uflearning.blogg.se - Psx japan bios numbers

From an external viewpoint, the most notable change was the gradual reduction in the number of external connectors from the back of the unit.

The PlayStation went through a number of variants during its production run, each accompanied by a change in the part number.

The SCPH-900x revision saw the removal of the parallel I/O port while the RCA connectors were removed in the SCPH-550x revision and the S-Video port was removed in the SCPH-1001 revision. Revisions of standard PlayStation hardware A bottom-up comparison of the SCPH-1000, SCPH-3000, SCPH-5501, and SCPH-9001. The final digit in the model number is the region code of the console many games are restricted to certain regions, and the system software displays in different languages. Most revisions of the PlayStation were made to fix known hardware issues or lower production costs and time, while others featured substantial external changes.Įach region has its own model number for example, Japan received the SCPH-1000, North America received the SCPH-1001, and Europe received the SCPH-1002. The very first PlayStation model, the Japanese SCPH-1000, shown with original controller and memory cardĪ number of models of Sony's PlayStation ( PS) video game console were produced from 1994 to 2006. For models of Sony's later home consoles, see § See also.

Initializes undocumented CPU hardware registers (timing, etc.This article is about the models of Sony's original PlayStation console.

It is copied to 0x80030000.Īt the very end of the shell is some kind of structure with lines about the BIOS version. It also contains system calls to tables B0 and C0. Directly the part of the BIOS that performs the kernel boot and contains most of the system calls of table A0. This BIOS has been disassembled in detail and is considered “stable” for working in emulators. And even within the same motherboard model there may be different BIOS versions, depending on the revision of the motherboard of one model.Īlmost all emulators consider SCPH1001.BIN to be the standard BIOS version. This is a difficult question, because the BIOS versions firstly differ from the region, and secondly they differ between the motherboard models. This article is originally from Table of Contents A 512 KB ROM contains the BIOS startup bootloader, a copy of the PlayStation OS kernel, as well as a “shell” that opens if a game disc is not inserted in the console and contains a memory card manager and a CD player.