(often written as 94V-0) is a UL (Underwriters Laboratories) flammability rating for printed circuit boards. It falls under UL94 standards:
To find the correct technical documentation, you must first separate the phrase into its two distinct components: 1. CM4 (Compute Module 4)
Before you draw a single wire, decide which interfaces your carrier board must provide. Ask yourself: cm4 94v0 schematics
100 nF capacitors must be placed inline on the Transmitter (TX) lines close to the root complex.
The CM4 breaks out several high-speed interfaces that require careful impedance control in the PCB layout: (often written as 94V-0) is a UL (Underwriters
Industrial CM4 carriers require robust protection. The official schematic shows:
If you are inspecting a custom carrier board, a third-party baseboard, or an electronic device powered by a Raspberry Pi Compute Module 4 (CM4), you might encounter the text printed directly on the green or black fiberglass. Ask yourself: 100 nF capacitors must be placed
For those who prefer starting with a pre-made template rather than a blank PDF: KiCad Templates