User Guide

Summary Tables of Changes
Specification Update 21
Erratum
ID
Processor Line / Stepping
Status
Title
KBL-Y KBL-U KBL-H KBL-S
H-0 H-0
iHDCP2.2
H-0 H-0
iHDCP
2.2
J-1
(23e)
B-0 B-0
KBL075
X X
X X X X X No Fix
Camera Device Does Not Issue an
MSI When INTx is Enabled
KBL076
X
X No Fix
An x87 Store Instruction Which Pends
#PE May Lead to Unexpected
Behavior When EPT A/D is Enabled.
KBL077
X
X
No Fix
Use of VMASKMOV to Store When
Using EPT May Fail
KBL078
X X
X X X No Fix
PECI May Not be Functional After
Package C10 Resume
KBL079
X X No Fix
Attempts to Retrain a PCIe* Link May
be Ignored
KBL080
X X Fixed
PCIe* Expansion ROM Base Address
Register May be Incorrect
KBL081
X X No Fix
PCIe* Port Does Not Support DLL Link
Activity Reporting
KBL082
X X
X X X X X No Fix
BNDLDX And BNDSTX May Not Signal
#GP on Non-Canonical Bound
Directory Access
KBL083
X X
X X X X X No Fix
RING_PERF_LIMIT_REASONS May be
Incorrect
KBL084
X X No Fix
Processor May Exceed VCCCore
ICCMAX During Multi-core Turbo
KBL085
X X X X X X X No Fix
Performance Monitoring Load Latency
Events May Be Inaccurate For Gather
Instructions
KBL086
X No Fix
EDRAM Corrected Error Events May
Not be Properly Logged After a Warm
Reset
KBL087
X X X X X No Fix
Unpredictable System Behavior May
Occur When System Agent Enhanced
Intel® Speedstep® is Enabled
KBL088
X X X X X X X No Fix
Processor May Hang Under Complex
Scenarios
KBL089
X X X X X X X No Fix
Some Bits in MSR_MISC_PWR_MGMT
May be Updated on Writing Illegal
Values to This MSR
KBL090
X X X X X X X No Fix
Violations of Intel® Software Guard
Extensions (Intel® SGX) Access-
Control Requirements Produce #GP
Instead of #PF