| VCC | 13 | 38 | VCC | +5V² |
| GND¹ | A06 | 14 | 39 | CSEL# | 28³ |
| GND¹ | А05 | 15 | 40 | VS2# | - |
| GND¹ | А04 | 16 | 41 | RESET# | 1 |
| GND¹ | A03 | 17 | 42 | IORDY | 27 |
| 36 | А02 | 18 | 43 | INPACK# | - |
| 33 | А01 | 19 | 44 | REG# | +5V² |
| 35 | A00 | 20 | 45 | DASP# | 39 |
| 17 | D00 | 21 | 46 | PDIAG# | 34 |
| 15 | D01 | 22 | 47 | D08 | 4 |
| 13 | D02 | 23 | 48 | D09 | 6 |
| 32 | IOCS16# | 24 | 49 | D10 | 8 |
| - | CD2# | 25 | 50 |
