Datasheet

Summary Tables of Changes
Specification Update 39
Number
Stepping
Stepping
Stepping
Plans
Errata
A-1
E-1
M-1
AH67
X
X
X
No Fix
Performance Monitoring Event FP_ASSIST May Not Be Accurate
AH68
X
Fixed
CPL-Qualified BTS May Report Incorrect Branch-From Instruction
Address
AH69
X
Fixed
PEBS Does Not Always Differentiate Between CPL-Qualified
Events
AH70
X
X
X
No Fix
PMI May Be Delayed to Next PEBS Event
AH71
X
Fixed
PEBS Buffer Overflow Status Will Not Be Indicated Unless
IA32_DEBUGCTL[12] Is Set
AH72
X
X
X
No Fix
The BS Flag in DR6 May Be Set for Non-Single-Step #DB
Exception
AH73
X
X
X
No Fix
An Asynchronous MCE during a Far Transfer May Corrupt ESP
AH75
X
X
X
No Fix
B0-B3 Bits in DR6 May Not Be Properly Cleared after Code
Breakpoint
AH76
X
X
X
No Fix
BTM/BTS Branch-From Instruction Address May Be Incorrect for
Software Interrupts
AH77
X
Fixed
REP Store Instructions in a Specific Situation May Cause the
Processor to Hang
AH78
X
X
X
No Fix
Performance Monitor SSE Retired Instructions May Return
Incorrect Values
AH79
X
X
X
No Fix
Performance Monitoring Events for L1 and L2 Miss May Not Be
Accurate
AH80
No Fix
Erratum Removed
AH81
X
X
X
No Fix
A MOV Instruction from CR8 Register with 16 Bit Operand Size Will
Leave Bits 63:16 of the Destination Register Unmodified
AH82
X
Fixed
Debug Register May Contain Incorrect Information on a MOVSS or
POPSS Instruction followed by SYSRET
AH83
X
X
X
No Fix
Single Step Interrupts with Floating Point Exception Pending May
Be Mishandled
AH85
X
X
X
No Fix
Fault on ENTER Instruction May Result in Unexpected Values on
Stack Frame
AH87
X
X
X
No Fix
Unaligned Accesses to Paging Structures May Cause the
Processor to Hang
AH89
X
X
X
No Fix
INVLPG Operation for Large (2M/4M) Pages May Be Incomplete
under Certain Conditions
AH90
X
X
X
No Fix
Page Access Bit May Be Set Prior to Signaling a Code Segment
Limit Fault
AH91
X
X
X
Plan Fix
Update of Attribute Bits on Page Directories without Immediate
TLB Shootdown May Cause Unexpected Processor Behavior
AH92
X
Fixed
Invalid Instructions May Lead to Unexpected Behavior
AH93
X
X
X
No Fix
EFLAGS, CR0, CR4 and the EXF4 Signal May Be Incorrect after
Shutdown