SYSTEM.CNF

System designation file that names the program to start from a disc.

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Overview

SYSTEM.CNF holds the PlayStation settings and names the application to start.¹

Sony's name for SYSTEM.CNF is System Designation File.¹

At boot the PS-X OS checks the disc. On the right disc it reads SYSTEM.CNF and starts the program it names.¹

Each parameter starts at the beginning of a line in the form <key word> = <content>.¹

The file uses 1-byte uppercase alphanumeric characters. Lowercase characters may not be used.¹

A space is needed on both sides of the equal sign.¹

When a parameter appears more than once, the first one found takes precedence.¹

SYSTEM.CNF takes the following parameters:

Table 1: System designation file keyword list
Keyword	Content	Default	Example
BOOT	Name of the file to be started¹	GAME.PSX	BOOT = PSXAPP.EXE
TCB	Number of tasks	4	TCB = 5
EVENT	Number of events	16	EVENT = 5
STACK	Stack pointer value when the BOOT file starts	0x8001FF00	STACK = 800FFF0

^ ^a ^b ^c ^d ^e ^f ^g ^h Sony Computer Entertainment Inc. PlayStation Operating System. August 1998. Page 2-3, Table 2-1.