GBA/GBC ClockxControl

$19.00 – $24.00

With this tiny device (18mmx12mm) you can adjust your GameBoy Advance’s or GameBoy Colour’s clock to make it slower or faster by holding down select and pressing the L & R shoulder buttons for the GBA or B & A for the GBC (you can change which keys you use). Hold select down for 2 seconds to revert back to normal speed. We have a some different firmware available for different speeds or select custom firmware and let us know the 8 options you would like (for a higher price).

Using a faster clock may not work with all games or flash carts, check the list below. Most genuine game cartridges should work. More games seem to work on the GBC at 1.5x max on a flash cart. Want us to test a game? Jump on our Discord and let us know.

Works with the FP IPS screen. If you have an AGB-001 screen, when slowing down you will likely see some screen jitter. Installation requires a hot air gun to remove the existing crystal and requires soldering. Consumes about 12mA of additional current and when the GBA is overclocked, it too will use 40-60mA more.

Questions? Jump on our Discord server where we and other users can help you or contact us via Twitter.

Each unit is assembled and tested in house. You will receive the product as pictured.

Clear
SKU: N/A Category:

Description

GBC Firmware available:
Standard – 0.85x, 1x, 1.25x, 1.5x
Pro (Safe) – 0.333x, 0.5x, 0.666x, 1x, 1.25x, 1.5x
Pro – 0.333x, 0.5x, 0.666x, 1x, 1.25x, 1.5x, 2x (GBC only works with 2x max with genuine games)

GBA Firmware available:
Standard – 0.85x, 1x, 1.5x and 1.75x
Pro – 0.333x, 0.5x, 0.666x, 1x, 1.5x, 2x, 3x

Custom – You email us up to 8 multiplier settings you would like in the format above or the clock speed in MHz.

Tested on the GBA

GB/GBC games tested with faster clock on our 64MB flash cart:

  • Ballon Kid
  • Donkey Kong Country (not working)
  • Donkey Kong Land 2
  • Donkey Kong Land 3
  • F-1 World Grand Prix II (not working)
  • Grand Theft Auto (not working)
  • Kirby’s Dream Land 2
  • Legend of Zelda, The – Link’s Awakening
  • Legend of Zelda, The – Link’s Awakening DX (not working)
  • Legend of Zelda, The – Oracle of Ages(not working)
  • LSDJ 6.8.2 (not working)
  • Mario Tennis (not working)
  • Metal Gear Solid (not working)
  • Mickey’s Racing Adventure (not working)
  • Perfect Dark (not working)
  • Pokemon – Crystal
  • Pokemon Pinball
  • Pokemon – Prism (not working)
  • Rayman (not working)
  • Rayman 2 – The Great Escape (not working)
  • Shantae (not working)
  • Star Wars Episode I – Racer (not working)
  • Super Mario Land
  • Super Mario Land 2 – 6 Golden Coins
  • Super Mario Land 2 DX – 6 Golden Coins (not working)
  • Tony Hawk’s Pro Skater 2 (not working)
  • Wario Land – Super Mario Land 3
  • Wario Land II
  • Wario Land 3 (not working)

GB/GBC games tested with faster clock on our 2MB flash cart:
It appears more games might work with this cart.

  • Wario Land 3

Tested on the GBC

GB/GBC games tested with faster clock on our 64MB flash cart:

  • Ballon Kid
  • Donkey Kong Country
  • Donkey Kong Land 2
  • Donkey Kong Land 3
  • F-1 World Grand Prix II
  • Grand Theft Auto (1.5x max)
  • Kirby’s Dream Land 2
  • Legend of Zelda, The – Link’s Awakening
  • Legend of Zelda, The – Link’s Awakening DX (1.5x max)
  • Legend of Zelda, The – Oracle of Ages(not working)
  • LSDJ 6.8.2 (1.5x max)
  • Mario Tennis (1.5x max)
  • Metal Gear Solid (1.5x max)
  • Mickey’s Racing Adventure (1.5x max)
  • Perfect Dark (1.5x max)
  • Pokemon – Crystal
  • Pokemon Pinball
  • Pokemon – Prism (1.5x max)
  • Rayman (1.5x max)
  • Rayman 2 – The Great Escape (not working)
  • Shantae (1.5x max)
  • Star Wars Episode I – Racer (1.5x max)
  • Super Mario Land
  • Super Mario Land 2 – 6 Golden Coins
  • Super Mario Land 2 DX – 6 Golden Coins (1.5x max)
  • Tony Hawk’s Pro Skater 2 (1.5x max)
  • Wario Land – Super Mario Land 3
  • Wario Land II
  • Wario Land 3 (1.5x max)

Additional information

Weight 5 g
Dimensions 1.8 × 1.2 × .08 cm
System

GBA, GBC
Firmware

Regular, Pro, Pro (safe), Custom (provide multiply settings by email)

Installation (GBA)

1. Using a hot air gun to de-solder the existing crystal. Be careful not to remove any of the near by components.

2. Place the device as shown with some double sided tape or a little bit of blu-tack to insulate it from the GBA board and use the wiring below.

Device V+ to GBA SI
Device V- to GBA GND
Device CLK to GBA CK1
Device 1 to GBA TP2 (Select) or TP3 (Start)
Device 2 to GBA TP9 (L trigger)
Device 3 to GBA TP8 (R trigger)

Installation (GBC)

1. Using a hot air gun to de-solder the existing crystal. Be careful not to remove any of the near by components.

2. Solder a wire to the P12 (Select), P11 (B) and P10 (A) pads. Route the wires upwards. You can use thin tape so they stay in place and don’t cover any screw holes.

3. Install the Gameboy colour PCB back into the shell. Solder a red and blue wire to the capacitor shown and another wire to the crystal pad. You can route the 3 button wires under the LCD ribbon cable for a neater solution (but be careful!).

4. Place the device as shown with some double sided tape or a little bit of blu-tack to insulate it from the GBA board. Trim the wires and solder them into place. You can install some kapton tape on the top to help hold it in place.

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