| Pin | Name | Description |
|---|---|---|
| 1 | n/c | Reserved |
| 2 | n/c | Reserved |
| 3 | n/c | Reserved |
| 4 | n/c | Reserved |
| 5 | n/c | Reserved |
| 6 | n/c | Reserved |
| 7 | n/c | Reserved |
| 8 | n/c | Reserved |
| 9 | GND | Ground |
| 10 | +5V | +5 Volts DC |
| 11 | A23 | Address 23 |
| 12 | A22 | Address 22 |
| 13 | A21 | Address 21 |
| 14 | A20 | Address 20 |
| 15 | A19 | Address 19 |
| 16 | A18 | Address 18 |
| 17 | A17 | Address 17 |
| 18 | A16 | Address 16 |
| 19 | GND | Ground |
| 20 | +5V | +5 Volts DC |
| 21 | A15 | Address 15 |
| 22 | A14 | Address 14 |
| 23 | A13 | Address 13 |
| 24 | A12 | Address 12 |
| 25 | A11 | Address 11 |
| 26 | A10 | Address 10 |
| 27 | A9 | Address 9 |
| 28 | A8 | Address 8 |
| 29 | GND | Ground |
| 30 | +5V | +5 Volts DC |
| 31 | A7 | Address 7 |
| 32 | A6 | Address 6 |
| 33 | A5 | Address 5 |
| 34 | A4 | Address 4 |
| 35 | A3 | Address 3 |
| 36 | A2 | Address 2 |
| 37 | A1 | Address 1 |
| 38 | A0 | Address 0 |
| 39 | GND | Ground |
| 40 | +5V | +5 Volts DC |
| 41 | D31 | Data 31 |
| 42 | D30 | Data 30 |
| 43 | D29 | Data 29 |
| 44 | D28 | Data 28 |
| 45 | D27 | Data 27 |
| 46 | D26 | Data 26 |
| 47 | D25 | Data 25 |
| 48 | D24 | Data 24 |
| 49 | GND | Ground |
| 50 | +5V | +5 Volts DC |
| 51 | D23 | Data 23 |
| 52 | D22 | Data 22 |
| 53 | D21 | Data 21 |
| 54 | D20 | Data 20 |
| 55 | D19 | Data 19 |
| 56 | D18 | Data 18 |
| 57 | D17 | Data 17 |
| 58 | D16 | Data 16 |
| 59 | GND | Ground |
| 60 | +5V | +5 Volts DC |
| 61 | D15 | Data 15 |
| 62 | D14 | Data 14 |
| 63 | D13 | Data 13 |
| 64 | D12 | Data 12 |
| 65 | D11 | Data 11 |
| 66 | D10 | Data 10 |
| 67 | D9 | Data 9 |
| 68 | D8 | Data 8 |
| 69 | GND | Ground |
| 70 | +5V | +5 Volts DC |
| 71 | D7 | Data 7 |
| 72 | D6 | Data 6 |
| 73 | D5 | Data 5 |
| 74 | D4 | Data 4 |
| 75 | D3 | Data 3 |
| 76 | D2 | Data 2 |
| 77 | D1 | Data 1 |
| 78 | D0 | Data 0 |
| 79 | GND | Ground |
| 80 | +5V | +5 Volts DC |
| 81 | /IPL2 | |
| 82 | /IPL1 | |
| 83 | /IPL0 | |
| 84 | n/c | Reserved |
| 85 | /RST | Reset |
| 86 | /HLT | Halt |
| 87 | n/c | Reserved |
| 88 | n/c | Reserved |
| 89 | SIZE1 | |
| 90 | SIZE0 | |
| 91 | /AS | Address Strobe |
| 92 | /DS | Data Strobe |
| 93 | R/W | Read/Write |
| 94 | /BERR | Bus Error |
| 95 | n/c | Reserved |
| 96 | /AVEC | |
| 97 | /DSACK1 | |
| 98 | /DSACK2 | |
| 99 | CPUCKLA | |
| 100 | ECLOCK | EClock pulse |
| 101 | GND | Ground |
| 102 | +5V | +5 Volts DC |
| 103 | FC2 | Processor Status 2 |
| 104 | FC1 | Processor Status 1 |
| 105 | FC0 | Processor Status 0 |
| 106 | /RMC | |
| 107 | n/c | Reserved |
| 108 | n/c | Reserved |
| 109 | n/c | Reserved |
| 110 | n/c | Reserved |
| 111 | /BR | Slot specific Bus Arbitration |
| 112 | /BG | Slot specific Bus Arbitration |
| 113 | n/c | Reserved |
| 114 | /BOSS | |
| 115 | /FPUCS | FPU Chip select |
| 116 | /FPUSENSE | FPU Sense |
| 117 | CCKA | |
| 118 | /RESET | Reset |
| 119 | GND | Ground |
| 120 | +5V | +5 Volts DC |
| 121 | /NETCS | |
| 122 | /SPARECS | |
| 123 | /RTCCS | Realtime Clock Chip select |
| 124 | /FLASH | |
| 125 | /REG | |
| 126 | /CCENA | |
| 127 | /WAIT | |
| 128 | /KBRESET | Keyboard reset |
| 129 | /IORD | IO Read |
| 130 | /IOWR | IO Write |
| 131 | /OE | Output enable |
| 132 | /WE | |
| 133 | /OVR | /DTACK Override |
| 134 | XRDY | External Ready |
| 135 | /ZORRO | |
| 136 | /WIDE | |
| 137 | /INT2 | Interrupt level 2 |
| 138 | /INT6 | Interrupt level 6 |
| 139 | GND | Ground |
| 140 | +5V | +5 Volts DC |
| 141 | SYSTEM1 | System1 Ground |
| 142 | SYSTEM0 | System0 Ground |
| 143 | /xRxD | |
| 144 | /xTxD | |
| 145 | /CONFIG OUT | |
| 146 | AGND | Audio Ground |
| 147 | ALEFT | Audio Left |
| 148 | ARIGHT | Audio Right |
| 149 | +12V | +12 Volts DC |
| 150 | -12V | -12 Volts DC |
computer bus pin assignment
correct
incorrect