Copyright
©
2013
congatec
AG
TU87m10
79/108
Feature
Options
Description
Generate EXCD0/1_PERST# Disabled
1ms
5ms
10ms
50ms
100ms
150ms
200ms
250ms
Select whether the COM Express EXCD0_PERST# and EXCD1_PERST# pins should be driven low during POST
and how long it will be, if enabled.
►PCI Express Settings
submenu
PCI Express device and link settings.
►PIRQ Routing & IRQ
Reservation
submenu
Manual PIRQ routing and interrupt reservation for legacy devices.
PCIE Root Port Function
Swapping
Disabled
Enabled
Enable or disable PCI Express root port function swapping.
Subtractive Decode
Disabled
Enabled
Enable or disable PCI Express subtractive decode.
►PCI Express Port 0
submenu
Opens the PCI Express Port submenu
►PCI Express Port 1
submenu
Opens the PCI Express Port submenu
►PCI Express Port 2
submenu
Opens the PCI Express Port submenu
►PCI Express Port 3
submenu
Opens the PCI Express Port submenu
10.4.5.1 PCI Express Settings Submenu
Feature
Options
Description
Relaxed Ordering
Disabled
Enabled
Enable or disable PCI Express device relaxed ordering.
Extended Tag
Disabled
Enabled
If enabled a device may use an 8-bit tag filed as a requester.
No Snoop
Disabled
Enabled
Enable or disable PCI Express device 'No Snoop' option.
Maximum Payload
Auto
128 Bytes
256 Bytes
512 Bytes
1024 Bytes
2048 Bytes
4096 Bytes
Set maximum payload of PCI Express devices or allow system BIOS to select the value.