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Intelligent Systems ROM burner for the Nintendo DS. A ROM image, or ROM file, is a computer file which contains a copy of the data from a read-only memory chip, often from a video game cartridge, or used to contain a computer's firmware, or from an arcade game's main board.
A 32-bit PC BIOS will search for boot code on an ISO 9660 CD-ROM. The standard allows for booting in two different modes. Either in hard disk emulation when the boot information can be accessed directly from the CD media, or in floppy emulation mode where the boot information is stored in an image file of a floppy disk , which is loaded from ...
.ISO files are commonly used in emulators to replicate a CD image. Emulators such as Dolphin and PCSX2 use .iso files to emulate Wii and GameCube games, and PlayStation 2 games, respectively. [7] [8] They can also be used as virtual CD-ROMs for hypervisors such as VMware Workstation or VirtualBox. Other uses are burning disk images of operating ...
There are several standards that define how to structure data files on a CD-ROM. ISO 9660 defines the standard file system for a CD-ROM. ISO 13490 is an improvement on this standard which adds support for non-sequential write-once and re-writeable discs such as CD-R and CD-RW, as well as multiple sessions.
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[7] ROM files and ISO files are created by either specialized tools for game cartridges, or regular optical drives reading the data. [16] As an alternative, specialized adapters such as the Retrode allow emulators to directly access the data on game cartridges without needing to copy it into a ROM image first.
Drives which can read but not write data are "-ROM" (read-only memory) drives, even if they can read from writable formats such as "-R" and "-RW". Some drives have mixed read and write capabilities, such as the TSST TS-LB23, which can only read Blu-ray discs but read and write CDs and DVDs.
Read-only memory (ROM) is a type of non-volatile memory used in computers and other electronic devices. Data stored in ROM cannot be electronically modified after the manufacture of the memory device. Read-only memory is useful for storing software that is rarely changed during the life of the system, also known as firmware.