Toshiba A40 User Manual
1 Hardware Overview
1.5 DVD-ROM Drive
1.5 DVD-ROM
Drive
The DVD-ROM drive accommodates either 12 cm (4.72-inch) or 8 cm (3.15-inch) CD, CD-
R/RW and DVD. It is a high-performance drive that reads DVD at maximum 8-speed, and
reads CD at maximum 24-speed (3,600 KB per second).
R/RW and DVD. It is a high-performance drive that reads DVD at maximum 8-speed, and
reads CD at maximum 24-speed (3,600 KB per second).
The DVD-ROM drive is shown in Figure 1-6. The specifications of the DVD-ROM drive are
described in Table 1-4.
described in Table 1-4.
Figure 1-6 DVD-ROM drive
Table 1-4 DVD-ROM drive specifications (1/2)
Specifications
Toshiba G8CC0000R810
Item
DVD-ROM CD-ROM DVD-RAM
Burst data transfer rate
(MB/s)
(MB/s)
16.7 (PIO Mode 4)
16.7 (Multi-word DMA Mode 2)
33.3 (Ultra DMA Mode 2)
16.7 (Multi-word DMA Mode 2)
33.3 (Ultra DMA Mode 2)
Average random access time (ms)
100
95
170
Average random seek time (ms)
95
90
120
Average random full strike access
time (ms)
time (ms)
160 160 350
Data buffer capacity (KB)
192
DVD
DVD-ROM (DVD-5, DVD-9, DVD-10, DVD-18)
DVD-R (read), DVD-RW (read), DVD-RAM (read,
Version 2.1), DVD-RAM (read, Version 1.0)
DVD-R (read), DVD-RW (read), DVD-RAM (read,
Version 2.1), DVD-RAM (read, Version 1.0)
Supported
formats
formats
CD
CD-Audio, CD+(E)G, CD-MIDI, CD-TEXT, CD-ROM,
CD-ROM XA, CD-I, CD-I Bridge (Photo-CD, Video-CD),
Multisession CD (Photo-CD, CD-EXTRA, CD-R, CD-
RW), CD-R (read), CD-RW (read)
CD-ROM XA, CD-I, CD-I Bridge (Photo-CD, Video-CD),
Multisession CD (Photo-CD, CD-EXTRA, CD-R, CD-
RW), CD-R (read), CD-RW (read)
1-18
Satellite A40 Maintenance Manual (960-458)