Chapter 2
Installation and Configuration
©
National Instruments Corporation
2-9
that may be hot-plugged in the ExpressCard slot. This setting is only
applicable if
ExpressCard Hot-Plug Resources
is set to
Enabled
.
The default value for this setting is
8
PCI buses.
•
I/O
—This setting determines the amount of I/O space, in bytes, that
will be reserved by the BIOS for PCI-PCI bridges that may be
hot-plugged in the ExpressCard slot. This setting is only applicable if
ExpressCard Hot-Plug Resources
is set to
Enabled
. The default
value for this setting is
4096
bytes of I/O space.
•
Memory
—This setting determines the amount of memory space, in
bytes, that will be reserved by the BIOS for PCI-PCI bridges that may
be hot-plugged in the ExpressCard slot. This setting is only applicable
if
ExpressCard Hot-Plug Resources
is set to
Enabled
. The default
value for this setting is
32
megabytes of memory.
•
Pre-fetchable Memory
—This setting determines the amount of
pre-fetchable memory space, in bytes, that will be reserved by the
BIOS for PCI-PCI bridges that may be hot-plugged in the ExpressCard
slot. This setting is only applicable if
ExpressCard Hot-Plug
Resources
is set to
Enabled
. The default value for this setting is
32
megabytes of pre-fetchable memory.
PXI Setup Menu
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.
•
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
.
•
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
.
•
Per-Slot Device Settings
—This setting brings up the
Per-Slot Device
Settings
submenu. Refer to the
Per-Slot Device Settings Submenu
section.
Per-Slot Device Settings Submenu
Use this menu to configure options that can be modified for individual PCI
devices in a PXI chassis.
