Question : I removed the cmos battery from a dell power edge 2650

I removed the cmos battery from a dell power edge 2650 to errase the cmos know i cant set up my radid controler i dont get the option i use to get when i enter the raid controler option the can some one help me with step by step instruction

Answer : I removed the cmos battery from a dell power edge 2650

By default, the RAID controller is off.  By resetting the BIOS to defaults, you also turned off the RAID controller.

Got to BIOS (F2), Embedded Devices, and set Integrated RAID to RAID Enabled instead of SCSI Enabled.