■
64-Bit Memory Mapped IO—This setting enables or disables support for
memory-mapped I/O above the 4 GB boundary. It can be useful when using a
64-bit OS and a large number of PCI devices. The default value is Enabled.
■
PCIe Max Payload Size—This setting determines the maximum payload size
of PCI Express devices. Valid options are Auto and 128 Bytes. The default value
is Auto, which allows the BIOS to choose an optimal value based on which
devices are present.
■
PCIe Max Read Request Size—This setting determines the maximum size
of memory read requests for PCI Express devices. Valid options range from
128 bytes to 4096 bytes. The default value is 4096 bytes, which allows the BIOS
to choose an optimal value based on which devices are present.
■
PCI System Error Reporting—This setting enables/disables reporting of PCI
system errors. The default value is Enabled.
USB Configuration Submenu
Use this submenu to apply alternate configurations to the USB ports.
■
USB Devices
—This item lists the total number of devices detected in the
system, categorized by device type.
■
Legacy USB Support
—This setting specifies whether legacy USB support
is enabled. Legacy USB support refers to the ability to use a USB keyboard and
mouse during system boot or in a legacy operating system such as DOS. The
default value is
Enabled
. This option is disabled automatically when booting
LabVIEW Real-Time to reduce application jitter.
■
Overcurrent Reporting
—This setting allows the BIOS to notify the
operating system of any USB ports which sources too much current. The
default value for this setting is
Disabled
.
■
Transfer Timeout
—This setting specifies the timeout value for Control,
Bulk, and Interrupt USB transfers. The default value for this setting is 20
seconds.
■
Device Reset Timeout
—This setting specifies the number of seconds the
Power-On Self Test waits for a USB mass storage device to start. The default is
20 seconds.
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PXIe-8822/42/62 Getting Started
