QG5000XSL9TH Datasheet, PDF (145/458 Pages) Intel Corporation – Intel 5000X Chipset Memory Controller Hub (MCH)

Register Description
3.8.11.6
Device:
Function:
Offset:
Version:
Device:
Function:
Offset:
Version:
Device:
Function:
Offset:
Version:
0, 2-3
0
76h
Intel 5000P Chipset, Intel 5000V Chipset, Intel 5000Z Chipset
4-5
0
76h
Intel 5000Z Chipset
4-7
0
76h
Intel 5000P Chipset
Bit
Attr
Default
Description
4
RO
3
RWC
2
RWC
1
RWC
0
RWC
0
APD: AUX Power Detected
1- AUX power is detected by the PCI Express port.
0: No AUX power is detected
0
URD: Unsupported Request Detected
This bit indicates that the device received an Unsupported Request in the PCI
Express port. Errors are logged in this register regardless of whether error
reporting is enabled or not in the Device Control Register.
1: Unsupported Request detected at the port
This records the detection of receiving an unsupported request, error IO2.
0
FED: Fatal Error Detected
This bit indicates that status of a fatal (uncorrectable) error detected in the PCI
Express port. Errors are logged in this register regardless of whether error
reporting is enabled or not in the Device Control register.
1: Fatal errors detected
0: No Fatal errors detected
0
NFED: Non Fatal Error Detected
This bit indicates status of non-fatal errors detected. This bit gets set if a non-
fatal uncorrectable error is detected in the PCI Express port. Errors are logged
in this register regardless of whether error reporting is enabled or not in the
Device Control register.
1: Non Fatal errors detected
0: No non-Fatal Errors detected
0
CED: Correctable Error Detected
This bit indicates status of correctable errors detected. This bit gets set if a
correctable error is detected in the PCI Express port. Errors are logged in this
register regardless of whether error reporting is enabled or not in the PCI
Express Device Control register.
1: Correctable errors detected
0: No correctable errors detected
PEXLNKCAP[7:2,0] - PCI Express Link Capabilities Register
The Link Capabilities register identifies the PCI Express specific link capabilities.
Intel^® 5000X Chipset Memory Controller Hub (MCH) Datasheet
145