1. Introduction
This manual provides essential information for setting up, operating, and maintaining your MINISFORUM DeskMini UM870 Slim Mini PC. Please read this guide thoroughly before using the product to ensure proper functionality and longevity.
Figure 1: Front view of the MINISFORUM DeskMini UM870 Slim Mini PC.
2. Package Contents
Verify that all items are present in your product package:
- 1x MINISFORUM UM870 Slim Mini PC
- 1x HDMI cable
- 1x US Power Adapter
- 1x User Manual
Figure 2: Illustration of typical package contents. Note: This image depicts contents for a similar model (UM680 Slim), but the included items are generally consistent.
3. Key Features
- Processor: Equipped with the AMD Ryzen 7 8745H processor (8 Cores/16 Threads, up to 4.9GHz), designed for efficient handling of demanding computing tasks and multitasking.
- Graphics: Features AMD Radeon 780M Graphics, built on the RDNA 3 architecture, providing high-performance for gaming and content creation.
- Display Output: Supports triple display output with 8K@60Hz via HDMI 2.1 and USB4 Port, and 4K@60Hz via DisplayPort, enabling expanded workspaces.
- Network Connectivity: Includes a 2.5G RJ45 Ethernet port, WiFi 6E, and Bluetooth 5.2 for stable and high-speed network transmission.
- Expandable Storage: Offers 2x DDR5 SODIMM slots (upgradable to 48GB each) and 2x PCIe4.0 SSD slots (up to 2TB each), allowing for significant storage expansion.
- Versatile Connectivity: Provides 1x HDMI2.1, 1x USB4, 1x DP1.4, 2x USB3.2, 2x USB2.0, 1x 2.5G LAN, and 1x 3.5mm audio jack for various peripherals.
Figure 3: The Mini PC supporting a triple-monitor setup for enhanced productivity.
4. Setup Guide
4.1 Unpacking and Placement
- Carefully remove the Mini PC and all accessories from the packaging.
- Place the Mini PC on a stable, flat surface with adequate ventilation. Ensure no vents are obstructed.
4.2 Connecting Peripherals
Refer to the port diagram below for connecting your devices.
Figure 4: Front and rear port layout of the Mini PC.
- Display: Connect your monitor(s) to the HDMI, DisplayPort (DP), or USB4 ports using appropriate cables.
- Keyboard & Mouse: Connect your USB keyboard and mouse to any available USB ports (USB 3.2 Type-A or USB 2.0).
- Network: For a wired connection, connect an Ethernet cable to the 2.5G LAN port. For wireless, ensure the Wi-Fi antenna (if external) is connected or that the internal Wi-Fi is enabled.
- Audio: Connect speakers or headphones to the 3.5mm audio jack if needed.
- Power: Connect the power adapter to the DC 19V input port on the Mini PC, then plug the adapter into a power outlet.
5. Operating Instructions
5.1 Powering On/Off
- Power On: Press the power button located on the front of the Mini PC. The power indicator light will illuminate.
- Power Off: To shut down the system, use the operating system's shutdown function. Alternatively, press and hold the power button for 4-5 seconds for a forced shutdown (use only when necessary).
5.2 Initial Setup (Operating System)
If your Mini PC comes without a pre-installed operating system, you will need to install one. Follow the instructions provided by your chosen operating system (e.g., Windows, Linux) for installation. Ensure all necessary drivers are installed for optimal performance.
6. Maintenance
- Cleaning: Regularly clean the exterior of the Mini PC with a soft, dry cloth. Use compressed air to clear dust from ventilation grilles. Do not use liquid cleaners directly on the device.
- Software Updates: Keep your operating system and drivers updated to ensure system stability and security. Visit the MINISFORUM official website for the latest driver downloads for your model.
- Storage Management: Periodically check your storage usage and delete unnecessary files to maintain system performance.
7. Troubleshooting
- No Display:
- Ensure the monitor is powered on and the correct input source is selected.
- Check that display cables (HDMI, DP, USB4) are securely connected to both the Mini PC and the monitor.
- Try a different display cable or port.
- No Power:
- Verify the power adapter is correctly connected to the Mini PC and a working power outlet.
- Check if the power adapter's indicator light (if any) is on.
- Network Connectivity Issues:
- For wired connections, ensure the Ethernet cable is properly connected and the router is functioning.
- For Wi-Fi, check if Wi-Fi is enabled in the operating system and if you are connected to the correct network.
- Restart your router/modem and the Mini PC.
- System Slowdown:
- Close unnecessary applications running in the background.
- Check for sufficient free storage space.
- Ensure the Mini PC has adequate ventilation to prevent overheating.
8. Specifications
| Feature | Detail |
|---|---|
| Brand | MINISFORUM |
| Model Number | DeskMini |
| Processor | AMD Ryzen 7 8745H (3.8 GHz) |
| RAM | 16 GB DDR5 (5600 MHz) |
| Hard Drive | 1 TB SSD (PCIe 4.0 x 4) |
| Graphics Coprocessor | AMD Radeon 780M (Graphics Frequency 2700MHz) |
| Max Screen Resolution | 3840x2160 Pixels (8K via HDMI/USB4) |
| Wireless Type | 802.11ax (WiFi 6E) |
| USB 2.0 Ports | 2 |
| USB 3.0 Ports | 2 |
| Operating System | OS (Not specified, typically Windows or Linux compatible) |
| Item Weight | 3.41 pounds |
| Color | Silver |
| Date First Available | October 28, 2024 |
| Customer Reviews | 4.4 out of 5 stars (112 ratings) |
9. Warranty and Support
MINISFORUM products typically come with a manufacturer's warranty. For specific warranty terms, conditions, and duration, please refer to the warranty card included with your product or visit the official MINISFORUM website. For technical support, driver downloads, and frequently asked questions, please visit the MINISFORUM support page or contact their customer service directly.
Online Resources:
- MINISFORUM Official Website: www.minisforum.com
- Support Page: Refer to the official website for the dedicated support section.
