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3.5.4
Installation Considerations for Graphics
Accelerators
PCI-E 2 is the default console display. If there is no graphics accelerator installed
into PCI-E 2, consider the probe order shown in
3.5.4.1
Default Console Display
During the boot sequence, device nodes are probed. The PCI slots are probed in the
order described in
TABLE 3-3
Probe
Order
1
2
3
4
5
Unless you reconfigure the default, the first graphics accelerator occurring in the
probe order is designated the default console display and assigned the aliases
screen and /dev/fb.
3.5.4.2
Changing the Console Display
You can configure the OpenBoot PROM to designate a different graphics accelerator
as the console display. Use the show-displays utility, the nvalias command, and
the output-device parameter to make this change. For the following example, a
Sun XVR-2500 graphics accelerator is installed in physical slot PCI-E 2 as the default
console display and a Sun XVR-100 graphics accelerator is installed in slot PCI-X 0.
This example configures the Sun XVR-100 graphics accelerator to be the new console
display.
1. Obtain the ok prompt.
See "Obtaining the ok Prompt" on page 10-2.
3-16
Sun Ultra 45 and Ultra 25 Workstations Service and Diagnostics Manual • May 2006
.
TABLE 3-3
PCI Card Probe Order
Slot Identifier
Device Node
PCI4 (PCI-E 2)
/pci@1f,700000/ device 0
PCI2 (PCI-E 0)
/pci@1e,600000/pci@0/pci@3/ device 0
PCI3 (PCI-E 1)
/pci@1e,600000/pci@0/pci@8/ device 0
PCI1 (PCI-X 1)
/pci@1e,600000/pci@0/pci@9/pci@0,2/ device 1
PCI0 (PCI-X 0)
/pci@1e,600000/pci@0/pci@9/pci@0,2/ device 2
.
TABLE 3-3
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