Copyright
©
2013
congatec
AG
TU87m10
82/108
Feature
Options
Description
Reserved Memory
1-20
Default :
10
Reserved memory range for this root bridge.
Prefetchable Memory
1-20
Default :
10
Prefetchable memory range for this root bridge.
Reserved I/O
4-20
Default :
4
Reserved I/O range for this root bridge.
PCIe LTR
Disabled
Enabled
Enable or disable PCI Express Latency Tolerance Reporting (LTR).
PCIe LTR Lock
Disabled
Enabled
PCIe LTR configuration lock.
Snoop Latency Override
Disabled
Manual
Auto
Snoop latency override for PCH PCIe.
Snoop Latency Multiplier
1 ns, 32 ns,
1024 ns
32768 ns, 1048576 ns
33554432 ns
Snoop latency multiplier for PCH PCIe.
Snoop Latency Value
0-252
Default :
60
Snoop latency value for PCH PCIe.
No-Snoop Latency Override
Disabled
Manual
Auto
No-Snoop latency override for PCH PCIe.
No-Snoop Latency Multiplier
1 ns, 32 ns, 1024
ns
32768 ns, 1048576 ns
33554432 ns
No-Snoop latency multiplier for PCH PCIe.
No-Snoop Latency Value
0-252
Default :
60
No-Snoop latency override for PCH PCIe.
10.4.6
ACPI Submenu
Feature
Options
Description
Hibernation Support
Disabled
Enabled
Enable or disable system ability to hibernate (operating system S4 sleep state). This option may not be
effective with some operating systems.
ACPI Sleep State
Suspend Disabled
S1 only (CPU Stop Clock)
S3 (Suspend to RAM)
Both S1 and S3 available for
OS to choose from
Select the state used for ACPI system sleep/suspend.
Lock Legacy Resources
Disabled
Enabled
Enable or disable locking of legacy resources.
S3 Video Repost
Disabled
Enabled
Enable or disable video BIOS re-post on S3 resume. Required by some operating systems.
ACPI Low Power S0 Idle
Disabled
Enabled
Enable or disable ACPI Low Power S0 Idle support.