Tyan Computer GX21 - Manual (Page 44)

3.4 Replacing Motherboard Components
36 Chapter 3: Replacing Pre-Installed Components
3.4.2 Disconnecting Cables
Disconnect all the cables on the board
1. Disconnect the main and ATX power cables.
2. Disconnect the CD-ROM (A) and S-ATA hard drive (B)
cables.
Main power ATX12V power
A
B