GMKtec K12 Mini PC User Manual

1. Úvod

Přátelské připomenutí

Thank you for choosing GMKtec. Please read this user manual carefully and save it for future reference. The information contained in this document is subject to change without further notice. Nothing in this document should be construed as creating any additional warranty. GMKtec shall not be liable for technical or editorial errors or omissions that may appear in this document.

O zařízení

Před použitím se prosím seznamte s rozhraním a tlačítky zařízení.

Figure 1: Front and Rear Ports Overview

Přední porty: Power button, Reset button, 2x USB 3.2 (Gen2), 1x USB 2.0, 1x Type-C (PD/DP/Data), 1x 3.5mm Combo Audio Jack.

Zadní porty: 1x DC IN (19V-6.32A), 1x HDMI 2.1 (8K@120HZ), 1x DP1.4 (8K@120HZ), 1x USB 4.0, 1x OCulink (PCIe Gen4x4), 2x USB 3.2 (Gen2), 2x 2.5G LAN (RJ45), 1x Computer Lock slot, 1x 3.5mm Combo Audio Jack.

REŽIM VENTILÁTORU: Adjustable system fan color light effect. Short press this key to switch between 13 modes. Long press to turn off the light, short press again to turn on the light.

Poznámka: Pokud používáte bezdrátovou myš nebo klávesnici, je pro počáteční nastavení účtu Microsoft vyžadován bezdrátový adaptér (obvykle dodávaný se sadou myši a klávesnice). Po dokončení nastavení můžete povolit Bluetooth a Wi-Fi pro připojení dalších bezdrátových zařízení.

If there are any problems during the use, please contact us via the email address in the user manual, we are always here to support you.

2. Obsah balení

Zaškrtněte prosím políčko u následujících položek:

Obrázek 2: Obsah balení

• 1x Nucbox K12 Mini PC
• 1x Power Adapter (DC IN: 19V-6.32A 120W)
• 1x napájecí kabel
• 1x VESA Mount with Screws
• 1x HDMI kabel
• 1x User Manual / Warranty Card

3. Pokyny k nastavení

Kroky připojení

1. Please use the power adapter that comes with this product.
2. Connect the monitor with the HDMI cable, please make sure that the HDMI cable is qualified.
3. Připojte klávesnici a myš.
4. During the first system startup, please follow the Windows startup guide. During this process, remember not to disconnect the power supply. It will take about ten minutes for the first startup to enter the user desktop, please wait patiently.
5. Before the system startup process, please turn off WiFi and LAN and select the "skip option" to prevent being unable to skip registration and log in to your personal account after connecting to the internet.

Important Notice for Buyers (RAM/SSD/OS Options)

Figure 3: RAM, SSD, and OS Configuration Options

• Option: NO RAM NO SSD NO OS
  • This version does ne include memory modules or a hard drive.
  • You will need to purchase and install your own RAM and SSD.
  • You must install and activate the operating system by yourself. (Activation code is not provided).
• Options with RAM & SSD
  • These versions come with pre-installed Windows 11 Pro.
  • The system is already activated and ready to use out of the box.

4. Operating Modes and Basic Settings

How to Enter the BIOS Settings Page

1. In the shutdown state, press the power button. The button light will turn on.
2. Continuously click the ESC key on the keyboard until the system BIOS interface (Aptio Setup AMI interface) appears on the screen.

How to Modify Boot Options

1. Insert the storage device that needs to be started (e.g., a USB flash drive or solid-state drive) into the host.
2. Temporary modification: In the shutdown state, press the power button. The button light will turn on. Then, continuously click the F7 key on the keyboard until the device startup option selection interface appears on the screen. Select the desired storage device to start, and then press the Enter key on the keyboard to confirm.
3. Permanent modification: Enter the BIOS settings page. Use the keyboard arrow keys (left/right) to switch to the BOOT interface. Then, use the keyboard arrow keys (up/down) to select the first boot option (Boot Option #1). Press Enter to enter the device selection interface. Select the desired storage device to start, press F10 to save the modifications, and then press Enter on the keyboard to confirm.

How to Modify the CPU Power Consumption Mode

1. Enter the BIOS settings page. Select the Main page on the main interface. Use the keyboard arrow keys (up/down) to select "PowerLimit Setting", and press Enter to enter the desired power consumption mode.
2. Na výběr jsou tři režimy:
• Tichý mód: Počítač dosahuje optimálního výkonu systému při normálních úrovních hluku.
• Balance mode (default setting): The computer operates at its best with balanced noise and better performance.
• Výkonový režim: All fans in the computer will run at full speed, with a certain amount of fan noise, providing a better and higher performance work and entertainment experience.

Figure 4: Performance Modes and Specifications

How to Modify the Power On Mode

1. Enter the BIOS settings page. Select the Advanced page on the main interface. Use the keyboard arrow keys (up/down) to select "Auto Power On". Press Enter to enter the option to turn on or off. Press F10 to save the changes, and then press Enter to confirm.

5. Technické specifikace

6. Installation and Upgrades

Easy Installation (RAM and SSD)

The GMKtec K12 Mini PC features a disassembled design, making RAM and SSD upgrades easy and convenient.

Figure 5: Internal Layout for RAM and SSD Installation

• SSD M.2 2280: Triple Storage Slots. Max capacity: 8TB per slot, 24TB total. Supports 1*M.2 2280 PCIe Gen4.0x4 and 2*M.2 2280 PCIe Gen4.0x2.
• DDR5 5600MHz: Dual-channel SO-DIMM x2. Max capacity: 64GB per slot, 128GB total.

7. Connectivity and Interfaces

Rich Interfaces and Excellent Connectivity

The GMKtec K12 is suitable for business, office, gaming, and home use, offering a wide array of ports for versatile connectivity.

Obrázek 6: Podrobné rozložení portů

Bezdrátové připojení

Equipped with next-generation wireless technology for high speed and stability.

Figure 7: Wi-Fi 6E and Bluetooth 5.2 Performance

• Wi-Fi 6E: Offers significantly faster wireless speeds compared to previous generations.
• Bluetooth 5.2: Provides enhanced connectivity for peripherals and accessories.

Dual 2.5G Ethernet

For ultra-fast, reliable wired network connections.

Figure 8: Dual 2.5G Ethernet Ports

Port OCulink

The OCulink port realizes the innovation of graphics card connection. Note: This interface does not support hot plugging. Please make sure to connect or unplug when the computer is powered off.

Figure 9: OCulink Port for External Graphics Card

8. Cooling System and Performance

Dual Upgraded Cooling Fans

The cooling system's volume is only 1/50 of that of Tower PCs, and the cooling performance is improved by 200%. Equipped with upper and lower dual cooling fans with a copper base, it ensures continuous and stable operation for 72 hours under a 70W TDP environment.

Obrázek 10: Pokročilý chladicí systém

• Smart system fans
• Surround convection airflow design
• Colorful RGB lighting
• SSD/DDR runs more efficiently

AMD Ryzen™ 7 H 255 Processor

Equipped with the AMD Ryzen™ 7 H 255 processor featuring 8 cores and 16 threads based on the Zen 4 architecture. Base clock: 3.8GHz, Boost up to 4.9GHz, with a peak TDP of 70W.

Figure 11: AMD Ryzen 7 H 255 Processor Details

AMD Radeon™ 780M Graphics Card

AMD Radeon 780M is a powerful integrated graphics card with performance comparable to that of an independent GPU.

Figure 12: AMD Radeon 780M Performance

9. Multi-Display Output

The GMKtec K12 supports up to 4 screens simultaneously with 8K resolution, achieving a stunning visual experience.

Figure 13: Quad Display Setup

Available ports for multi-display:

• 1x USB4.0
• 1x TYPE-C (with DP Alt Mode)
• 1x DP1.4
• 1x HDMI 2.1

10. Uživatelské tipy

• RAM Configuration: Při nákupuasing a 16GB RAM version, it is generally configured as 2x 8GB modules for dual-channel performance. For optimal performance, ensure RAM is installed in dual-channel mode if upgrading.
• Barebones vs. Pre-configured: If you opt for the 'NO RAM NO SSD NO OS' version, remember to factor in the cost and effort of purchasing and installing these components yourself. Windows activation codes are not provided with barebones units.
• Počáteční nastavení: To streamline the initial Windows setup, consider disconnecting from the internet (both Wi-Fi and LAN) and selecting the 'skip option' for registration. This can prevent potential delays or issues with personal account login during the first boot.
• Chlazení: The advanced cooling system is designed for sustained performance. Ensure adequate airflow around the device, especially when operating in Performance mode, to maintain optimal temperatures.

11. Bezpečnostní varování a opatření

Použijte prostředí

• Nepoužívejte zařízení v prašných a vlhkých místech, aby nedošlo k selhání vnitřních obvodů.
• Neumisťujte toto zařízení do blízkosti topných předmětů, jako jsou elektrická topidla.
• The working temperature of this equipment is 0-40 degrees Celsius, and the normal working humidity is 10-90% RH.

Moc

• Použijte prosím speciální nabíječku, která je standardně dodávána s tímto produktem.

Vodotěsný

• Toto zařízení není vodotěsné, udržujte jej prosím v suchu.

Údržba

• For all maintenance services, please contact the dealer's maintenance personnel.
• Nevkládejte do zařízení žádné ostré předměty.
• Zařízení neupusťte ani do něj nenarážejte, aby nedošlo k poškození zařízení.

12. Řešení problémů

If you encounter issues with your GMKtec K12 Mini PC, please refer to the following general troubleshooting steps:

• Bez napájení: Ensure the power adapter is securely connected to both the Mini PC and a working power outlet. Verify the power button is pressed correctly.
• Bez displeje: Check that the HDMI/DP cable is firmly connected to both the Mini PC and the monitor. Try a different cable or monitor if possible. Ensure the monitor is set to the correct input source.
• Systém se nespustí: If the system does not boot, try accessing the BIOS settings (as described in Section 4) to check boot order or hardware detection. If you installed RAM/SSD yourself, ensure they are correctly seated.
• Problémy s periferními zařízeními: If a mouse, keyboard, or other USB device is not working, try connecting it to a different USB port. For wireless devices, ensure drivers are installed and Bluetooth/Wi-Fi is enabled.
• Problémy s připojením k síti: For wired connections, check the Ethernet cables and router. For Wi-Fi, ensure the Wi-Fi adapter is enabled and connected to the correct network.
• Přehřívání: Ensure the Mini PC has adequate ventilation and is not placed in an enclosed space. Check that the fan vents are not obstructed.

For persistent issues, please contact GMKtec customer support.

13. Záruka a podpora

Záruční závazek

You are entitled to a 12-month warranty for product quality problems caused by non-human factors. Accessories come with a 6-month warranty.

Po servisu

• E-mailová podpora: podpora@gmktec.com
• Dotazy na prodej: gmk@gmktec.com
• Společnost: Shenzhen GMK Technology Co., Ltd.
• Adresa: 4/F, #9 Bldg, Yifenghua Industrial Park, Huaning Rd, Longhua Dist, 518109, Shenzhen, Čína

Informace o shodě

Prohlášení o shodě FCC

This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: - Reorient or relocate the receiving antenna. - Increase the separation between the equipment and receiver. - Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. - Consult the dealer or an experienced radio/TV technician for help.

Prohlášení o shodě EU

We, Shenzhen GMK Technology Co. Ltd, Address: 4/F, #9 Bldg, Hualian Industrial Park, XinShi Community, Dalang Street, Longhua District, 518109, Shenzhen, China, declare under our sole responsibility that the product: Model Number: K12 Complies with the following EU Directives:

• Směrnice o elektromagnetické kompatibilitě (2014/30/EU)
• Nízký objemtage Směrnice (LVD) 2014/35/EU
• Směrnice o omezení nebezpečných látek (RoHS) (2011/65/EU), (2015/863/EU)
• Směrnice o rádiových zařízeních (RED) (2014/53/EU)

Použité harmonizované normy:

1. Nízký objemtage Směrnice (LVD) 2014/35/EU
   • EN IEC 62368-1:2020+A11:2020 (Bezpečnost IT/AV zařízení)
   • EN IEC 62311:2020 (Limity expozice elektromagnetickým polím)
2. Směrnice o elektromagnetické kompatibilitě (EMC) 2014/30/EU
   • EN 55032:2015/A11:2020 (emise)
   • EN 55035:2017/A11:2020 (imunita)
   • EN IEC 61000-3-2:2019/A1:2021 (harmonika)
   • EN 61000-3-3:2013/A2:2021 (Voltagfluktuace)
3. Směrnice o rádiových zařízeních (RED) 2014/53/EU
   • EN 300 328 V2.2.2 (2019–07) (pásmo 2.4 GHz, např. Wi-Fi/Bluetooth)
   • EN 301 893 V2.1.1 (2017-05) (pásmo 5 GHz, např. Wi-Fi 5/6)
   • EN 301 489-1 V2.2.3 (2019-11) (Obecná elektromagnetická kompatibilita pro rádiová zařízení)
   • EN 301 489-17 V3.3.1 (2024-09) (EMC specifická pro 2.4/5 GHz)
4. Směrnice o omezení nebezpečných látek (RoHS) 2011/65/EU
   • Řada IEC 62321 (Zkoušení látek podléhajících omezením):
   • IEC 62321-3-1:2013 (Skríning olova, rtuti a kadmia)
   • IEC 62321-5:2013 (Cr a PBB/PBDE)
   • IEC 62321-4:2013+AMD1:2017 CSV (Hg v polymerech/elektronice)
   • IEC 62321-6:2015 (Ftaláty v plastech)
   • IEC 62321-7-1:2015 (Šestiměsíční chrom)
   • IEC 62321-7-2:2017 (Br/Cl v polymerech)
   • IEC 62321-8:2017 (Ftaláty v nátěrech)

This product is marked with the CE symbol to confirm compliance with EU regulations. The aforementioned product meets all essential requirements of the applicable EU directives. The full technical documentation, including test reports and risk assessments, is retained and available for inspection by relevant authorities for 10 years after market placement.

Signed for and on behalf of: Shenzhen GMK Technology Co., Ltd. Compliance Officer 2024-04-17 Shenzhen, China