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There’s no shortage of cloned Nintendo hardware out there, and most of it is pretty poor. A few are actually pretty interesting though, such as the GB Boy by Gangfeng, which takes real cartridges and thus in many ways should provide the original Game Boy Pocket experience with modern hardware. But as you might imagine, even the best of the clones comes with various technical issues at no additional charge — with this particular unit having a habit of running the game too fast. It’s an issue that [Sharopolis] addresses in a recent video with a partial fix.
As can be seen in the demonstration, it runs games just too fast to make it very usable or fun, hence why it sat in a drawer for a few years after purchasing off AliExpress. This raises the question of what’s wrong with these units, as others report similar issues with this and other ‘GB Boy’ variants.
Fortunately the unit is easy to open, revealing the PCB with a couple of chips on it, one marked KF2001 being the brains of the operation alongside two memory chips. The oscillator marked X1 for the main IC is rated for 5 MHz, whereas a quick look inside the Game Boy Pocket shows that its oscillator runs at 4.1943 MHz, which is a bit of a difference.
