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CPU Boards

Board Name    Description                  Location
-------------------------------------------------------------
H11C-INT      Interrupt Controller         Backplane Slot #1
H11C-BUS      Bus Controller               Backplane Slot #2
H11D-ALU1     ALU board 1                  Backplane Slot #3
H11D-ALU2     ALU board 2                  Backplane Slot #4
H11R-A        Register A                   Backplane Slot #5  
H11R-LARLDR   Console registers (LAR, LDR)  Backplane Slot #6
H11R-PC       Register PC                  Backplane Slot #7
H11R-SPOR     Registers SP, OR             Backplane Slot #8
H11R-GEN      Registers B, C               Backplane Slot #9
H11R-GEN      Register D, E                Backplane Slot #10
H11C-MC       Master Controller            Backplane Slot #11
H11C-IDS1     IDS card 1                   Backplane Slot #12
H11C-IDS2     IDS card 2                   Backplane Slot #13

[ More IDS cards may exist on slots #14-18 ]

H11D-CONL     Console Display Lamps (left)  Console assembly
H11D-CONL     Console Display Lamps (right) Console assembly
H11D-CONB     Console stu Lamps and Buttons Console assembly
H11C-CONC     Console Controller            Console assembly

Note: Boards with same name are interchangable.