name: 8501 function: CPU package: DIL,40 manufacturer: Mostek added-by: Marko Virkkula +--()--+ 0o IN | 1 40| /RESET RDY | 2 39| R//W /IRQ | 3 38| D0 AEC | 4 37| D1 VCC | 5 36| D2 A0 | 6 35| D3 A1 | 7 34| D4 A2 | 8 33| D5 A3 | 9 32| D6 A4 |10 31| D7 A5 |11 30| P0 A6 |12 29| P1 A7 |13 28| P2 A8 |14 27| P3 A9 |15 26| P4 A10 |16 25| P6 A11 |17 24| P7 A12 |18 23| GATE IN A13 |19 22| A15 GND |20 21| A14 +------+ This information was added by a third party and may be incorrect. This pinout came from the Chipdir: http://www.chipdir.org/