Laser Magnetic Storage International (LMSI) was a subsidiary of

Philips Koninklijke Philips N.V. (), simply branded Philips, is a Dutch multinational health technology company that was founded in Eindhoven in 1891. Since 1997, its world headquarters have been situated in Amsterdam, though the Benelux headquarter ...

that designed and manufactured optical and magnetic media. It began as a joint venture between Philips and

Control Data Corporation Control Data Corporation (CDC) was a mainframe and supercomputer company that in the 1960s was one of the nine major U.S. computer companies, which group included IBM, the Burroughs Corporation, and the Digital Equipment Corporation (DEC), the N ...

. It later became Philips LMS.

Products

LMSI developed a proprietary CD-ROM interface. Early iterations relied on many 7400-series chips – on the CM 153 card for example. Later on, this bus was based on the highly integrated NCR chip – NCR © DIGBIE LMS 97644845-00 0390471 on the CM 260 for example. ; External CD-ROMs, LMSI interface: * CDD 401: 1× speed (rebranded CM 221) * CDD 461: 1× speed * CDD 462: 1× speed (same as CDD 461 but with multi-session support) * CM 50: 1× speed * CM 100: 1× speed – the world's first CD-ROM drive * CM 121: 1× speed * CM 221: 1× speed * CM 225: ?× speed ; External CD-ROMs,

SCSI Small Computer System Interface (SCSI, ) is a set of standards for physically connecting and transferring data between computers and peripheral devices, best known for its use with storage devices such as hard disk drives. SCSI was introduced ...

interface: * CDD 521: 2× speed * CDD 522: 2× speed * CDD 552: ?× speed * CDD 2000: 4× speed * CDD 2600: 6× read, 2x write * CM 110: ?× speed * CM 231: 1× speed * CM 234: ?× speed ; Internal CD-ROMs, LMSI interface: * CM 201: 1× speed * CM 205: 1× speed * CM 206: 2× speed * CM 210: ?× speed ; Internal CD-ROMs,

interface: * CM 121: 1× speed * CM 201: 1× speed * CM 204: ?× speed * CM 212: ?× speed * CM 214: ?× speed * PCA80SC: 8× speed ; Internal CD-ROMs, IDE interface: * CDD 3610: 6× speed * CDD 3801: 32× speed * CDD 4201: ?× speed * CDD 4401: ?× speed * CDD 4801: ?× speed * CM 202: 2× speed * CM 207: ?× speed * CM 208: ?× speed * CM 218: ?× speed ; ISA LMSI controller cards: * Cm153-1

CM 153: 8-bit ISA (coupled with the CM 100 and the CM 201) * CM 155: 8-bit ISA (coupled with the CM 100, the CM 201 and the CM 210) * CM 50 interface: 8-bit ISA (coupled with the CM 50) * CM 250: 8-bit ISA (coupled with the CM 205) * CM 260: 16-bit ISA (coupled with the CM 206) ; Motherboard-integrated * Certain

Tandy Tandy may refer to: Companies * Tandy Corporation (1919–2000), a leather supply company which became the RadioShack Corporation in 2000 ** Hinckley-Tandy Leather Company, name used from 1919 to 1956 ** TRS-80 Color Computer, rebranded as Tandy C ...

Sensation models featured a LMSI controller PCB connected to the motherboard. * The proprietary 16-pin LMSI CD-ROM interface was relatively short lived and existed on LMSI interface cards and a few ISA sound cards. These sound cards only have internal LMSI connectors, not the external DB-15 connector for external LMSI devices (the DB-15 on sound cards is the game port/UART MPU-401): **

Sound Blaster Sound Blaster is a family of sound cards and audio peripherals designed by Creative Technology, Creative Technology/Creative Labs of Singapore. The first Sound Blaster card was introduced in 1989. Sound Blaster sound cards were the de facto stan ...

Pro 2 CT1620 **

Sound Blaster 16 The Sound Blaster 16 is a series of sound cards by Creative Technology, first released in June 1992 for IBM PC compatible, PCs with an Industry Standard Architecture, ISA or conventional PCI, PCI slot. It was the successor to the Sound Blaster ...

ASP CSP CT1780 ** Media Vision Jazz 16 LMSI ** Pro Audio Spectrum LMSI ** Pro Audio 16 LMSI ** Generic 16-bit ISA cards with the Aztech AZTPR16 DSP (FCC ID 138-MMSN808) * Magnetic products were geared towards corporate mini computer environments (like the

IBM AS/400 The IBM AS/400 (Application System/400) is a family of midrange computers from IBM announced in June 1988 and released in August 1988. It was the successor to the System/36 and System/38 platforms, and ran the OS/400 operating system. Lower-cost b ...

): ** LD 510: internal SCSI MO drive ** LD 520: external MO drive ** LD 1200: external WORM drive ** LD 4100: cartridge optical storage ** LD 6100: external WORM drive ** LF 4500: cartridge optical storage

References

{{reflist, colwidth=30em Philips 1986 establishments in Ontario 1992 disestablishments in Ontario Compact Disc player manufacturers Control Data Corporation Defunct computer companies of Canada Defunct computer hardware companies