Mini Base Board (B) / Mini-Computer designed for Raspberry Pi CM5

Waveshare 31233 - Mini Base Board (B) - Mini-Computer Version - Designed for Raspberry Pi Compute Module 5 (NOT Included), Onboard EEPROM and Encryption Chip - CM5-IO-BASE-BOX-B (US)The Waveshare CM5-IO-BASE-B Mini Base Board transforms your Raspberry Pi Compute Module 5 into a powerful mini-computer. This compact (85 × 56 mm) board packs dual USB 3.2 Gen 1, USB 2.0, dual 4K HDMI (one via FFC), Gigabit Ethernet, M.2 (2230/2242) NVMe support, MIPI CSI/DSI, plus built-in EEPROM and ATSHA204 encryption—perfect for secure, versatile embedded and development projects. Compatible with all CM5 variants. Specifications CM5 socket suitable for all variants of Compute Module 5 Networking Gigabit Ethernet RJ45 connector Connector M.2 M KEY (2230 / 2242) Raspberry Pi 40PIN GPIO header USB USB 3.2 Gen1 Type-A × 2, USB 2.0 × 2 (6PIN 1mm FFC connector) 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 Others Onboard EEPROM and Encryption chip Power input DC 5V 5A Dimensions the base board: 85 × 56mm with metal case: 90 × 68mm Compact, yet Complete Onboard multiple connectors, more convenient to use Precise cut-out with clear label Each cut-out is completely aligned with the connector Cooling fan included Comes with cooling fan, combined with the airflow vent, better heat dissipation 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 Encryption chip (ATSHA204)Supports fast and secure symmetric authentication 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 M.2 M KEYSupports 2230/2242 NVMe Solid State Drives and booting Pi5 from solid state drive I2C selectionswitching I2C0 and I2C1 (by default) for the encryption chip and EEPROM CAT24C32EEPROM chip Outline dimensions WIKI: www.waveshare.com/wiki/CM5-IO-BASE-B Package Content CM5-IO-BASE-B 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