Specifications

Summary Tables of Changes
Intel
®
Core™2 Extreme Processor X6800 and
Intel
®
Core™2 Duo Desktop Processor E6000 and E4000 Sequence 11
Specification Update
NO B1 B2 L2 M0 G0 Plan ERRATA
AI10 X X X X X No Fix
Single Step Interrupts with Floating Point Exception Pending
May Be Mishandled
AI11 X X X X X No Fix
A Write to an APIC Register Sometimes May Appear to Have
Not Occurred
AI12 X X X X X No Fix
Programming the Digital Thermal Sensor (DTS) Threshold May
Cause Unexpected Thermal Interrupts
AI13 X X X X X No Fix
Count Value for Performance-Monitoring Counter
PMH_PAGE_WALK May be Incorrect
AI14 X X X X X No Fix LER MSRs May be Incorrectly Updated
AI15 X X X X X No Fix
Performance Monitoring Events for Retired Instructions (C0H)
May Not Be Accurate
AI16 X X X X X No Fix
Performance Monitoring Event For Number Of Reference Cycles
When The Processor Is Not Halted (3CH) Does Not Count
According To The Specification
AI17 X X X X X No Fix
Using 2M/4M Pages When A20M# Is Asserted May Result in
Incorrect Address Translations
AI18 X X X X X No Fix
Writing Shared Unaligned Data that Crosses a Cache Line
without Proper Semaphores or Barriers May Expose a Memory
Ordering Issue
AI19 X X X X X No Fix
Code Segment Limit Violation May Occur on 4 Gigabyte Limit
Check
AI20 X X X X Fixed FP Inexact-Result Exception Flag May Not Be Set
AI21 X X X X Fixed
Global Pages in the Data Translation Look-Aside Buffer (DTLB)
May Not Be Flushed by RSM instruction before Restoring the
Architectural State from SMRAM
AI22 X X X X Fixed
Sequential Code Fetch to Non-canonical Address May have
Non-deterministic Results
AI23 X X X X Fixed
VMCALL to Activate Dual-monitor Treatment of SMIs and SMM
Ignores Reserved Bit settings in VM-exit Control Field
AI24 X X X X X No Fix The PECI Controller Resets to the Idle State
AI25 X X X X X No Fix
Some Bus Performance Monitoring Events May Not Count Local
Events under Certain Conditions
AI26 X X X X X No Fix
Premature Execution of a Load Operation Prior to Exception
Handler Invocation
AI27 X X X X X No Fix
General Protection (#GP) Fault May Not Be Signaled on Data
Segment Limit Violation above 4-G Limit
AI28 X X X X X No Fix EIP May be Incorrect after Shutdown in IA-32e Mode
AI29 X X X X X No Fix
#GP Fault is Not Generated on Writing IA32_MISC_ENABLE
[34] When Execute Disable Bit is Not Supported
AI30 X X Fixed
(E)CX May Get Incorrectly Updated When Performing Fast
String REP MOVS or Fast String REP STOS With Large Data
Structures