1 Hardware Overview 1.4 BD-Writer and BD-Combo drives
1.4 BD-Writer and BD-Combo drives The BD-Writer and BD-Combo drives accept 12-cm (4.72-inch) and 8-cm (3.15-inch) discs and
can play BDs, DVDs and CDs. At maximum the drives can playback BD at 6x speed, DVD at 8x
speed, read CD-ROM at 24x speed, and write, CD-R at 24x speed, CD-RW at 16x speed, DVD-
R at 8x speed, DVD-R (Dual Layer) at 4x speed, DVD-RW at 6x speed, DVD+R at 8x speed
(BD-Combo drive at 4x speed), DVD+R (Double Layer) at 4x speed, DVD+RW at 8x speed and
DVD-RAM at 5x speed.
In addition to being able to write to recordable CD/DVD discs, the BD-Writer drive can write to
BD-R at 6x speed, BD-R (DL) at 4x speed, BD-RE at 2x speed and BD-RE (DL) at 2x speed.
Figure 1-4 BD-Writer or BD-Combo drive (depending on the model)
Table 1-3 Blu-ray Disc Drive specifications
Item BD-ROM Mode 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 130
Data Buffer Size (Mbytes) 2MB
Formats Supported
BD:
BD-ROM, BD-R, BD-R (DL), BD-RE, BD-RE (DL)
DVD:
DVD-VIDEO, DVD-ROM, DVD-R, DVD-RW, DVD-RAM, DVD+R,
DVD+-R (Double Layer), DVD+RW.
CD:
CD-DA, CD-ROM, CD-R, CD-RW, CD-ROMXA, Photo CD
(Multi-Session), Video CD, CD-Extra (CD+), CD-Text.
Satellite L670/Pro L670 Maintenance Manual[CONFIDENTIAL]