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Green development board with USB HDMI adapter attached via ribbon cable

LORDWORLD

LORDWORLD CM4-IO-BASE-B + USB HDMI Adapter development board

SKU CH-XT0M-T9SQR

Expands a Raspberry Pi Compute Module 4 with extra USB and HDMI ports plus CSI, DSI, RTC, fan header, Gigabit Ethernet, microSD and M.2 slots on a compact carrier board

  • Credit-card footprint with full I/O for CM4 evaluation
  • Standard CM4 socket plus colour-coded 40-pin GPIO header for direct module connection
  • Supports both Compute Module 4 Lite and eMMC variants
  • Onboard CSI, DSI, RTC, fan, HDMI, USB, Gigabit Ethernet, Micro SD and M.2 connectors
  • USB HDMI adapter adds extra USB and HDMI ports via FFC

Development board for Compute Module 4

This carrier board hosts a Raspberry Pi Compute Module 4 Lite or eMMC variant in a standard socket. It is aimed at engineers evaluating the module or integrating it into finished products. The compact layout exposes a 40-pin GPIO header with colour-coded pins for quick reference.

Build and everyday connectivity

The board fits a credit-card footprint while providing CSI, DSI, RTC, fan header, HDMI, USB, Gigabit Ethernet, microSD slot and an M.2 slot. A USB-HDMI adapter connects via FFC to add extra USB and HDMI ports for peripheral expansion. Mounting holes allow secure installation inside enclosures.

Thermals, noise and power

Passive cooling is provided by the onboard fan header; no active cooler is included so acoustic output depends on the fan chosen. Power is drawn through the Compute Module 4 socket and the adapter, with consumption determined by the fitted module and attached peripherals. The Gigabit Ethernet and M.2 interfaces operate within the module's standard power envelope.

Highlights

  • Credit-card footprint with full I/O for CM4 evaluation
  • Standard CM4 socket plus colour-coded 40-pin GPIO header for direct module connection
  • Supports both Compute Module 4 Lite and eMMC variants
  • Onboard CSI, DSI, RTC, fan, HDMI, USB, Gigabit Ethernet, Micro SD and M.2 connectors
  • USB HDMI adapter adds extra USB and HDMI ports via FFC

Specifications

BrandLORDWORLD

Questions about this item

What does the Gigabit Ethernet RJ45 port cap at in practice?

The onboard RJ45 Gigabit Ethernet connector provides a standard 1 Gbps wired network link for the Compute Module 4.

What physical space and connectors are needed to mount this board?

The credit card sized carrier exposes a standard CM4 socket, colour coded 40 pin GPIO header, CSI, DSI, RTC, fan header, HDMI, USB, RJ45, micro SD slot and M.2 slot.

How do you install a Compute Module 4 onto this carrier and what step is often missed?

Align the module with the standard CM4 socket and press firmly until seated; the matching USB HDMI adapter then connects via FFC to add extra USB and HDMI ports.

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