ScSI  drivers
You may visit the following sites and foloow those if you wish,
- Although do note that scsi drivers related to Adaptec are included in most of the custom DOS 7.10 that you see in the pages , 3 & 4

 Adaptec 2940 SCSI cards are included in windows 98 onwards.

For windows 95 and DOS only , it will need being loaded / envoked either from Config.sys or Autoexec.