1. Do the following flash recovery procedure: a. Insert a newly formatted DOS diskette loaded with service processor firmware into the diskette drive. The file name must be spflash.img. Note: Insert the diskette after checkpoint E080 is displayed on the operator panel. b. Shutdown the system unit and unplug the power cable. c. Plug in the power cable, power-on the system unit.2. Retry item 1 with a newly formatted DOS diskette. 3. Replace the system board. (See note 3 on page 77.)