Datasheet

Summary Tables of Changes
Specification Update 33
Number
Stepping
Stepping
Stepping
Plans
ERRATA
E-1
M-1
G-2
AH82
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
AH84
X
X
X
No Fix
Non-Temporal Data Store May Be Observed in Wrong Program
Order
AH85
X
X
X
No Fix
Fault on ENTER Instruction May Result in Unexpected Values on
Stack Frame
AH86
X
X
Fixed
CPUID Reports Architectural Performance Monitoring Version 2 is
Supported, When Only Version 1 Capabilities are Available
AH87
X
X
X
No Fix
Unaligned Accesses to Paging Structures May Cause the Processor
to Hang
AH88
X
X
X
No Fix
Microcode Updates Performed During VMX Non-root Operation
Could Result in Unexpected Behavior
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
Fixed
Update of Attribute Bits on Page Directories without Immediate
TLB Shootdown May Cause Unexpected Processor Behavior
AH92
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
AH94
Fixed
Performance Monitoring Counter MACRO_INSTS.DECODED May
Not Count Some Decoded Instructions
AH95
X
X
Fixed
The Stack May be Incorrect as a Result of VIP/VIF Check on
SYSEXIT and SYSRET
AH96
X
X
X
No Fix
Performance Monitoring Event SIMD_UOP_TYPE_EXEC.MUL is
Counted Incorrectly for PMULUDQ Instruction
AH97
X
X
X
No Fix
Storage of PEBS Record Delayed Following Execution of MOV SS or
STI
AH98
X
X
X
No Fix
Updating Code Page Directory Attributes without TLB Invalidation
May Result in Improper Handling of Code #PF
AH99
X
X
Fixed
Performance Monitoring Event CPU_CLK_UNHALTED.REF May Not
Count Clock Cycles According to the Processors Operating
Frequency
AH100
X
X
X
Plan Fix
Store Ordering May be Incorrect between WC and WP Memory
Types
AH101
Fixed
(E)CX May Get Incorrectly Updated When Performing Fast String
REP STOS With Large Data Structures