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 CM5 socket suitable for all variants of Compute Module 5 Networking Gigabit Ethernet RJ45 connector Connector 16PIN PCIe (PCIe Gen2/3 x1) Raspberry Pi 40PIN GPIO header USB USB 3.2 Gen1 Type A × 2, USB 2.0 via 6PIN 1mm FFC connector × 2 MIPI 4-lane MIPI interface × 2 (22pin 0.5mm FFC connector) Video HDMI port × 2 (including one port via FFC connector), supports dual 4K outputs Storage TF card slot for Compute Module 5 Lite (without eMMC) variants Fan header 5V, 4PIN JST-SH PWM connector Power input    DC 5V 5A Dimensions the base board: 85 × 56mm with metal case: 90 × 68mm 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 CM5 socketsuitable for all variants of Compute Module 5 40PIN GPIO headerfor connecting various HAT / HAT modules Power input/Programming5V / 5A power supply, or used for eMMC burning PCIe interfacefor connecting various PCIe expansion boards PSW Power buttonLong press to force power off, short press to soft power off or on STAT LEDDual-color status LED BOOT buttonPress before powering on and release after powering on to enter the burning mode Dual MIPI interfacesfor connecting DSI displays and CSI cameras HDMI0 connectorHDMI0 port, supports 4K output USB 3.2 Gen1 ports2x USB 3.2 Gen1 high-speed ports, supports 5Gbps synchronous operation RJ45 Gigabit Ethernet portSupports 10M / 100M / 1000M network access 4PIN JST-SH PWM Fan headerfor connecting cooling fan, 5V power supply TF card slotfor connecting a TF card with pre-burnt image (Lite variant ONLY) IO-VREF selectionCM5 IO logic level: 3.3V (default) or 1.8V Other function pinsWIFI / BT hardware disable or write protection HDMI1 FFC connectorHDMI1 port, supports 4K output, can be connected through an adapter USB 2.0 FFC connectorcan be connected through an adapter RTC battery holderSupports CR / ML1220 button cell Outline dimensions WIKI: www.waveshare.com/wiki/CM5-IO-BASE-A Package Content CM5-IO-BASE-A x1 Metal case (top and bottom) x1 Antenna connector rubber plug x1 EVA foam pad x1 CM5-FAN-4010-5V x1 Rail-mount buckle x1 Screws pack x1 Screwdriver x1 27W Power Supply x1