CD-ROM normally expressed with binary prefixes, subtracting the space used for error correction data. A standard 120 mm, "700 MB" CD-ROM can actually hold about 737 MB (703 MiB) of data with error correction (or 847 MB total). In comparison, a single-layer DVD-ROM can hold 4.7 GB of error-protected data, more than 6 CD-ROMs. CD-ROM discs are read using CD-ROM drives. A CD-ROM drive may be connected to the computer via an IDE (ATA), SCSI, SATA, FireWire, or USB interface or a proprietary interface, such as the Panasonic CD interface, LMSI/Philips, Sony and Mitsumi standards. Virtually all modern CD-ROM drives can
Philips Computers had and has moderate success selling peripherals such as mice, keyboards and optical devices. Philips also sold and sells computer media such as diskettes and optical media (CD)s. Philips also developed the CD-i standard but it flopped. Another experimental product was the , based on Intel's 80186. It also flopped. Philips PCs were mostly equipped with motherboards designed by Philips Home Electronics in Montreal, Canada. In the late 1990s Philips Pentium PCs were sold based on generic components and cases. These were not proprietarily designed and produced. Philips had a subsidiary that sold the PCs under the Vendex brand: HeadStart.