Tyan Computer GX21 - Manual (Page 55)

3.9 Replacing the Power Supply
Chapter 3: Replacing Pre-Installed Components 47
3.9 Replacing the Power Supply
1. Remove the 4 screws that secure the fan assembly to the
chassis.
2. Lift the fan assembly clear to give access to the power
supply cables.
3. Remove power cables from the motherboard, HDDs and
FDD if installed.