Mini Base Board (A) Designed for Raspberry Pi Compute Module 4

Suitable for evaluating the Raspberry Pi CM4 or for integration into end products.

What’s On Board

1. CM4 socketsuitable for all variants of Compute Module 4
2. Power input/Programming5V/2.5A power supply, or used for eMMC burning
3. DISPMIPI DSI display port
4. FANfor connecting cooling fan, allows speed adjustment and measurement
5. CAM2x MIPI CSI camera ports
6. HDMI0 connectorHDMI0 port, supports 4K 30fps output
7. USB 2.0 ports2x USB 2.0 ports, for connecting various USB devices
8. Gigabit Ethernet connectorGigabit Ethernet RJ45 connector, with 10 / 100 / 1000M network support
9. M.2 indicatorindicating the operating status of the M.2 interface
10. ACT indicatorindicating the operating status of the Raspberry Pi
11. PWR indicatorindicating the status of the Raspberry Pi power supply
12. BOOT selectionON: CM4 will boot from the USB-C interface

    OFF: CM4 will boot from eMMC or Micro SD card

13. 40PIN GPIO header
14. Micro SD card slotfor connecting a Micro SD card with pre-burnt image (Lite variant ONLY)
15. HDMI1 FFC connectorHDMI1 port, supports 4K 30fps output
16. USB 2.0 FFC connectorcan be connected via an adapter
17. FE1.1SUSB HUB chip, expands one USB port to 4x ports
18. M.2 slotsupports various NVMe SSDs or communication modules with a PCIe M.2 KEY-M interface

Package Content:

1. CM4-IO-BASE-A x1
2. SSD mounting screw x1

Document

• Schematic
• CSI Camera Reference
• DSI Display Reference
• Wiki