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

1. CM4 socket
   suitable for all variants of Compute Module 4
2. Power input/Programming
   5V/2.5A power supply, or used for eMMC burning
3. LCD Port
   40PIN LCD display port, for direct connection to 70H-1024600 series display
4. FAN
   for connecting cooling fan, allows speed adjustment via IO ports
5. CAM
   2x MIPI CSI camera ports
6. HDMI0 connector
   HDMI0 port, supports 4K 30fps output
7. USB 2.0 ports
   2x USB 2.0 ports, for connecting sorts of USB devices
8. Gigabit Ethernet connector
   Gigabit Ethernet RJ45 connector, with 10 / 100 / 1000M network support
9. M.2 indicator
   indicating the operating status of M.2 interface
10. Raspberry Pi indicators
    Green LED: PWR, indicating the status of Raspberry Pi power supply
    Red LED: ACT, indicating the operating status of Raspberry Pi
11. Boot switch
    ON: CM4 would be booted from USB-C interface
    OFF:CM4 would be booted from eMMC or TF card
12. 40PIN GPIO header
    for connecting sorts of HAT
13. TF card slot
    for connecting a TF card with pre-burnt image (Lite variant ONLY)
14. FE1.1S
    USB HUB chip, support expanding USB port
15. M.2 slot
    supports sorts of NVME Solid State Drives, or communication modules with PCIE M.2 KEY-M interface
16. RTC chip
    allows RTC-related functions like wakeup, shutdown, reboot, and more
17. RTC interrupt selection
    GN-EN: CM4 shutdown(by default) on RTC interruption
    PI-RUN: CM4 reboot on RTC interruption
    D4: D4 pin is triggered on RTC interruption
18. RTC battery holder
    supports CR1220 button cell

Package Content

1. CM4-IO-BASE-C x1
2. Solid State Drives mounting screw x1