52X CD-ROM with pure-CAV technology. E-IDE Interface, support all PIO, DMA, Ultra DMA modes. Innovated SMART-X to get the fastest CD-DAE/VCD data extraction speed by request (LTN-526/486). Supporting power saving function. Supporting plug & play ; emergency manual eject. Access all formats CD, CD-R, CD-RW title & disc (Support up to 99min). Easy-Tray design for both horizontally & vertically use. Gear-Driven tray disc-loading mechaniasm to Improve reliability & life, no any belt-loose belt-broken issue. Auto Balance System (ABS) mechanisam to reduce vibration & noise.