PS4 Serial and Flash Pinouts, PS4 UART Enabler and PS4 4.05 Debug Settings and UART Output this past weekend, today PlayStation 4 modder ImJtagModz (YouTube) made available UART Ground Wire and Uart0 TX pinouts for a SAC-001 Motherboard alongside a Windows tool called PS Watson (PSWatson.exe) to view your PS4 console's UART output.
Download: PSWatson.exe (578 KB) / Solderless_UART_by_Centrino.pdf (928 KB) by Centrino
In related news, PlayStation 4 modder and YouTube extraordinaire Blasts Mods (YouTube) who helped with the PS4 Advanced Warfare Mod Menu shared a brief UART on PS4 4.05 demonstration video for those interested.
Check out the related Tweets with pictures and the 4.05 PS4 UART demo video below!
Jailbreaking Your PlayStation 4 With Just A DNS IP: 184.108.40.206 - No Computers! (PS4 Jailbreak)
UART Enabler for 4.55
Code:*(char *)(kernel_base + 0x1997BC8) = 0;
Cheers to both @prreis and @xxmcvapourxx for the news tips earlier today in the PSXHAX Shoutbox!