4 replacing motherboard components, 1 removing add-on components from the motherboard, Remove the riser card retention bar as shown below – Tyan Computer GX21 User Manual
Page 43: Remove the pci riser card
3.4 Replacing Motherboard Components
Chapter 3: Replacing Pre-Installed Components
35
3.4
Replacing Motherboard Components
Follow these instructions to replace motherboard compo-
nents, including the motherboard.
3.4.1 Removing Add-On Components from the Motherboard
Before removing the motherboard, remove the CPU, memory
modules, disconnect all cables and remove the PCI card if
you have one installed.
Follow these instructions to remove the mainboard.
1. Remove the riser card retention bar as shown below.
2. Remove the PCI riser card.
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