Copyright
©
2010
congatec
AG
QTOPm14
68/80
Feature
Options
Description
Reserved Interrupt 2
None
IRQ3
IRQ4
IRQ6
IRQ7
IRQ10
IRQ11
IRQ14
IRQ15
Reserves additional IRQ for custom purposes.
PIRQ Routing
submenu
Extended Tag
Disabled
Enabled
Allows device to use 8-bit tag field as a requester.
No Snoop
Disabled
Enabled
Enables or Disables PCI Express Device no snoop option.
Maximum Payload
Auto
, 128, 256, 512,
1024, 2048, 4096
Sets the maximum payload value on bytes or allows the system BIOS to select the value.
Maximum Read Request
Auto
, 128, 256, 512,
1024, 2048, 4096
Sets the maximum read request value on bytes or allows the system BIOS to select the value.
Automatic ASPM
Disabled
Enabled
Enables or disables ASPM on reported capabilities and known issues.
Extended Synch
Disabled
Enabled
Enables or disables the generation of extended synchronization patterns.
10.5.4
PCI Express Ports 1-4 Configuration Submenu
Feature
Options
Description
PCI Express Root Port 0..3
Disabled
Enabled
Controls the PCI Express Root port.
10.5.5
PIRQ Routing Submenu
Feature
Options
Description
PIRQA...H
Auto
IRQ3
IRQ4
IRQ6
IRQ7
IRQ10
IRQ11
IRQ14
IRQ15
Sets Interrupt for selected PIRQ. Refer to the board’s Resource List for a detailed description of devices
connected to the respective PIRQ.
This setup node is only effective while operating in PIC (non IOAPIC) interrupt mode.