37 lines
1.9 KiB
Markdown
37 lines
1.9 KiB
Markdown
# GMMK PRO (ISO)
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A tenkeyless 75% keyboard made and sold by Glorious LLC. Equipped with the STM32 ARM Cortex-M4 microcontroller, with support for rotary encoders and three additional layouts. [More info at Glorious](https://www.pcgamingrace.com/products/glorious-gmmk-pro-75-barebone-black-reservation)
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* Keyboard Maintainer: [GloriousThrall](https://github.com/GloriousThrall)
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* Hardware Supported: GMMK Pro
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* Hardware Availability: [GloriousPCGaming.com](https://www.pcgamingrace.com/products/glorious-gmmk-pro-75-barebone-black-reservation)
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Make example for this keyboard (after setting up your build environment):
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make gmmk/pro/iso:default
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Flashing example for this keyboard:
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make gmmk/pro/iso:default:flash
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To reset the board into bootloader mode, do one of the following:
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* Hold the Reset switch mounted on the bottom side of the PCB while connecting the USB cable
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* Hold the Escape key while connecting the USB cable (also erases persistent settings)
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* Fn+Backspace will reset the board to bootloader mode if you have flashed the default QMK keymap
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See the [build environment setup](https://docs.qmk.fm/#/getting_started_build_tools) and the [make instructions](https://docs.qmk.fm/#/getting_started_make_guide) for more information. Brand new to QMK? Start with our [Complete Newbs Guide](https://docs.qmk.fm/#/newbs).
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## Case Screw Replacements
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Many users report stripped case screws when disassembling the board.
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The stock case screws are:
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* Thread: M2
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* Thread length: ~5 mm
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* Head diameter: ~3.8 mm
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* Head counterbore diameter: ~4.0 mm
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* Head counterbore depth: ~1.9 mm
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Most M2x5mm screws should fit fine, although it's best to ensure that the screw head will fit inside the counterbore.
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For reference, [this hex socket head screw](https://www.mcmaster.com/91292A005/) from McMaster-Carr should fit nearly flush (head will protrude above the counterbore by ~0.1 mm).
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