Mini Base-board for Raspberry Pi Compute Module 4

1. CM4 socket
2. Input power / programming power supply
   5 V / 2.5 A, or used for eMMC burning
3. DISP MIPI DSI display port
4. Fan
5. Camera (2x MIPI CSI camera ports)
6. HDMI0 connector HDMI0 port, supports 4K 30fps output
7. USB 2.0 ports x2
8. Gigabit Ethernet RJ45 connector, with 10/100/1000M network support
9. M.2 indicator
   indicating the operating status of the M.2 interface
10. ACT indicator
    indicating the operating status of the M.2 interface Raspberry Pi
11. PWR indicator
    indicating the power status of the M.2 interface Raspberry Pi
12. BOOT selection jumper
    Shorted: CM4 booted from USB-C interface
    Jumper open: CM4 booted from eMMC or Micro SD card
13. GPIO header 40PIN
14. Micro SD card slot
    for connecting a Micro SD card with pre-burned image (Lite variant ONLY)
15. HDMI1 FFC connector
    HDMI1 port, supports 4K 30fps output
16. USB 2.0 FFC connector (can be connected via adapter)
17. FE1.1S chip
    USB HUB, extends one USB port to 4x ports
18. M.2 slot
    supports NVME SSD types or communication modules with PCIE M.2 KEY-M interface
19. RTC chip
    enables RTC-related functions such as wake-up, shutdown, reboot, etc.
20. RTC interrupt selection
    PI-RUN: CM4 restart on RTC interrupt
    GN-EN: CM4 stop on RTC interrupt
    D4: D4 pin is triggered on RTC interrupt
21. Fan controller EMC2301 , for speed control/measurement
22. RTC battery holder
    supports CR1220 button battery

Dimensions