Toshiba Webcam A100 Maintenance Manual

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1.6  DVD-Multi (CD-R/RW+DVD-RAM/R/RW) Drive 
1  Hardware Overview 
PORTEGE A100 Maintenance Manual (960-460)  
 
1-15 
1.6  DVD-Multi (CD-R/RW+DVD-RAM/R/RW) Drive  
This drive is a combination of CD-R/RW, DVD-R/RW and DVD-RAM Drive. It is full-size 
and runs either 12cm (4.72- inch) or 8cm (3.15-inch) DVD/CDs without an adaptor. This 
drive reads CD-ROM at maximum 24-speed, reads DVD-ROM at maximum 8-speed writes 
CD-R at maximum 16-speed, writes CD-RW at maximum 4-speed, writes DVD-R at 
maximum 2-speed, writes DVD-RW at maximum 1-speed,and writes DVD-RAM at 
maximum 2-speed. 
The specifications for the DVD multi drive are described in table 1-7. 
Table 1-7  DVD-ROM drive specifications  
Item 
Specifications 
ATAPI Burst (MB/sec) 
33.3 (Ultra DMA mode 2) 
16.6 (PIO Mode 0 to 4, Multi word DMA mode 0 to 2) 
Average access time (ms) 
CD-ROM   150 
DVD-ROM   180 
Data buffer (MB) 
Speed (Read)r 
CD-ROM   24x CAV 
DVD-ROM   8x CAV 
Speed (Write)   
CD-R   16x max. (ZCLV) 
CD-RW   4x (CLV) 
DVD-R   1x, 2x 
DVD-RW  1x (CLV) 
DVD-RAM  2x (ZCLV) 
Supported Format 
CD:   CD-DA 
         CD-ROM, CD-ROMXA  
         CD-R/W 
         CD-R 
         CD-I Ready 
         Photo-CD 
         Video CD 
         Cd-Extra(CD+) 
         CD-TEXT  
DVD :DVD-ROM 
         DVD-R (3.9GB, 4.7GB) 
         DVD-Video 
         DVD-RW (Ver. 1.1) 
         DVD-RAM(4.7G, 2.6G, 9,4GB))