diff --git a/docs/v3.md b/docs/v3.md
index 3e269003..4777df58 100644
--- a/docs/v3.md
+++ b/docs/v3.md
@@ -143,8 +143,8 @@ To manage the power of your computer, you will need to install an ATX adapter bo
     3. **SPI and GPIO** for the custom extension boards.
     4. **Audio capture** jumpers.
     5. **UART access** pins.
-    6. **Serial console port** (for the Raspberry Pi or server console access).
-    7. **USB-C console port**.
+    6. **Serial console port** (default: /dev/ttyAMA0, RS232 input, outputs +6V/-6V, for the Raspberry Pi or server console access).
+    7. **USB-C console port** (shared with #6 above, takes priority over RJ45).
     8. **Power** and **activity LEDs**.
     9. **USB-C power input**.
     10. **I2C display connector**.