Intel E7-8891 v2 CM8063601377422 User Manual

Product codes
CM8063601377422
Page of 504
Intel
®
 Xeon
® 
Processor E7-2800/4800/8800 v2 Product Family
231
Datasheet Volume Two: Functional Description, February 2014
Integrated I/O (IIO) Configuration Registers
7:6
RW
0x3
attention_indicator_control:
If an Attention Indicator is implemented, writes to this field will set the 
Attention Indicator to the written state. Reads of this field reflect the value 
from the latest write, even if the corresponding hot-plug command is not 
executed yet at the VPP, unless software issues a write without waiting for 
the previous command to complete in which case the read value is 
undefined.
00: Reserved.
01: On
10: Blink (Processor drives 1 Hz square wave)
11: Off
IIO does not generated the Attention_Indicator_On/Off/Blink messages on 
PCI Express when this field is written to by software.
5:5
RW
0x0
hot_plug_interrupt_enable:
When set to 1b, this bit enables generation of Hot-Plug interrupt MSI or INTx 
interrupt depending on the setting of the MSI enable bit in MSICTRL on 
enabled Hot-Plug events, provided ACPI mode for hotplug is disabled.
0: disables interrupt generation on Hot-plug events
1: enables interrupt generation on Hot-plug events
4:4
RW
0x0
command_completed_interrupt_enable:
This field enables software notification Interrupt - MSI/INTx or WAKE when a 
command is completed by the Hot-plug controller connected to the PCI 
Express port
0: disables hot-plug interrupts on a command completion by a hot-plug 
Controller
1: Enables hot-plug interrupts on a command completion by a hot-plug 
Controller
3:3
RW
0x0
presence_detect_changed_enable:
This bit enables the generation of hot-plug interrupts or wake messages via a 
presence detect changed event.
0: disables generation of hot-plug interrupts or wake messages when a 
presence detect changed event happens.
1- Enables generation of hot-plug interrupts or wake messages when a 
presence detect changed event happens.
2:2
RW
0x0
mrl_sensor_changed_enable:
This bit enables the generation of hot-plug interrupts or wake messages via a 
MRL Sensor changed event.
0: disables generation of hot-plug interrupts or wake messages when an MRL 
Sensor changed event happens.
1: Enables generation of hot-plug interrupts or wake messages when an MRL 
Sensor changed event happens.
1:1
RW
0x0
power_fault_detected_enable:
This bit enables the generation of hot-plug interrupts or wake messages via a 
power fault event.
0: disables generation of hot-plug interrupts or wake messages when a 
power fault event happens.
1: Enables generation of hot-plug interrupts or wake messages when a 
power fault event happens.
Type:
CFG
PortID:
N/A
Bus:
0
Device:
0Function:0 (PCIe* Mode)
Bus:
0
Device:
2Function:0-3
Bus:
0
Device:
3Function:0-3
Offset:
0xa8
Bit
Attr
Default
Description
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