Rockwell Automation 6181 Industrial Computer - Manual (Page 66)

6–8 Installing/Removing the Hard Drive, Floppy Drive, or Expansion Bay
Publication 6181-UM001D-EN-P
3. Carefully remove the expansion bay.
Note: Depending on the expansion drive installed, the cables
connecting the drive may be short. Be sure not to
damage the drive or the connections.
4. If necessary, disconnect the ribbon cable connector and the power
connector from the expansion drive.