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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 ...
Optical drives for computers come in two main form factors: half-height (also known as desktop drive) and slim type (used in laptop computers and compact desktop computers). They exist as both internal and external variants. Half-height optical drives are around 4 centimetres tall, while slim type optical drives are around 1 cm tall.
Slim HD DVD Reader + DVD Writer Combo PC drive (OEM usage only) December 2007 SD-L902A Toshiba: Slim HD DVD Writer PC drive HD DVD-R, HD DVD-R DL [56] (OEM usage only) (OEM p/n P000486270 [57] Used in the Qosmio PQG40A-00Y014 [58] Mfr'd May 2007 [59] - Oct 2007 [60] SD-L912A Toshiba: Slim HD DVD-ReWritable Drive. HD DVD-RW and HD DVD-R DL writer.
The DVD and Blu-ray discs hold a higher capacity of data, so reading or writing those discs in the same 74-minute time-frame requires a higher data transfer rate. Drive speed can be limited intentionally to reduce noise from the drive or slow down ripping, such as the firmware component Riplock.
Formats such as CD-R and DVD-R are "Write once read many" or write-once, while CD-RW and DVD-RW are rewritable, more like a magnetic recording hard disk drive (HDD). Media technologies vary, for example, M-DISC media uses a rock-like layer to retain data for longer than conventional recordable media.
MechaPwn [9] is an exploit that permanently unlocks the DVD drive of the slim PS2 (and some later revisions of the fat PS2), allowing PS1 and PS2 discs from any region to be booted. PS1 CD-R copies can be booted directly from the PS2's built-in menu; PS2 CD-R/DVD-R copies require additional software to bypass the PlayStation 2 logo check.
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They were also the first to use a design in which the audio electronics were in a separate enclosure from the CD drive and pickup mechanism. A similar mechanism is used in slim optical disc drives (also known as slim internal DVD drive, optical drive or DVD burner), which were once commonly used in laptop computers.