Laser Magnetic Storage International


Laser Magnetic Storage International was a subsidiary of Philips that designed and manufactured optical and magnetic media. It began as a joint venture between Philips and Control Data Corporation. It later become Philips LMS.

Products

LMSI developed a proprietary CD-ROM interface. Early iterations relied on many Philips 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 F851480 N9205: on the CM 260 for example.
External CD-ROMs, LMSI interface:
External CD-ROMs, SCSI interface:
Internal CD-ROMs, LMSI interface:
Internal CD-ROMs, SCSI interface:
Internal CD-ROMs, IDE interface:
ISA LMSI Controller Cards:
Motherboard Integrated
The proprietary 16PIN 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 DB15 connector for external LMSI devices :
Magnetic products were geared towards corporate mini computer environments.