Overview
Mini Base Board (B) (85x56mm) for Raspberry Pi Compute Module 4, suitable for evaluating the Raspberry Pi CM4 or being integrated into end products.
Onboard multiple connectors including: CSI/DSI/RTC/FAN/HDMI/USB/RJ45 Gigabit Ethernet/Micro SD Card Slot/M. 2 Slot.
Precautions for Use
1: Do not plug and unplug any device except USB and HDMI while the baseboard is working.
2: This model only supports a 5V fan and cannot work with a 12V fan. Please confirm the fan voltage before connecting.
3: The DSI Display Port is connecting the DSI0 interface of the CM4, and doesn't use the DSI1 display interface.
4: The Type C interface can be used for the power supply or the USB SLAVE interface for programming the image.
5: In order to ensure the normal power supply of CM4, please do not connect other devices when using the Type C interface to program the image.
6: It needs to use a 5V 2A power supply for CM4. Otherwise, it may occur some problems such as automatic shutdown, frequency reduction, etc.
7: When using the M. 2 interface, please use the matching screws. Using screws of other lengths may cause the CM4 core to be damaged by the screws.
8: The module doesn't have any protection circuit, please do not short-circuit the power supply.
9: USB 2.0 is closed by default, if you need to open it, you need to add dtoverlay=dwc2, dr_mode=host in config. txt.
10. The HDMI1 can be used by a flat cable output, if you need to use it, you can purchase an HDMI adapter.
11. If you need to use USB3/4 and HDMI1 ports at the same time, you can purchase a USB HDMI Adpter.
12. This expansion board does not support the POE function.
Package Content
CM4-IO-BASE-B x1
Solid State Drives mounting screw x1
Online Development Resources /User Manual: //bit. ly/40ezeYl