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Chapter 2
Installation and Configuration
Note
After changing DDC routing settings, a power cycle is required to enable the change.
PXI Setup Menu
NI PXI-8104 User Manual
Parallel Port Mode—The PC industry has created several different
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modes of operation for this port over the years. Usually, the default
setting works for all applications. However, if a parallel port device
specifically requires a nondefault setting, you can change it here.
The default is Bidirectional, for full IEEE 1284 capabilities.
Legacy USB Support—Use this setting to use a USB keyboard and
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mouse as if they were standard PS/2-style peripherals. You must enable
this setting to use these devices in operating systems with no USB
support and to boot from a USB floppy or CD-ROM. The BIOS setup
screen always works with USB keyboards regardless of this setting.
Certain real-time applications may require you to disable this setting
to reduce loop time jitter. The default is Enabled.
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AHCI Configuration—This setting determines whether AHCI mode
is Enabled or Disabled for the SATA port. Some operating systems,
such as Windows 2000, do not support AHCI mode. You can use this
setting to disable AHCI mode so that non-compatible OSes function
correctly. The default setting is Enabled.
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Monitor DDC—This setting determines how the monitor DDC is
routed. Use this setting to select whether or not the DDC is routed for
an Analog monitor or a DVI monitor. In order to use a DVI monitor,
this setting must be set to DVI. An analog monitor, however, will
function with this option set to either Analog or DVI. The DDC
communication path is only enabled when set to Analog for an analog
monitor, so certain advanced features of your analog monitor may only
be enabled when routing DDC to Analog. The default setting is DVI.
Use this menu to control and route certain signals on the PXI backplane.
Normally, you do not need to modify these settings. However, other
sections of this manual may indicate that modifications are necessary
and may lead to unpredictable behavior.
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APIC Routing—This item is valid only for Windows XP and 2000
and other modern operating systems. Select Enabled to initialize the
IOAPIC and local APIC in uniprocessor mode. Select Disabled to use
the legacy PIC for interrupt routing. The default setting is Enabled.
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PIRQx Routing—This setting selects the routing option for PXI/PCI
devices connected to PIRQx. This settings affects OSes that do not use
APIC routing. The default setting for all PIRQx options is IRQ10.
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