Epson 3865X Plus - Manual (Page 148)

Resides the software drivers listed above, the Utility diskettes
also include the following utility programs:
V G A M O D E
S E T V G A
S N O O Z E
MOUSE7PT.EXE (a software patch for mouse support).
Preparing to Install Drivers or Utilities
Before you install any of the drivers or utilities on the Utility
diskettes, follow these precautions:
Make backup copies of the Utility diskettes using the
DISKCOPY command or the Epson MENU utility. (See
your MS-DOS Reference Manual for instructions.) Store
the original diskettes in a safe place, and use your backup
copies to install the software drivers and utilities on your
hard disk.
Using the VGA Utilities A-3