Acer X270 Laptop User Manual


 
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