To support the AMD Am5x86-P75 (133 MHz) CPU on the DFI G486-VPA motherboard,
these conditions have to be met:

1. G486-VPA Revision A or newer motherboard

2. BIOS dated 11/20/95 (VPA12.bin) or newer for AMD Am5x86-P75 (133 MHz)

3. Jumpers setting for AMD Am5x86-P75 (133 MHz) CPUs:
        JRN1: All On
        JRN2: All Off
        JRN3: All Off
        JP14: 2-3 On
        JP33: Off
        JP34: 1-2 On
        JP35: 1-2 On
        JP36: 1-2 On
        JP31: 2-3 On  ; 3.45V
        JP32: 2-3 On
        JP41: 1-2 On
        JP18: 2-3 On  ; 33MHz bus/external speed
        JP19: 2-3 On
        JP21: 1-2 On
        JP42: On      ; AMD Am5x86

4. Please refer to the manual on how to set the other jumpers