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Recent Updates

Star Fox Super FX 21 MHz Mode

Hack of Star Fox


This patch changes Star Fox from using the Super FX chip in 10 MHz mode to 21 MHz mode. On hardware the patch is compatible with the GSU-1, GSU-2 and GSU2-SP1 revisions of the Super FX chip. All testers have reported a noticeable difference in speed.

This could not be possible without the help of Vitor Vilela!

ROM / ISO Information:

  • Database match: Star Fox (USA) (Rev 2)
  • Database: No-Intro: Super Nintendo Entertainment System (v. 20210222-050638)
  • File SHA-1: 2E77E250501D9B232630AEECC1E5505CF2327484
  • File CRC32: C056B80C
  • ROM SHA-1: CF08148CD8F26D51F8C67C956179DFC594E7A4F1
  • ROM CRC32: 8FC4E6D0




ContributorType of contributionListed credit
Vitor VilelaHacking
djeddittHackingMade patch GSU-1 compatible

User Review Information

Faster and more fun gameplay!!

Reviewed By: RHZ on 08 Dec 2021

Awesome Hack!! Highly Recommended!! Going from Super FX chip 10,74 MHz to 21,477 MHz makes the gameplay faster and more fun to play. It’s great that the music plays at the original speed.

It’d be great having Stunt Race FX and Vortex using something like this to improve its speed. Thanks!!

Version 1.3 Recommended - Yes

User Reviews
Definitely noticeable !CoolK24 Dec 20211.4Yes
In a word, disappointingBlazing23 Dec 20211.4No
Faster and more fun gameplay!!RHZ08 Dec 20211.3Yes
Smooth as silk......90% of the timeSupergamerguy20 Nov 20211.1Yes
Misnomerzoinknoise18 Nov 20211.1Yes
Improve an already good gameYoshiWhite6216 Nov 20211.1Yes
Wow! Star Fox the way I thought I remembered it…AC3916 Nov 20211.1Yes
The Little Starfox hack That Couldkaine2316 Nov 20211.1Yes