Click a picture to see a larger view.

The first three references point into the HP site. The fourth one is pointing to a local index of downloaded references.

HP Manuals for HP Workstation x4000

Open Source and Linux from HP

Startdownloads from OpenSource and Linux from HP

x4000 references downloaded

The images referenced below are in their original resolution and are quite large very likely requiring panning to see the entire image.

It is very clear from
this image that the
original graphics card
that came with the
x4000 is a 2001 FIRE GL4.