basic parameter
 apply style:desktop computer
 install mode:in computer
 interface style:ATAPI/EIDE
 technic parameter
    read speed: 4X/8X/12X/16X
    random average read time:80ms
    Data Buffer:128KB
    Data Transfer Rate: Max 16.62MB/S
 function parameter
 Suspensory disc standards: CD-R / CD-RW / CD-ROM (mode1and mode 2) / CD-ROMXA ( mode 2, form 1 and   form 2) / CD-DA / Bootable CD / Photo CD (single and multi- sessions) / video CD / CD-extra / mixed mode CD / CD-text 
 disc load style:tray
 mount system: Horizontal & Vertical
 check function:have front board identity :earphone jack /busyness display led/urgency exit  olume adjust  button/tray switch
else identity:nothing  out parameter