User`s guide
Copyright © 2008 congatec AG B915m10 74/92
Chipset Conguration Submenu9.4.5
Feature Options Description
DRAM Frequency Auto
400MHz
Allow to manually limit the maximum DRAM frequency to 400MHz.
Memory Hole Disabled
15MB-16MB
Enable or disable the memory hole between 15MB and 16MB. If enabled, accesses to this range are forwarded to the
LPC / PCI bus.
IOAPIC Disabled
Enabled
Enable / Disable ICH6M IOAPIC function.
APIC ACPI SCI IRQ Disabled
Enabled
If set to Disabled IRQ9 is used for the SCI.
If set to Enabled IRQ20 is used for the SCI.
C4 On C3 Disabled
Enabled
If enabled the CPU is put to C4 state, when the ACPI OS initiates a transition to C3, for additional power saving at
“Desktop Idle Mode”.
DMI Power Management Disabled
Enabled
Control whether the DMI link interface between Northbridge and Southbridge can go to a lower power state.
Active State Power Management Disabled
Enabled
Enable or disable PCI Express L0s and L1 link power states.
PCI Express Port 0 Enabled
Disabled
PCI Express Port 1 Enabled
Disabled
PCI Express Port 2 Enabled
Disabled
Reserve PCIE Hotplug Resources No
Yes
Reserve I/O and memory resources for empty PCI Express slots. Setting a PCI Express port to Enabled and reserving
resources is required for ExpressCard hotplug support on the respective port.
I/O None
4K
8K
16K
Number of I/O addresses to reserve for each enabled but empty PCI Express slot.
Memory None
1MB
32MB
128MB
Amount of memory to reserve for each enabled but empty PCI Express slot.
Prefetchable Memory None
1MB
32MB
128MB
Amount of prefetchable memory to reserve for each enabled but empty PCI Express slot.