Gameboy Advance SP Overclocker Flex

***US customers – All import duties are included in the cost, there will be no additional fees to pay on delivery***

robot_retro GBA SP Overclocker Flex Mod

Easily overclock or underclock your Game Boy Advance SP to speed up or slow down gameplay—with a simple, streamlined installation.

Key Features

• Supports adjustable clock speeds at 30%, 50%, 75%, 130%, 150%, and 170% of the base clock.
• Increase speed: Press Select and R shoulder button together
• Decrease speed: Press Select and L shoulder button together
• Optional LED indicator:
  • Power LED blinks faster when overclocked
  • Power LED blinks slower when underclocked
  • Solid green LED at base (stock) speed
• Top speed limits configurable to 170%, 150%, or 130% depending on your screen setup:
  • Default max speed: 170% (Funnyplaying v2 and Hispeedido v5)
  • Bridge solder jumper S1 to limit max speed to 150% (for stock LCD)
  • Bridge solder jumper S2 to limit max speed to 130% (for Funnyplaying IPS 3.0 inch and HISPEEDIDO "One Chip" v2)

Other Benefits

Ultra-low power consumption: <15mA (measured with Nordic Power Profiler Kit II)

Extremely accurate base clock: 4.194 MHz ±0.01%, matching the original GBA SP crystal at stock speeds

Installation Instructions

Multicoloured wire is included to aid with the install.

1. Remove the original GBA SP crystal.  (Recommended: Use a hot air station for clean removal)
2. Install the flex mod as per the photos.
3. Solder the 3 points highlighted in pink circles.
4. Run wires to the 3 test points shown as the red, pink and blue wires. 
5. Use flux for best soldering results.
6. (Optional) To enable the LED speed indicator, solder the green wire as shown.
   

Speed Limiting Jumpers

• Bridge solder jumper S1 to cap speed at 150%
• Bridge solder jumper S2 to cap speed at 130%

Developed in collaboration with RJS FPGA.