HP XL Class 500/550MHz User Manual page 17

Setting Up and Using Your HP Visualize Linux Workstation
Unpacking Your HP Visualize Linux Workstation
Installation Tools No tools are required to install your HP V Linux Workstation.
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However, if you plan to install a disk drive or an accessory board inside
your workstation, you will need a flat-blade screwdriver. For more
information on installing accessories, refer to the chapter "How to Install
Accessories In Your HP V Linux Workstation."
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