can't find drivers under Hitachi or LG.

Support Information:
Device Type: CD / DVD
Manufacturer: Hitachi
Model: HL-DT-ST DVD-ROM GDR8163B
Interface: Other
Operating System: Windows 98se
Age of Device: [i]< 2 years old
FCCID:

Type of drive: dvd (dvd reader and cd-rom combo)
Location: internal
What recording software are you using?: Other (Other: real player)

Find it on DriverGuide (http://members.driverguide.com/index.php?action=srch&sm=b&aax=&qa6=459&qa5=3&qa7=1600&dp=2&qm0=HL-DT-ST+DVD-ROM+GDR8163B&jmd=and&fzz=d) | Find it with Google (http://www.google.com/search?hl=en&lr=&ie=UTF-8&oe=UTF-8&q=Hitachi+CD+%2F+DVD++HL-DT-ST+DVD-ROM+GDR8163B+Windows+NT+3.51+) | Research manufacturer Hitachi (http://members.driverguide.com/index.php?action=getinfo&companyid=459)

That's because there are none. Optical drives never require anything more than what the os provides natively. Windows NT will provide support that allows this drive to read a data or music disk and compatible dvd decoding software will allow the drive to read a dvd disk.