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External Options Connector Continued |
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Pin |
| Signal |
| Pin |
| Signal |
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51 |
| Reserved | 80 |
| System Data Bit 1 | |
52 |
| Mouse Data | 81 |
| Ground | |
53 |
| NC | 82 |
| TV - NTSC/PAL Encoding Select | |
54 |
| NC | 83 |
| VAFC - Pixel Data 15 | |
55 |
| NC | 84 |
| VAFC - Pixel Data 11 | |
56 |
| DMA Acknowledge 1 | 85 |
| Ground | |
57 |
| DMA Request 5 | 86 |
| VAFC - Pixel Data 7 | |
58 |
| DMA Request 0 | 87 |
| VAFC - Pixel Data 3 | |
59 |
| Interrupt Request 11 | 88 |
| Ground | |
60 |
| Interrupt Request 6 | 89 |
| VAFC - Dot Clock | |
61 |
| Interrupt Request 3 | 90 |
| VAFC - Blanking | |
62 |
| Ground | 91 |
| Ground | |
63 |
| Bus Master Grab | 92 |
| Line In- Left Channel | |
64 |
| No Wait States | 93 |
| Ground | |
65 |
| DMA Terminate Count | 94 |
| Joystick Read Control | |
66 |
| Low Memory Write Control | 95 |
| Joystick Write Control | |
67 |
| Byte High Enable | 96 |
| DC Voltage Input | |
68 |
| Ground | 97 |
| Expansion - Clock (Reserved) | |
69 |
| System Address Bit 21 | 98 |
| Battery 2 Voltage | |
70 |
| System Address Bit 17 | 99 |
| CRT ID Bit 1 / Data | |
71 |
| System Data Bit 15 | 100 |
| Battery 1 Voltage | |
72 |
| System Data Bit 13 | 101 |
| Battery 1 Voltage | |
73 |
| Ground | 102 |
| CRT ID Bit 0 | |
74 |
| System Data Bit 11 | 103 |
| Battery 2 Voltage | |
75 |
| System Data Bit 9 | 104 |
| Expansion - Data (Reserved) | |
76 |
| System Data Bit 7 | 105 |
| DC Voltage Input | |
77 |
| Ground | 106 |
| MIDI In | |
78 |
| System Data Bit 5 | 107 |
| MIDI Out | |
79 |
| System Data Bit 3 | 108 |
| Ground | |
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Continued
Connector Pin Assignments |