Troubleshooting 181 
 
Controller Communication Failure Occurred 
Description: Controller communication failure occurred. ADU was unable to 
successfully issue commands to the controller in this slot. 
Action: 
1.  Be sure all cables are properly connected and working. 
2.  Be sure the controller is working, and replace if needed. 
 
Controller Detected. NVRAM Configuration not Present 
Description: EISA NVRAM does not contain a configuration for this controller. 
Action: Run the server setup utility to configure the NVRAM. 
 
Controller Firmware Needs Upgrading 
Description: Controller firmware is below the latest recommended version. 
Action: Run Options ROMPaq to upgrade the controller to the latest firmware 
revision. 
 
Controller is Located in Special "Video" Slot 
Description: Controller is installed in the slot for special video control signals. If 
the controller is used in this slot, LED indicators on front panel may not function 
properly. 
Action: Install the controller into a different slot, and run the server setup utility 
to configure NVRAM. Then, run ACU to configure the controller.