2PCR.vxd
  VXD size was decreased using Horned Beasts's VXDPACK.
  Use at your own risk.