Boardview — Cm-4 94v-0

View the original file request and community discussion for this board at

| Symptom | Boardview Use Case | |---------|--------------------| | No HDMI output | Trace HPD (Hot Plug Detect) and CEC lines from CM-4 connector to HDMI port | | USB ports dead | Locate USB_VBUS enable FET and check its gate drive from VL805 | | Ethernet not recognized | Follow ETH_CLK125 and ETH_INT to the PHY chip | | Overheating power supply | Find all capacitors on the 5V or 3.3V rail using the Boardview’s net highlight | cm-4 94v-0 boardview

Imagine you have a commercial CM4 carrier board with a 94V-0 marking. It stops detecting an M.2 SSD connected via PCIe. With the boardview file: View the original file request and community discussion

In a typical CM-4 carrier Boardview, the 100-pin connector is labeled or DDR4_SODIMM . The pin numbering follows standard memory slots: The pin numbering follows standard memory slots: If

If a liquid spill has corroded a copper path (trace), the Boardview shows you exactly where that signal goes, allowing you to run a "jumper wire" to restore the connection.