OVER:BOARD
Bridging the PC world to the Raspberry Pi maker community
RASPBERRY PI 4 MINI-ITX MOTHERBOARD
Carrier board for: Raspberry Pi 4 Compute Module*
Form factor: Mini-ITX
Dimensions: 170x170mm
OVER:PREPARED
The design is ready to go and is built up from the Raspberry Pi CMIO 4 board schematic and extended to include more PC-centric components and engineered for maximum compatibility with Mini-ITX, Micro-ATX and ATX cases and PC peripherals.
* Raspberry Pi 4 Compute Module not included with Over:Board as you may already have one and they are readily available from online retailers
Over:Engineered
In addition to the standard Raspberry Pi interfaces found on the various standard models and the Compute Module I/O board, the Over:Board offers a full-size PCI-Express slot (but still just the 1x single-lane PCI-E v2.0 bus), a 24-pin ATX power header, Real-Time Clock with backup battery, RS232 (DB9) COM port, USB 2.0 4-port hub with two physical ports, USB Audio IC with Line-out and Mic-in, and a USB SATA controller for HDD/SSD storage. I've kept the PCI-Express lane clear to the slot for full performance expansion cards and offer the additional functionality using the USB 2.0 bus which gives minimal functionality without compromising expandability.
OVER:PERFORMANCE
The Raspberry Pi 4 Compute Module
Broadcom BCM2711 quad-core Cortex-A72 (ARM v8) 64-bit SoC @ 1.5GHz
H.265 (HEVC) (up to 4Kp60 decode), H.264 (up to 1080p60 decode, 1080p30 encode)
OpenGL ES 3.0 graphics
Options for 1GB, 2GB, 4GB or 8GB LPDDR4-3200 SDRAM (depending on variant)
Options for 0GB ("Lite"), 8GB, 16GB or 32GB eMMC Flash memory (depending on variant)
Option for fully certified radio module: 2.4 GHz, 5.0 GHz IEEE 802.11 b/g/n/ac wireless; Bluetooth 5.0, BLE;
