Replacing The Power Supply - HP Vectra XU 5/XX Introduction Manual

Setting the System Board Switches
Set the system board switches according to the type of processor you installed, following the
documentation which came with the processor upgrade kit.
Switch Block 1 (Switches 1, 6, and 7)
Switch Switch 6
1*
OFF OFF
OFF OFF
OFF ON
OFF ON
ON OFF
ON OFF
ON ON
ON OFF
*Subject to change. Refer to the upgrade processor documentation.
Switch 1 sets the processor's external/internal bus speed ratio. The default setting is OFF
2:3, ON sets the ratio to 1:2.

Replacing the Power Supply

Replace the power supply after you have finished installing main memory or an upgrade
processor.
1. Rotate the power supply down into its normal position. Take care not to distort the RFI
plate when replacing the power supply.
2. Secure it by pushing the fasteners down.
HP Vectra XU PC – Setting Up
External/Interna
Switch 7 l
Bus Speed
OFF 60/90
ON 50/75
OFF 40/60
ON 66.66/100
OFF 60/120
ON 50/100
OFF 40/80
ON 66.66/133
Installing Accessories 27