Net Yaroze 2

The Net Yaroze is a development kit for the PlayStation video game console. It was a promotion by Sony Computer Entertainment to computer programming hobbyists in 1997.
For about $750 USD, the Net Yaroze (DTL-H300x) package would contain a special black-colored debugging PlayStation unit with documentation, software, and no regional lockout. The user provided a personal computer to write the computer code, compile it, and send the program to the PlayStation.
While lacking regional lockout, the Net Yaroze console exists in three variations; one for Japan, one for North America and one for Europe/Australia. The Europe/Australia version boots in PAL mode, while the others boot in NTSC mode. There are further differences between the Japanese kit and the others; the manuals are in Japanese, the software for Japanese PCs is included, and the discs and access card sticker have different printing. The Japanese version is sometimes unofficially referred to as DTL-3000 rather than DTL-H3000.
The Net Yaroze was only available for purchase by mail order; but Sony also provided it to universities in the UK, France and Japan.
The Net Yaroze lacks many of the features the official PlayStation Software Developers Kit provided, such as advanced hardware debugging, special software, certain libraries, and Sony's extensive technical support (including BBS and live telephone support). Dedicated Usenet groups, with access restricted to Net Yaroze members, were maintained by Sony; homepage hosting was also provided. The access was restricted according to the kit's region of origin, which made collaboration between users in different territories impractical.
The Yaroze's primary RAM was the same as a standard grey PlayStation 1 (2 megabytes). Game code, graphics, audio samples and run-time libraries were limited to fit in the 2 MB, as Sony did not allow Net Yaroze members to burn data to CD-ROM's to be booted and run on the console.