EP80579 Datasheet, PDF (594/1916 Pages) Intel Corporation – Intel® EP80579 Integrated Processor Product Line

Intel^® EP80579 Integrated Processor
16.4.1.77 Offset 158h: PEAUNITEDMASK - PCI Express* Unit Error Detect Mask
Register
This register is specific to the IMCH, and controls detection of the PCI Express*
functional unit error conditions. These bits are sticky through reset.
Table 16-216.Offset 158h: PEAUNITEDMASK - PCI Express Unit Error Detect Mask Register
(Sheet 1 of 2)
Description:
View: PCI 1
BAR: Configuration
Bus:Device:Function: 0:2:0
Offset Start: 158h
Offset End: 15Bh
View: PCI 2
BAR: Configuration
Bus:Device:Function: 0:3:0
Offset Start: 158h
Offset End: 15Bh
Size: 32 bit
Default: 00000000h
Power Well: Core
Bit Range
31 : 16
15
14
13
12
11
10
09
08
07
06
05
04 : 03
Bit Acronym
Bit Description
Sticky
Reserved Reserved
Upstream Posted Queue Overflow Detect Mask. This
bit is sticky through reset.
UPQODM _{0 = Enable upstream posted queue overflow detection.}
Y
1 = Disable upstream posted queue overflow detection.
Upstream Non-Posted Queue Overflow Detect Mask.
This bit is sticky through reset.
UNPQODM
0 = Enable upstream non-posted queue overflow
detection.
Y
1 = Disable upstream non-posted queue overflow
detection.
Upstream Completion Queue Overflow Detect Mask
This bit is sticky through reset.
UCQODM _{0 = Enable completion queue overflow detection.}
Y
1 = Disable completion queue overflow detection.
LLE Protocol Error Detect Mask This bit is sticky
through reset.
LLEPEDM _{0 = Enable LLE protocol error detection.}
Y
1 = Disable LLE protocol error detection.
MDLT
Mask detection of link transitions from DL_UP to
DL_DOWN:
0 = Enable link down error detection.
1 = Disable link down error detection.
Downstream Data Queue Parity Error Detect Mask
This bit is sticky through reset.
DDQPEDM 0 = Enable downstream data queue parity error detection. Y
1 = Disable downstream data queue parity error
detection.
Reserved Reserved
Reserved Reserved
Reserved Reserved
Reserved Reserved
Reserved Reserved.
Reserved Reserved
Bit Reset
Value
0000h
0b
0b
0b
0b
0b
0b
0b
0b
0b
0b
0b
0b
Bit Access
RW
RW
RW
RW
RW
RW
Intel^® EP80579 Integrated Processor Product Line Datasheet
594
August 2009
Order Number: 320066-003US