# Apple II Bus (Component)
## Description
Apple II Bus - 50 Pin card edge connector
## Component Details
- **Owner:** a2retro
- **Created:** 1/22/2024
- **Last Updated:** 1/23/2024
- **Visibility:** Public
- **Manufacturer Name:** Apple
- **Datasheet URL:** https://mirrors.apple2.org.za/ftp.apple.asimov.net/documentation/hardware/io/Apple%20II%20Hobby%20and%20Prototyping%20Board%20Manual.pdf
- **Manufacturer Part Number:** AIIBUS
- **Part Type:** Connector
- **Used in:** 16 projects
- **Stars:** 2
- **Part Type:** Connectors
- **Sub-Type:** Card Edge Connectors
- **MPN:** AIIBUS
- **Pin Count:** 50
## Pins
| Pin | Name | Type |
|-----|------|------|
| 26 | GND | |
| 27 | DMA IN | |
| 28 | INT IN | |
| 29 | /NMI | |
| 30 | /IRQ | |
| 31 | /RES | |
| 32 | /INH | |
| 33 | -12V | |
| 34 | -5V | |
| 35 | NC | |
| 36 | 7M | |
| 37 | Q3 | |
| 38 | 01 | |
| 39 | USER1 | |
| 40 | 00 | |
| 41 | DEVSEL | |
| 42 | D7 | |
| 43 | D6 | |
| 44 | D5 | |
| 45 | D4 | |
| 46 | D3 | |
| 47 | D2 | |
| 48 | D1 | |
| 49 | D0 | |
| 50 | +12V | |
| 25 | +5V | |
| 24 | DMA OUT | |
| 23 | INT OUT | |
| 22 | /DMA | |
| 21 | RDY | |
| 20 | IOSTROBE | |
| 19 | NC | |
| 18 | R/W | |
| 17 | A15 | |
| 16 | A14 | |
| 11 | A13 | |
| 14 | A12 | |
| 13 | A11 | |
| 12 | A10 | |
| 11 | A9 | |
| 10 | A8 | |
| 9 | A7 | |
| 8 | A6 | |
| 7 | A5 | |
| 6 | A4 | |
| 5 | A3 | |
| 4 | A2 | |
| 3 | A1 | |
| 2 | A0 | |
| 1 | IOSELECT | |
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*Generated from [https://www.flux.ai/a2retro/apple-ii-bus~4j](https://www.flux.ai/a2retro/apple-ii-bus~4j)*