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Rock3/CM3/IO

< Rock3‎ | CM3
    ROCK 3 >  Compute Module 3 >  Radxa CM3 IO Board


Radxa CM3 IO Board is an application board for the ROCK3 Compute Module(CM3) with rich IO features.

Cm3io vertical.png

Features

  • Based on Radxa CM3, compatible with Raspberry Pi CM4(limited feature)
  • Half mini-itx design, 170*85mm size, compatible with standard ATX case
  • Support multiple display interfaces, HDMI, 2x MIPI DSI/LVDS, eDP, dual display at the same time
  • Support x1 PCIe card, support ATX case mount
  • Up to 2x SATA(one shared with USB3.0, one shared with PCIe 2.0)
  • Support Ubuntu/Debian and Android

Specifications

Form factor: 160 mm × 90 mm
CM support: - Radxa CM3 all variants
- Raspberry Pi CM4 limited functions
Power: DC 12V 2.5/5.5mm, or 4P ATX PSU with floppy power connector
Connectivity: - 1x Gigabit Ethernet RJ45 with PoE support

- 5 x USB 2.0 port(two internal USB2 headers, three type A connector)
- 1 x USB 3.0 port ( 5Gbps, type A connector )
- 1x USB 2.0 OTG ( Micro USB connector )

- 1 x PCIe 1-lane Host, Gen 2 ( 5Gbps, x1 PCIe connector )
- 2 x SATA 7P connector, one shared with USB 3, one shared with PCIe

- 1x microSD card connector

- 40 x GPIO
Video: - 1x HDMI up to 4K x 2K@60HZ
- 1x eDP support 4K x 2K@60HZ
- 2x MIPI DSI 4 lanes up to 1920 x 1080@60HZ, support dual display
- Dual MIPI CSI input
Audio: - 3.5mm headphone jack with mic support
Others: - Lion battery connector
- RTC battery connector
- FAN connector
Production lifetime: ROCK3 Compute Module IO Board will remain in production until at least Sep 2029

Getting Started

Resource


General purpose input-output (GPIO) connector

Radxa CM3 IO Board has a 40-pin expansion header. Each pin is distinguished by color.