Acer Veriton X270 Aspire X1700 / Veriton X270 Service Guide - Page 98

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