Tyan Computer Transport GX21 B2735 - Manual (Page 49)

3.2 Replacing motherboard components
Chapter 3: Replacing pre-installed components 41
Note: If there is FDD or IDE HDD installed
in the bay beneath the CD-ROM drive, you
will have to disconnect those cables too
before you can remove the motherboard.
3. Disconnect front panel LED and USB connectors.
Front panel LED connector USB connector