To install the DOS based version of the 12X CDROM drivers, 
run the INSTALL.EXE found in this dir from a DOS prompt.

1. On the first screen change the "Path to DOS" from "C:\DOS"
   to "C:\WINDOWS\COMMAND".

2. Cursor to Start Installation , press enter.

3. Select Yes, press enter.

4. Press enter to complete the installation and return 
   to the DOS prompt.

Note:
 This line will be added to your Config.SYS
 DEVICE=C:\TSY\TSYCDROM.SYS  /D:TSYCD1

 This line will be added to your Autoexec.Bat
 C:\WINDOWS\COMMAND\MSCDEX.EXE   /D:TSYCD1

 There will be a new subdir (TSY) on the root of c:. 
 This will contain "TSYCDROM.SYS".