Raspberry Pi Compute Module 4 IO Board
Development carrier board for Compute Module 4, providing full-size HDMI, Ethernet, USB, PCIe slot, camera/display connectors, and 40-pin GPIO. Discontinued.
Pinout
- 3.3V1Type · Power
- 5V2Type · Power
- GPIO2 (SDA1)3Type · Signal
- 5V4Type · Power
- GPIO3 (SCL1)5Type · Signal
- GND6Type · Ground
- GPIO47Type · GPIO
- GPIO14 (TXD0)8Type · Signal
- GND9Type · Ground
- GPIO15 (RXD0)10Type · Signal
- GPIO1711Type · GPIO
- GPIO1812Type · GPIO
- GPIO2713Type · GPIO
- GND14Type · Ground
- GPIO2215Type · GPIO
- GPIO2316Type · GPIO
- 3.3V17Type · Power
- GPIO2418Type · GPIO
- GPIO10 (MOSI)19Type · Signal
- GND20Type · Ground
- GPIO9 (MISO)21Type · Signal
- GPIO2522Type · GPIO
- GPIO11 (SCLK)23Type · Signal
- GPIO8 (CE0)24Type · Signal
- GND25Type · Ground
- GPIO7 (CE1)26Type · Signal
- GPIO0 (ID_SD)27Type · Signal
- GPIO1 (ID_SC)28Type · Signal
- GPIO529Type · GPIO
- GND30Type · Ground
- GPIO631Type · GPIO
- GPIO1232Type · GPIO
- GPIO1333Type · GPIO
- GND34Type · Ground
- GPIO1935Type · GPIO
- GPIO1636Type · GPIO
- GPIO2637Type · GPIO
- GPIO2038Type · GPIO
- GND39Type · Ground
- GPIO2140Type · GPIO
| Pin | Position | Type |
|---|---|---|
| 3.3V | 1 | Power |
| 5V | 2 | Power |
| GPIO2 (SDA1) | 3 | Signal |
| 5V | 4 | Power |
| GPIO3 (SCL1) | 5 | Signal |
| GND | 6 | Ground |
| GPIO4 | 7 | GPIO |
| GPIO14 (TXD0) | 8 | Signal |
| GND | 9 | Ground |
| GPIO15 (RXD0) | 10 | Signal |
| GPIO17 | 11 | GPIO |
| GPIO18 | 12 | GPIO |
| GPIO27 | 13 | GPIO |
| GND | 14 | Ground |
| GPIO22 | 15 | GPIO |
| GPIO23 | 16 | GPIO |
| 3.3V | 17 | Power |
| GPIO24 | 18 | GPIO |
| GPIO10 (MOSI) | 19 | Signal |
| GND | 20 | Ground |
| GPIO9 (MISO) | 21 | Signal |
| GPIO25 | 22 | GPIO |
| GPIO11 (SCLK) | 23 | Signal |
| GPIO8 (CE0) | 24 | Signal |
| GND | 25 | Ground |
| GPIO7 (CE1) | 26 | Signal |
| GPIO0 (ID_SD) | 27 | Signal |
| GPIO1 (ID_SC) | 28 | Signal |
| GPIO5 | 29 | GPIO |
| GND | 30 | Ground |
| GPIO6 | 31 | GPIO |
| GPIO12 | 32 | GPIO |
| GPIO13 | 33 | GPIO |
| GND | 34 | Ground |
| GPIO19 | 35 | GPIO |
| GPIO16 | 36 | GPIO |
| GPIO26 | 37 | GPIO |
| GPIO20 | 38 | GPIO |
| GND | 39 | Ground |
| GPIO21 | 40 | GPIO |
Pin details
40 connections- 3.3V1Power
- 5V2Power
- GPIO2 (SDA1)3Signal
- 5V4Power
- GPIO3 (SCL1)5Signal
- GND6Ground
- GPIO47GPIO
- GPIO14 (TXD0)8Signal
- GND9Ground
- GPIO15 (RXD0)10Signal
- GPIO1711GPIO
- GPIO1812GPIO
- GPIO2713GPIO
- GND14Ground
- GPIO2215GPIO
- GPIO2316GPIO
- 3.3V17Power
- GPIO2418GPIO
- GPIO10 (MOSI)19Signal
- GND20Ground
- GPIO9 (MISO)21Signal
- GPIO2522GPIO
- GPIO11 (SCLK)23Signal
- GPIO8 (CE0)24Signal
- GND25Ground
- GPIO7 (CE1)26Signal
- GPIO0 (ID_SD)27Signal
- GPIO1 (ID_SC)28Signal
- GPIO529GPIO
- GND30Ground
- GPIO631GPIO
- GPIO1232GPIO
- GPIO1333GPIO
- GND34Ground
- GPIO1935GPIO
- GPIO1636GPIO
- GPIO2637GPIO
- GPIO2038GPIO
- GND39Ground
- GPIO2140GPIO
Start wiring
USB · Ethernet
Confirm the data interface matches your host board.
Module pins: 3.3V, 5V, GND, GPIO2 (SDA1), GPIO3 (SCL1), GPIO4, GPIO14 (TXD0), GPIO15 (RXD0). Schematik maps them to your board in the app.
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