Toshiba Satellite M40 Maintenance Manual - Page 22
Optical device Drives, 4.1 DVD-ROM & CD-RW, DVD-ROM mode - ram
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1 Hardware Overview 1.4 Optical device Drives 1.4 Optical device Drives ? DVD-ROM & CD-RW drive ? DVD Super Multi drive 1.4.1 DVD-ROM & CD-RW The DVD Super Multi drive accepts 12-cm (4.72- inch) and 8-cm (3.15- inch) discs. At maximum, the drive can play back a DVD at 8x speed, read CD-ROM at 24x speed, and write CD-R at 24x speed and CD-RW at 4x speed or High speed CD-RW at 10X or Ultra speed CD-RW at 24X speed. The specifications of the DVD- ROM & CD-RW drive are listed in Table 1-2. Item DVD-ROM mode CD-ROM mode Data transfer rate (Mbytes/s) 33.3 (U-DMA transfer mode 2) 16.6 (PIO mode 4, Multiword DMA mode 2) Access time (ms) Average random access 180 150 Data buffer size (Mbytes) 2MB DVD: Formats supported DVD-VIDEO, DVD-ROM, DVD-R (3.9G,4.7G), DVD-RW (Ver.1.1), DVD-RAM, DVD+R, DVD+RW, DVD+R DL. CD: CD-DA, CD-ROM, CD-R, CD-RW, CD-ROMXA, PhotoCD (muitiSession), Video CD, CD-Extra (CD+), CD-Text Table 1- 2 DVD-ROM & CD-RW drive specifications 1-12 [CONFIDENTIAL] Satellite M40X Maintenance Manual