ABOUT PLEXTOR
Plextor is a subsidiary of the Shinano Kenshi Company (SKC), Ltd.
SKC’s roots stretch back to 1918, when it began to manufacture textiles in Japan’s
northern prefecture of Nagano. (Nagano, incidentally, will be the site of the 1998
Winter Olympics.) SKC’s involvement in the electronics industry started in 1962,
when it diversified into the production of stepper motors for commercial audio
products. SKC is now one of the world’s largest manufacturers of small motors used
in hard disks, floppy disks, tape drives, copy machines, video cameras ---- and your
Plextor CD-ROM drive.
Over the past decade SKC has developed a reputation as an innovator in compact
disc and CD-ROM technology. In 1992 it was the second company to begin shipments
of double-speed CD-ROM drives. In 1994, it was the first company to begin shipments
of half-height quad speed CD-ROM drives. As this 6PleX manual goes to press in early
1995, we expect SKC to be the first company to ship a six speed CD-ROM drive. SKC
also is a leading manufacturer of compact disc players used for industrial and
commercial applications (e.g., background music players for retail stores, restaurants
and shopping centers).
Plextor acts as SKC’s sales, service and support arm throughout the world. In addition
to CD-ROM drives, Plextor also sells under its own label professional audio equipment
used by radio stations, high-speed printing presses, and a CD encoding system
developed by SKC that can pack up to eight hours of audio onto a single compact disc.
Plextor’s home office is located in Tokyo. Plextor first opened an office in California’s
Silicon Valley in 1990. Rapid growth has required it to move twice since then to larger
offices. Plextor now occupies a 30,000 sq. ft. facility in Santa Clara, CA, which is
staffed by sales, marketing, technical support, engineering, administrative and ship-
ping personnel. Our European office (located in Brussels) began operation in 1994.
Plextor’s CD-ROM Drives
Model
Introduced
Data
Transfer Rate
Access
Time
Buffer
Size
1st generation DM-3020/5020
1990
150KB/sec
430ms
64K
2nd generation DM-3021/5021
1991
150KB/sec
340ms
64K
3rd generation DM-3024/5024
1992
300KB/sec
265ms
64K
4th generation DM-3028/5028
1993
335KB/sec
240ms
64K
5th generation PX-43CH/45CH
1994
600KB/sec
220ms
1MB
6th generation PX-43CS/45CS
1994
600KB/sec
170ms
256K
7th generation PX-63CS/65CS
1995
900KB/sec
145ms
256K
68
PX-63CS/PX-65CS OPERATION MANUAL
