The pin headers were a bad idea. The pins were too high and making it difficult to open and close the lid. I removed the pin header and replaced with some wires directly.

Does anyone have the pinout for the serial port? I'm specifically looking for the pinout on the motherboard, as opposed to the pinout on the connector. I know where GND, TX and RX is. I've hooked up a lead and I'm able to run psxserial and nops. But I'm not sure what the other pins are and I can't f...

Hey folks. This is my first step into the world of PS1 game development. I grew up on the PS1 and always wished to make games for it. Like most people I loved the horror genre. I'm building a development machine. I've got a 7502 with parallel port and serial port. I'm using a cheat cartridge that I'...