| Signal | Connected To | Notes | |
| Ground | |||
| +5 | |||
| D7 | U303-17 | To Sense Board | |
| D6 | U303-15 | To Sense Board | |
| D5 | U303-13 | To Sense Board | |
| D4 | U303-11 | To Sense Board | |
| D3 | U303-8 | To Sense Board | |
| D2 | U303-6 | To Sense Board | |
| D1 | U303-4 | To Sense Board | |
| D0 | U303-2 | To Sense Board |
Copyright © 1992 Donnie V. Savage
All Rights Reserved.