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Laser Magnetic Storage International (LMSI) was a subsidiary of
CM 153: 8-bit
Philips
Koninklijke Philips N.V. (), commonly shortened to Philips, is a Dutch multinational conglomerate corporation that was founded in Eindhoven in 1891. Since 1997, it has been mostly headquartered in Amsterdam, though the Benelux headquarters i ...
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 firm. CDC was one of the nine major United States computer companies through most of the 1960s; the others were IBM, Burroughs Corporation, DEC, NCR, General Electric, Honeywel ...
. 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: ?× speed
*CDD 461: 1× speed
*CDD 462: ?× speed
*CDD 2600: 6× speed
*CM 50: ?× speed
*CM 100: 1× speed
*CM 121: 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. The SCSI standards define commands, protocols, electrical, optical and logical interface ...
interface:
*CDD 521: 2× speed
*CDD 522: 2× speed
*CDD 552: ?× speed
*CDD 2000: 4× speed
*CDD 2600: 6× speed
*CM 110: ?× speed
*CM 221: ?× speed
*CM 231: ?× 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, SCSI
Small Computer System Interface (SCSI, ) is a set of standards for physically connecting and transferring data between computers and peripheral devices. The SCSI standards define commands, protocols, electrical, optical and logical interface ...
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:
*CM 153: 8-bit ISA
Isa or ISA may refer to:
Places
* Isa, Amur Oblast, Russia
* Isa, Kagoshima, Japan
* Isa, Nigeria
* Isa District, Kagoshima, former district in Japan
* Isa Town, middle class town located in Bahrain
* Mount Isa, Queensland, Australia
* Mount Is ...
(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 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 Pro 2 CT1620
** Sound Blaster 16 ASP CSP CT1780
**Media Vision Jazz 16 LMSI
**Pro Audio Spectrum
The Media Vision Pro AudioSpectrum (commonly referred to as "PAS") family of personal computer sound cards included the original 8-bit ''Pro AudioSpectrum'' (1991), the 8-bit ''Pro AudioSpectrum Plus'', 16-bit ''Pro AudioSpectrum 16'', ''Pro Audio ...
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):
**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