1 Hardware Overview
Satellite A660/Pro A660 Maintenance Manual 1-13
1.4 BD-RE and BD-Combo drives
The BD-RE 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
The BD-RE and BD-Combo drives let you record data to writable CD/DVD discs. The drives can
write CD-RW at 16x speed, CD-R at 24x speed, DVD-RAM at 5x speed, DVD+R DL at 4x
speed, DVD-R DL at 4x speed, DVD+RW at 4x speed, DVD+R at 8x speed, DVD-RW at 6x
speed, DVD-R at 8x speed.
In addition to being able to write to recordable CD/DVD discs, the BD-RE drive can write to
BD-R as 6x speed, BD-R(DL) at 4x speed, BD-RE at 2x speed and BD-RE (DL) at 2x speed.
Figure 1-4 BD-RE 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:
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.