Copyright
©
2015
congatec
AG
PA3Cm11
74/81
8.5
Chipset Setup
Select the Boot tab from the setup menu to enter the Boot setup screen.
8.5.1
North Bridge Submenu
Feature
Options
Description
Memory Information
Total Memory
No option
Displays total amount of memory detected by the system
Memory Slot 0
No option
Displays memory detected by the system on slot 0.
Memory Slot 1
No option
Displays memory detected by the system on slot 1
Max TOLUD
Dynamic
2 GB, 2.25 GB, 2.5 GB,
2.75 GB, 3 GB
Set the maximum Top of Low Usable DRAM (TOLUD).
Aperture Size
128MB,
256MB
, 512MB
Select aperture size.
PAVC
Enable
Disable
Enable or disable Protected Audio Video Control (PAVC).
8.5.2
South Bridge Submenu
Feature
Options
Description
►
Azalia HD Audio
Submenu
Opens the Azalia HD Audio submenu.
►
USB
Submenu
Opens the USB submenu.
►
PCI Express Configuration
Submenu
Opens the PCIe configuration submenu.
High Precision Timer
Enabled
Disabled
Enable high precision event timer.
Serial IRQ
Quiet
Continuous
Configure IRQ serial mode.
Global SMI Lock
Enabled
Disabled
Enable or disable SMI lock.
BIOS Read/Write Protection
Enable
Disable
Enable BIOS SPI region read/write protection.
Isolate SMBus Segments
Never
During POST
Always
Allows to isolate the off-module/external SMBus segment from the on-module SMBus segment.
This can be a workaround for non-spec conform external SMBus devices.