I just bought this ps1 model scph-9002. I decided to clean it and when i opened it this is what my motherboard looks like. Is this some kind of region lock mode
Sony PlayStation PAL Model SCPH-9002
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Sony PlayStation 1 Modchip SCPH-9002 | Xylitol | Hackaday.io
Sony PlayStation PAL Model SCPH-9002
Sony PS1 PlayStation 1 Console Original PAL SCPH-9002 (Tested and Working) | eBay
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Unboxing PS1 Fat SCPH 9002 Playstation 1 Fat PAL Edition - YouTube