ncr/doc/Old Models/Technical Manuals/7453_... - Alsys Data
ncr/doc/Old Models/Technical Manuals/7453_... - Alsys Data
ncr/doc/Old Models/Technical Manuals/7453_... - Alsys Data
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4-14 Chapter 4: Hardware ServiceRemoving the Main Processor BoardNote: The Power Supply does not have to be removed before theMain Processor board is removed, but the Auxiliary Power board does.1. For 686 and earlier processor boards, remove the screws (3) thatsecure the processor board bracket to the back of the chassis.Note: Series 4xxx main processor boards are not secured by abracket to the back of the chassis.Remove Screws (3)15127e2. Remove the Control Panel harness.3. Remove the screws (6) that secure the board to the chassis base(next page).