Intel E7-8891 v2 CM8063601377422 用户手册

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CM8063601377422
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页码 504
Intel
®
 Xeon
® 
Processor E7-2800/4800/8800 v2 Product Family
423
Datasheet Volume Two: Functional Description, February 2014
Integrated I/O (IIO) Configuration Registers
14.8.2
DID
14.8.3
PCICMD
Type:
CFG
PortID:
N/A
Bus:
0
Device:
5Function:2
Offset:
0x2
Bit
Attr
Default
Description
15:0
RO
0xe2a
device_identification_number:
Device ID values vary from function to function. Bits 15:8 are equal to 0x0E.
Type:
CFG
PortID:
N/A
Bus:
0
Device:
5Function:2
Offset:
0x4
Bit
Attr
Default
Description
15:11
RV
-
Reserved. 
10:10
RO
0x0
intx_disable:
N/A for these devices
9:9
RO
0x0
fast_back_to_back_enable:
Not applicable to PCI Express and is hardwired to 0
8:8
RO
0x0
serr_enable:
This bit has no impact on error reporting from these devices
7:7
RO
0x0
idsel_stepping_wait_cycle_control:
Not applicable to internal devices. Hardwired to 0.
6:6
RO
0x0
parity_error_response:
This bit has no impact on error reporting from these devices
5:5
RO
0x0
vga_palette_snoop_enable:
Not applicable to internal devices. Hardwired to 0.
4:4
RO
0x0
memory_write_and_invalidate_enable:
Not applicable to internal devices. Hardwired to 0.
3:3
RO
0x0
special_cycle_enable:
Not applicable. Hardwired to 0.
2:2
RO
0x0
bus_master_enable:
Hardwired to 0 since these devices don’t generate any transactions
1:1
RO
0x0
memory_space_enable:
Hardwired to 0 since these devices don’t decode any memory BARs
0:0
RO
0x0
io_space_enable:
Hardwired to 0 since these devices don’t decode any I/O BARs