Intergraph RealiZm Graphics Z10 Hardware User's Manual page 41

Single-screen Z13, Z25, or V25 in a deskside system: Connect the monitor cable to the
Video port shown in the following figure.
Dual-screen Z13, Z25, or V25 in a deskside system: Connect the monitor cables from the
primary monitor and the secondary monitor to the Video ports shown in the following figure.
Video Port PCI Slot 3
VGA Port (not used)
Video Port PCI Slot 3
(Secondary)
Video Port PCI Slot 1
(Primary)
VGA Ports (not used)
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