BOYI GMK108 Barebones Mechanical Keyboard Kit User Manual

1. Introduction

This manual provides instructions for the setup, operation, and maintenance of your BOYI GMK108 Barebones Mechanical Keyboard Kit. The GMK108 is a full-size, 108-key barebones kit designed for customization, featuring tri-mode connectivity (Bluetooth 5.0, 2.4GHz wireless, and wired Type-C), VIA programmability, gasket-mounted structure, hot-swappable switch sockets, and south-facing RGB backlighting.

Image 1.1: Overview of the GMK108 Barebones Mechanical Keyboard Kit highlighting its features.

2. What's in the Box

Verify that all components are present in the package:

• GMK108 Barebones Mechanical Keyboard Kit (White)
• USB-C Cable
• 2.4GHz USB Receiver
• Switch Puller / Keycap Puller
• 10 x Keycaps (additional)

Image 2.1: The GMK108 Barebones Keyboard Kit with its included components.

Unboxing Video

Video 2.1: An unboxing demonstration of the GMK108 VIA Programmable Barebones Kit in White.

3. Key Features

• DIY Customization: Build a personalized mechanical keyboard by choosing your preferred switches and keycaps.
• Triple Connectivity: Supports wireless Bluetooth 5.0, 2.4GHz wireless, and wired Type-C connections.
• Long-Lasting Battery: Equipped with a 4000mAh battery for extended wireless use.
• VIA Programmable: Fully programmable keys for custom macros, key remapping, and lighting effects.
• Gasket Mounted Structure: Provides a cushioned and silent typing experience.
• Hot-Swappable Sockets: Compatible with 3-pin and 5-pin mechanical switches, allowing for easy switch replacement without soldering.
• South-Facing RGB Backlight: Customizable RGB backlighting for aesthetic appeal.
• Full Size Layout: 108 keys with N-Key Rollover (NKRO) for reliable performance without key conflicts.

Image 3.1: Detailed view of the keyboard's gasket structure components.

Image 3.2: The south-facing RGB backlighting feature.

Image 3.3: The keyboard's integrated 4000mAh high-capacity lithium battery.

4. Setup Instructions

4.1. Switch and Keycap Installation

The GMK108 kit features hot-swappable sockets, allowing for easy installation and removal of 3-pin or 5-pin mechanical switches without soldering. Use the included switch puller to remove or insert switches. After installing switches, place your desired keycaps onto the switches.

Image 4.1: The GMK108 barebones kit ready for switch and keycap installation.

4.2. Connectivity Options

The keyboard supports three connection modes: wired (USB-C), 2.4GHz wireless, and Bluetooth 5.0. Use the switches located on the back of the keyboard to select your preferred mode.

Image 4.2: Connectivity and OS selection switches on the keyboard.

• Wired Mode: Connect the keyboard to your device using the provided USB-C cable. The keyboard will automatically switch to wired mode and begin charging.
• 2.4GHz Wireless Mode: Insert the 2.4GHz USB receiver into an available USB port on your computer. Slide the switch on the keyboard to '2.4G'. The keyboard should connect automatically.
• Bluetooth 5.0 Mode: Slide the switch on the keyboard to 'BT'. On your device, search for Bluetooth devices and select 'GMK108' to pair. The keyboard supports connecting to up to three Bluetooth devices. Switch between paired devices using FN+Q, FN+W, or FN+E.

Image 4.3: Visual representation of the three connectivity modes.

4.3. System Compatibility

The keyboard is compatible with both Windows and macOS operating systems. Use the 'MAC/WIN' switch on the back of the keyboard to select the appropriate operating system layout.

4.4. Charging

Connect the USB-C cable to the keyboard and a power source (e.g., computer USB port, USB wall adapter) to charge the internal 4000mAh battery. The keyboard can be used while charging.

Build and Customization Video

Video 4.1: A guide on building and customizing your GMK108 DIY Keyboard Kit.

5. Operating Instructions

5.1. Basic Keyboard Functions

The GMK108 functions as a standard 108-key keyboard. All keys are fully functional upon connection. The N-Key Rollover (NKRO) feature ensures that all key presses are registered accurately, even during rapid typing or complex key combinations.

5.2. RGB Backlight Control

The keyboard features customizable RGB backlighting. Use the FN+| key combination to cycle through various lighting effects and adjust brightness or speed.

5.3. VIA Programming

The GMK108 is VIA programmable, allowing for advanced customization of key functions, macros, and lighting. Download the VIA software from the official website (refer to the product page or manufacturer's website for the correct link). Once installed, connect your keyboard via USB-C to access the programming interface.

Image 5.1: The VIA software interface for customizing key functions and lighting.

Keyboard Usage Demonstration Video

Video 5.1: A demonstration of the GMK108 custom keyboard in use.

6. Maintenance

6.1. Cleaning

To clean the keyboard, first disconnect it from all power sources. Use a soft, dry cloth to wipe the surface. For deeper cleaning, remove keycaps and switches using the provided tools. Use compressed air to remove dust and debris from between the switches. Clean keycaps with mild soap and water, ensuring they are completely dry before reattaching.

6.2. Switch and Keycap Replacement

The hot-swappable design allows for easy replacement of switches and keycaps. Use the switch puller to carefully remove switches by gripping them firmly and pulling straight up. To install new switches, align the pins with the sockets and press down gently until they click into place. Ensure pins are not bent. Keycaps can be removed with a keycap puller or by hand, and new ones pressed onto the switch stems.

Image 6.1: A switch puller, essential for hot-swappable switch maintenance.

7. Troubleshooting

• Keyboard not responding: Ensure the keyboard is properly connected (wired, 2.4GHz receiver, or Bluetooth paired). Check the mode switch on the back of the keyboard. If using wireless, ensure the battery is charged.
• Keys not registering: For hot-swappable keyboards, ensure switches are fully seated in their sockets. Remove and re-insert any problematic switches.
• RGB lighting not working: Check the FN+| key combination to ensure lighting is enabled and adjusted. If using VIA, verify lighting settings in the software.
• Bluetooth connectivity issues: Ensure the keyboard is in Bluetooth mode and your device's Bluetooth is enabled. Try unpairing and re-pairing the keyboard. Ensure no other devices are interfering.
• 2.4GHz wireless issues: Ensure the 2.4GHz receiver is securely plugged into a USB port and the keyboard is in 2.4G mode. Try a different USB port.
• Battery not charging: Ensure the USB-C cable is securely connected to both the keyboard and a working power source. Try a different USB-C cable or power adapter.

8. Specifications

Image 8.1: Physical dimensions and weight of the GMK108 keyboard kit.

9. Warranty and Support

9.1. Warranty Information

The BOYI GMK108 Barebones Mechanical Keyboard Kit comes with a 1-Year Warranty from the date of purchase. This warranty covers manufacturing defects and malfunctions under normal use. Please retain your proof of purchase for warranty claims.

9.2. Customer Support

For technical assistance, troubleshooting, or warranty inquiries, please contact BOYI customer support:

• Email: boyiservice2020@163.com
• Amazon Store: Visit the BOYI Store on Amazon and click "Ask a question" to contact us directly.