Mini Base Board (A) Mini-Computer designed for Raspberry Pi Compute Module 5

Waveshare 31230 - Mini Base Board (A) / Mini-Computer designed for Raspberry Pi Compute Module 5 (NOT Included) - CM5-IO-BASE-BOX-A (US)

The Waveshare CM5-IO-BASE-BOX-A (US) Mini Computer is designed for the Raspberry Pi Compute Module 5. It delivers reliable performance with dual HDMI, PCIe x1, Gigabit Ethernet, and USB 3.2 support. A standard 40-pin GPIO header and MIPI interfaces make it flexible for cameras and displays. Ideal for embedded projects, prototyping, or compact industrial setups.

Specifications

Compact, yet Complete

Onboard multiple connectors, making it more convenient to use

Precise cut-out with clear label

Each cut-out is completely aligned with the connector

What's On Board

1. CM5 socket
   suitable for all variants of Compute Module 5
2. 40PIN GPIO header
   for connecting various HAT / HAT+ modules
3. Power input/Programming
   5V / 5A power supply, or used for eMMC burning
4. PCIe interface
   for connecting various PCIe expansion boards
5. PSW Power button
   Long press to force power off, short press to soft power off or on
6. STAT LED
   Dual-color status LED
7. BOOT button
   Press before powering on and release after powering on to enter the burning mode
8. Dual MIPI interfaces
   for connecting DSI displays and CSI cameras
9. HDMI0 connector
   HDMI0 port, supports 4K output
10. USB 3.2 Gen1 ports
    2x USB 3.2 Gen1 high-speed ports, supports 5Gbps synchronous operation
11. RJ45 Gigabit Ethernet port
    Supports 10M / 100M / 1000M network access
12. 4PIN JST-SH PWM Fan header
    for connecting cooling fan, 5V power supply
13. TF card slot
    for connecting a TF card with pre-burnt image (Lite variant ONLY)
14. IO-VREF selection
    CM5 IO logic level: 3.3V (default) or 1.8V
15. Other function pins
    WIFI / BT hardware disable or write protection
16. HDMI1 FFC connector
    HDMI1 port, supports 4K output, can be connected through an adapter
17. USB 2.0 FFC connector
    can be connected through an adapter
18. RTC battery holder
    Supports CR / ML1220 button cell

Outline dimensions

WIKI: www.waveshare.com/wiki/CM5-IO-BASE-A

Package Content

1. CM5-IO-BASE-A x1
2. Metal case (top and bottom) x1
3. Antenna connector rubber plug x1
4. EVA foam pad x1
5. CM5-FAN-4010-5V x1
6. Rail-mount buckle x1
7. Screws pack x1
8. Screwdriver x1
9. 27W Power Supply x1