---
layout: download
board_id: "raspberry_pi_1b"
title: "Raspberry Pi 1 Model B Download"
name: "Raspberry Pi 1 Model B"
manufacturer: "Raspberry Pi Foundation"
board_url: "https://www.adafruit.com/product/998"
board_image: "raspberry_pi_1b.jpg"
download_instructions: "https://learn.adafruit.com/circuitpython-on-raspberrypi-linux/installing-circuitpython-on-raspberry-pi"
downloads_display: true
blinka: true
features:
- Ethernet
- HDMI
- Composite Video
- 26-pin GPIO
---

The Model B was the original Raspberry Pi Model B and consisted of two revisions.  In July 2014 It was superseded by the Raspberry Pi 1 Model B+

- Broadcom BCM2835, ARM11 76JZF-S SoC @ 700MHz
- 512MB RAM
- 26-pin GPIO header
- Separate Composite Video Output
- 2 USB 2.0 ports
- CSI camera port for connecting a Raspberry Pi camera
- DSI display port for connecting a Raspberry Pi touchscreen display
- Stereo audio output port
- Full-size SD port for loading your operating system and storing data

## Contribute

Have some info to add for this board? Edit the source for this page [here](https://github.com/adafruit/circuitpython-org/edit/master/_blinka/{{ page.board_id }}.md).
