91 Appendix A
Optical Drive
Super Multi
Item Specification
Vendor HLDS PLDS Sony
Model name GH-15F DH-16A3S AD-7203S
Drive type Super Multi DVD-ROM Super Multi
Write Speed
—
—
DVD-R: 20x max. DVD
+R: 20x max.
DVD-RW: 6x max. DVD
+RW: 8x max.
DVD-R DL: 12x max.
DVD +R9: 8x max.
DVD-RAM: 12x max.
CD-R: 48x max. CD-RW:
32x max.
Read Speed
——
DVD: 16x max.
CD: 48x max.
Data Transfer Rate
——
—
Access Time — — DVD: 160 ms
CD: 140 ms
Buffer Size 4 MB 4 MB 2 MB
Interface Type Serial ATA Serial ATA Serial ATA
DVD-ROM
Item Specification
Vendor HLDS PLDS
Model name GDR-H20N DH-16D2S
Drive type DVD-ROM DVD-ROM
Write Speed
—
—
Read Speed CD-ROM Max 52x
DVD-ROM Max 16x
CD-RAM 5x
CD Max 48x
DVD Max 16x
Data Transfer Rate CD Max 7.8 Mbytes
DVD Max 22.1 Mbytes
—
Access Time
(Random) CD 90 ms
(Random) DVD 100 ms
(Full) CD 140 ms
(Full) DVD 160 ms
CD 12 ms
DVD 140 ms
DVD-RAM 150 ms
Buffer Size
198KB with buffer under run prevention
technology
198 KB
Interface Type Serial ATA Serial ATA