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CD-ROM discs are read using CD-ROM drives. A CD-ROM drive may be connected to the computer via an IDE , 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 also play audio CDs (as well as Video CDs and other data ...
Early sound cards could include a CD-ROM drive interface. Initially, such interfaces were proprietary to each CD-ROM manufacturer. A sound card could often have two or three different interfaces which are able to communicate with the CD-ROM drive. A method for using the parallel port to use with external drives was developed at some point. This ...
A SoundBlaster 16 with Panasonic CD interface on the left, in addition to a Mitsumi and a Sony CD interface. The Panasonic CD interface, also known as the MKE CD interface (for Matsushita Kotobuki Electronics), SLCD or simply Panasonic, is a proprietary computer interface for connecting a CD-ROM drive to an IBM PC compatible computer.
Original CD-ROM drives could read data at about 150 kB/s, 1× constant angular velocity (CAV), [1] the same speed of compact disc players without buffering. As faster drives were released, the write speeds and read speeds for optical discs were multiplied by manufacturers, far exceeding the drive speeds originally released onto the market.
On every CD-ROM the sectors state their logical absolute and relative position in the corresponding sector-headers. The drive can use this information when it is told to retrieve or seek to a certain sector. Note that such information is not physically "hard-wired" into the CD-ROM itself but part of user-controlled data.
The built-in PD drive and the external type are sold, respectively, and both of them can read the CD-ROM. Both drive and media, most of which are manufactured by Matsushita Electric Appliances only, the company also released a notebook PC with a 650 MB auxiliary storage device and a 4× CD-ROM drive, a PRONOTE PD (August 1996).
Slim type optical drives are subject to physical limitations, thus are not able to attain rotation speeds of half-height (desktop) optical drives. They usually support CD-RW writing speeds of 16× [ 14 ] [ 15 ] [ 16 ] or 24× Z-CLV in zones of 10× CLV, 16× CLV, 20× CLV and 24× CLV towards the outer edge, of which the highest speed zone ...
The CF-V21P is a notebook-sized laptop released by Panasonic in 1993. It was the first notebook computer to have an integrated CD-ROM drive as an option, albeit it only supports up to 3.5-inch-diameter mini CDs instead of standard 4.7-inch-diameter discs. [a] It was discontinued in 1994. [1]: 111
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