|14 || (A19,-12V,/MMU DIS) || (IRQ7) || D1
|-
|15 || (-12V,-5V)<br>Schneiderware: EXP || (IRQ6) || (--12/15V)<br>Schneiderware: -12V
|-
|16 || (2PHI,nPHI)<br>Schneiderware: HALT || (IRQ5) || IEO<br>Schneiderware: LPEN
|18 || A14 || (IRQ3) || A10
|-
|19 || (--+12/15V) || (IRQ2) || (A21,A16)<br>Schneiderware: ROMEN
|-
|20 || /M1<br>Schneiderware: SOUND || (IRQ1) || /NMI