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- SKU: 31234
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Mini Base Board (B) / Mini-Computer designed for Raspberry Pi Compute Module 5 (NOT Included), Onboard EEPROM And Encryption Chip.
As the IO board of the Raspberry Pi Compute Module 5, CM5-IO-BASE-B is a baseboard that can be used with the Raspberry Pi Compute Module 5. With powerful features are integrated into a compact design, it is only the size of a bank card. It comes with two USB3.2 Gen1 ports and two USB2.0 ports onboard, making it convenient for users.
Resources
User Manual / Datasheet / Example Codes Etc.
Specifications
| CM5 socket | suitable for all variants of Compute Module 5 |
|---|---|
| Networking | Gigabit Ethernet RJ45 connector |
| Connector | M.2 M KEY (2230 / 2242) |
| Raspberry Pi 40PIN GPIO header | |
| USB | USB 3.2 Gen1 Type-A × 2, USB 2.0 × 2 (6PIN 1mm FFC connector) |
| MIPI | 4-lane MIPI interface × 2 (22pin 0.5mm FFC connector) |
| Video | HDMI port × 2 (including one port via FFC connector), supports dual 4K outputs |
| Storage | TF card slot for Compute Module 5 Lite (without eMMC) variants |
| Fan header | 5V, 4PIN JST-SH PWM connector |
| Others | Onboard EEPROM and Encryption chip |
| Power input | DC 5V 5A |
| Dimensions | the base board: 85 × 56mm |
| with metal case: 90 × 68mm |
Onboard Peripherals

- CM5 socket
suitable for all variants of Compute Module 5 - 40PIN GPIO header
for connecting various HAT / HAT+ modules - Power input/Programming
5V / 5A power supply, or used for eMMC burning - Encryption chip (ATSHA204)
Supports fast and secure symmetric authentication - PSW Power button
Long press to force power off, short press to soft power off or on - STAT LED
Dual-color status LED - BOOT button
Press before powering on and release after powering on to enter the burning mode - Dual MIPI interfaces
for connecting DSI displays and CSI cameras - HDMI0 connector
HDMI0 port, supports 4K output - USB 3.2 Gen1 ports
2x USB 3.2 Gen1 high-speed ports, supports 5Gbps synchronous operation - RJ45 Gigabit Ethernet port
Supports 10M / 100M / 1000M network access - 4PIN JST-SH PWM Fan header
for connecting cooling fan, 5V power supply - TF card slot
for connecting a TF card with pre-burnt image (Lite variant ONLY) - IO-VREF selection
CM5 IO logic level: 3.3V (default) or 1.8V - Other function pins
WIFI / BT hardware disable or write protection - HDMI1 FFC connector
HDMI1 port, supports 4K output, can be connected through an adapter - USB 2.0 FFC connector
can be connected through an adapter - RTC battery holder
Supports CR / ML1220 button cell - M.2 M KEY
Supports 2230/2242 NVMe Solid State Drives and booting Pi5 from solid state drive - I2C selection
switching I2C0 and I2C1 (by default) for the encryption chip and EEPROM - CAT24C32
EEPROM chip
Dimensions


Package Contents
- CM5-IO-BASE-B x1
- Metal case (top and bottom) x1
- Antenna connector rubber plug x1
- EVA foam pad x1
- CM5-FAN-4010-5V x1
- Rail-mount buckle x1
- Screws pack x1
- Screwdriver x1
- OPTIONS 27W Power Supply x1

Warranty Terms :
Branded products (Waveshare/ Raspberry Pi/ Radxa/ DWIN etc) are as per brand warranty terms. Generic products are eligible for replacement within 7 days of delivery based on following conditions.
Products are eligible for a replacement if there is physical damage during transit or a clear manufacturing defect. Any claim for damage/ wrong items/ replacement must be made within 48 hours of successful delivery of the product. Requests for refund of amount or exchange of product(s) will be reviewed on a case by case basis and HUBTRONICS carries final rights to take a final decision on refund, store credit or exchange.
What to take care of ?
Most of our products are technical in nature and require trained personnel to handle them. Any kind of mishandling can result in damage or malfunctioning of the product, it is not possible for us to provide a replacement or refund if the product is damaged due to technical or physical mishandling.
Who pays the return shipping cost?
Free of cost return pickup from delivery address is eligible for products categorized as manufacturing defect/ Damage in transit/ Wrong items delivered. We do not support return pickup for any B2B order or offline orders not placed on website. Buyer need to arrange return shipping for B2B orders.
What voids warranty?
Please note that replacement/ return or refund is not possible if the product is not compatible with your system/application. Please check all the technical details/ dimensions etc. before ordering and contact us for any kind of clarifications.
If product is soldered/ programmed at any point or physically altered in any way, it is not eligible for return/ replacement. If the item requires soldering for testing, please ensure that you use suitable clips or jig to test it without soldering. Any kind of soldering job makes the product ineligible for return or replacement.
Following items are not eligible for return under any circumstances
- Device Programmers / Dongles
- Soldering Consumables (Wire, Flux etc)

