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opencomputers-openos-flash.md

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flash

Summary

Read, save, or rewrite the installed EEPROM contents.

Availability

  • Repository: opencomputers
  • System: openos
  • Type: command

Source

  • OpenComputers/src\main\resources\assets\opencomputers\loot\openos\bin\flash.lua

Syntax

flash -l
flash -r FILE
flash [-q] BIOS_FILE [LABEL]

Purpose

Manage the currently installed EEPROM. You can print the current ROM contents, save them to a file, or flash a BIOS file into the EEPROM and optionally update its label.

Parameters

  • FILE: Target file used when reading the current EEPROM contents with -r.
  • BIOS_FILE: Binary or Lua BIOS image to write into the EEPROM.
  • LABEL: Optional new EEPROM label. If omitted in interactive mode, the command prompts for one.

Options

  • -q: Quiet mode. Skip confirmation prompts and status messages.
  • -l: Print the current EEPROM contents to standard output.
  • -r: Read the current EEPROM contents and save them to a file.

Examples

flash -l

Print the currently installed EEPROM image.

flash -r backup.lua

Save the current EEPROM contents to backup.lua.

flash bios.lua MyBIOS

Write bios.lua into the EEPROM and set its label to MyBIOS.

Notes

  • Interactive write mode prompts before flashing and warns not to power down during the operation.
  • When -r is used and the target file already exists, non-quiet mode asks for overwrite confirmation first.