1  Hardware Overview   1.4  Optical Drive   
1.4.2  HD DVD Drive 
The HD DVD drive accommodates 12 cm (4.72-inch) CD-ROM, DVD-ROM, HD DVD-
ROM, CD-R/RW, DVD±R/±RW and DVD-RAM. It is a high-performance drive that reads 
DVD-ROM at maximum 8-speed DVD-ROM DL at maximum 6-speed, CD-ROM at 
maximum 24-speed and HD DVD-ROM at maximum 1-speed. It writes CD-R at maximum 
16-speed, CD-RW at maximum 10-speed (High Speed and Ultra Speed), DVD-R and 
DVD+R at maximum 8-speed, DVD-RW and DVD+RW at maximum 4-speed, DVD-RAM 
at maximum 3-speed, DVD-R (Double Layer) and DVD+R (Double Layer) at maximum 2.4-
speed.  
The HD DVD drive is shown in Figure 1-5. The dimensions and specifications of the HD 
DVD drive are described in Table 1-5 and 1-6. 
 
Figure 1-5 HD DVD drive  
Table 1-5 HD DVD drive outline dimensions 
Parameter Standard value 
Maker 
MATSUSHITA 
(G8CC00031720) 
Width (mm)  128.0 
Height (mm)  12.7  
Depth (mm)  126.1 
Outline 
dimensions 
(excluding 
projections) 
Mass (g)  160 typ. 
1-14     [CONFIDENTIAL]  QOSMIO G30  Maintenance Manual (960-546)