HP Z820 HP Z420, Z620, and Z820 Workstation Series User Guide - Page 28

Identifying monitor connection requirements, Display Port or VGA. - bios

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Identifying monitor connection requirements The following are various scenarios for connecting monitors. (See Matching graphics cards to monitor connectors on page 19 for more information about the different graphic cards): ● Graphics card with DisplayPort output - If the graphics card has four DisplayPort outputs, you can connect a monitor to each connector. Use the proper adapters if required. ● Graphics card with DVI output - If you have a PCIe graphics card with two DVI outputs, you can connect a monitor to each connector. Use the proper adapters if required. NOTE: Models that have only one DVI port always have a second graphics output option (Display Port or VGA). Many graphics cards provide more than two monitor outputs but limit you to using only two at a time. Consult the graphics card documentation or look up information on the card according to the procedure in Finding supported graphics cards on page 19. On a system with two DVI connections, port number 1 provides the primary display, which is where the BIOS POST screen appears after a system boot. (Usually this is the lower of the two outputs. Only one card is used during BIOS POST, although you can change this in the BIOS settings.) ● Graphics card with VGA and DL-DVI output - If the workstation does not have a PCIe graphics card, but has one or more SVGA and/or DL-DVI outputs, you can connect a monitor to each output. ● Graphics card with DMS-59 output - If the workstation has a PCIe graphics card with a DMS-59 output receptacle, use the appropriate adapter to connect your monitor. Adapters are available to connect the DMS-59 output to two DVI or two VGA monitors. 20 Chapter 3 Setting up the workstation

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Identifying monitor connection requirements
The following are various scenarios for connecting monitors. (See
Matching graphics cards to monitor
connectors
on page
19
for more information about the different graphic cards):
●
Graphics card with DisplayPort output
— If the graphics card has four DisplayPort outputs,
you can connect a monitor to each connector. Use the proper adapters if required.
●
Graphics card with DVI output
— If you have a PCIe graphics card with two DVI outputs,
you can connect a monitor to each connector. Use the proper adapters if required.
NOTE:
Models that have only one DVI port always have a second graphics output option
(Display Port or VGA).
Many graphics cards provide more than two monitor outputs but limit you to using only two at a
time. Consult the graphics card documentation or look up information on the card according to the
procedure in
Finding supported graphics cards
on page
19
.
On a system with two DVI connections, port number 1 provides the primary display, which is
where the BIOS POST screen appears after a system boot. (Usually this is the lower of the two
outputs. Only one card is used during BIOS POST, although you can change this in the BIOS
settings.)
●
Graphics card with VGA and DL-DVI output
— If the workstation does not have a PCIe
graphics card, but has one or more SVGA
and/or
DL-DVI outputs, you can connect a monitor to
each output.
●
Graphics card with DMS-59 output
— If the workstation has a PCIe graphics card with a
DMS-59 output receptacle, use the appropriate adapter to connect your monitor.
Adapters are available to connect the DMS-59 output to two DVI or two VGA monitors.
20
Chapter 3
Setting up the workstation