DFI EL330-DR - Manual (Page 68)

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3
BIOS Setup
Memory Hole At 15M-16M
In order to improve system performance, certain space in memory can
be reserved for ISA cards. This memory must be mapped into the
memory space below 16MB. When enabled, the CPU assumes the 15-
16MB memory range is allocated to the hidden ISA address range
instead of the actual system DRAM. When disabled, the CPU assumes
the 15-16MB address range actually contains DRAM memory. If more
than 16MB of system memory is installed, this field must be disabled
to provide contiguous system memory.
PCI Express Root Port Func
The settings on the screen are for reference only. Your version may not be
identical to this one.
Phoenix - AwardBIOS CMOS Setup Utility
PCI Express Root Port Func
PCI Express Port 1
Onboard Lan1 Control
Onboard Lan2 Control
PCI-E Compliancy Mode Item Help
Menu Level XX
Auto
Auto
Disabled
v1.0a
↑↓→← : Move Enter: Select F1: General Help +/-/PU/PD: Value F10: Save ESC: Exit
F5: Previous Values F6: Fail-Safe Defaults F7: Optimized Defaults
PCI Express Port 1
This field is used to enable or disable the PCI Express port function.
Onboard Lan1 Control and Onboard Lan2 Control
These fields are used to enable or disable the onboard LAN
controllers.
PCI-E Compliancy Mode
This field is used to select the mode for the PCI Express add-in
card.
VT-d
The optioins are Enabled and Disabled.