Pinout by Michael Donat (unfinished) 1: KB (Row bit 6) 2: KB (Row bit 7) 3: KB (Row bit 8) 4: KB (Row bit 9) 5: LCD port 10 6: LCD port 6 7: LCD port 7 8: LCD port 14 9: LCD port 5 10: LCD port 9 11: LCD port 4 12: LCD port 8 13: GND 14: Vcc 15: GND 16: 17: CE (ext ROM $400000) 18: CE (int RAM CE1) (low byte select) 19: CE (ext RAM CE1) (high byte select) 20: WE 21: CE (RAM CE2) 22: D11 23: D 3 24: D10 25: D 2 26: D 9 27: D 1 28: D 8 29: D 0 30: CE (int ROM $200000) 31: A 1 32: A 2 33: A 3 34: A 4 35: A 5 36: A 6 37: A 7 38: A 8 39: A18 40: A19 41: Vcc 42: GND 43: D 4 44: D12 45: D 5 46: D13 47: D 6 48: D14 49: D 7 50: D15 51: A17 52: A16 53: A15 54: A14 55: A13 56: A12 57: A11 58: A10 59: A 9 60: A 0 (for 8 bit RAM access, same as A17 in "iterleaved" mode) 61: A20 62: link port red out 63: link port white out 64: link port red in 65: link port white in 66: Vcc 67: GND 68: LCD port 3 69: 70: 71: 72: 73: > U3 74: 75: KB (Row bit 0) 76: KB (Row bit 1) 77: KB (Row bit 2) 78: KB (Row bit 3) 79: KB (Row bit 4) 80: KB (Row bit 5) 81: 82: ON key 83: KB (Col bit 0) 84: 85: GND 86: 87: 88: KB (Col bit 1) 89: 90: KB (Col bit 2) 91: KB (Col bit 3) 92: 2.2k RES to 94 93: KB (Col bit 4) 94: 20pF CAP to GND 95: GND 96: KB (Col bit 5) 97: KB (Col bit 6) 98: KB (Col bit 7) 99: R46 100: