HP C240 - Manual (Page 158)

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Changing Your Workstation’s Hardware Configuration
Installing an EISA, PCI, or GSC Option Board
Upgrading a C160/180 With an HP VISUALIZE-FX Graphics Adapter
When you upgrade a Model C160/180 to use the HP VISUALIZE-FX
Graphics Adaptor you also need to upgrade the Model C160/180 power sup-
ply. When you upgrade with the HP
VISUALIZE-FX A4452A Graphics
Adapter you must use the HP VISUALIZE Upgrade Kit, partnumber
A4450A. When you upgrade with the HP
VISUALIZE-FX A4453A Graphics
Adapter you must use the HP VISUALIZE Upgrade Kit, partnumber
A4451A. Operation with the older version power supply is not supported.