| psx faq | Groepaz | Playstation FAQ for noobs |
| 3467.pdf | IDC | R3000A Manual |
| PSX Documentation Project | Joshua Walker | Everything You Have Always Wanted to Know about the Playstation - But Were Afraid to Ask. |
| SYSTEM.txt | Doomed/Padua | R3000 instructions, cop0, some system calls, pc-fileserver, root counters, DMA. (Last update Nov/03/1999) |
| GPU.txt | Doomed/Padua | GPU explanations and operations. Basicly all you need to know about it. (Last update Nov/03/1999) |
| SPU.txt | Doomed/Padua | Some basic info on the SPU.(Last update Nov/03/1999) |
| GTE.txt | Doomed/Padua | New version of his GTE doc. Completely revamped, this should contain most of what you should know. (Last update Mar/09/2000) |
| CDINFO.txt | Doomed/Padua | A small little file about low-level CD controlling. Don't expect too much, but it might get you started in your own explorations. (Last update Feb/06/2000) |
| psx-reg.pdf | bITmASTER | another psx register documentation (last update: 09.07.99) |
| GS32Comms.htm | Russ K. | Action Replay/GameShark Pro v3.2 Communications Protocol Explaination (Last update Jun/19/2007) |