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→SFX chip
===SFX chip===
The first version of the chip, commonly referred to as simply "Super FX", is clocked with a 21 MHz signal, but an internal clock speed divider halves it to 10.5 MHz. Later on, the design was revised to become the Super FX GSU-2; this, unlike the first Super FX chip revision, is able to reach 21 MHz.
The SFX chip however can be overclocked with fewer issues on real hardware or emulation. It does however increase the speed of the game as well.
