Summary Tables of Changes
Intel
®
Core™2 Extreme Quad-Core Processor QX6000
Δ
Sequence and 11
Intel
®
Core™2 Quad Processor Q6000
Δ
Sequence
Specification Update
NO B3 G0 Plan ERRATA
AK5 X X No Fix
DR3 Address Match on MOVD/MOVQ/MOVNTQ Memory Store
Instruction May Incorrectly Increment Performance
Monitoring Count for Saturating SIMD Instructions Retired
(Event CFH)
AK6 X Fixed
SYSRET May Incorrectly Clear RF (Resume Flag) in the
RFLAGS Register
AK7 X X No Fix
General Protection Fault (#GP) for Instructions Greater than
15 Bytes May be Preempted
AK8 X X No Fix
Pending x87 FPU Exceptions (#MF) Following STI May Be
Serviced Before Higher Priority Interrupts
AK9 X X No Fix The Processor May Report a #TS Instead of a #GP Fault
AK10 X Fixed
Debug Register May Contain Incorrect Information on a
MOVSS or POPSS Instruction Followed by SYSRET
AK11 X X No Fix
A Write to an APIC Register Sometimes May Appear to Have
Not Occurred
AK12 X X No Fix
Programming the Digital Thermal Sensor (DTS) Threshold
May Cause Unexpected Thermal Interrupts
AK13 X X No Fix
Count Value for Performance-Monitoring Counter
PMH_PAGE_WALK May be Incorrect
AK14 X X No Fix LER MSRs May be Incorrectly Updated
AK15 X X No Fix
Performance Monitoring Events for Retired Instructions
(C0H) May Not Be Accurate
AK16 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
AK17 X X No Fix
Using 2M/4M Pages When A20M# Is Asserted May Result in
Incorrect Address Translations
AK18 X X No Fix
Writing Shared Unaligned Data that Crosses a Cache Line
without Proper Semaphores or Barriers May Expose a
Memory Ordering Issue
AK19 X X No Fix
Code Segment Limit Violation May Occur on 4 Gigabyte
Limit Check
AK20 X Fixed FP Inexact-Result Exception Flag May Not Be Set
AK21 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
AK22 X Fixed
Sequential Code Fetch to Non-canonical Address May have
Non-deterministic Results
AK23 X Fixed
VMCALL to Activate Dual-monitor Treatment of SMIs and
SMM Ignores Reserved Bit settings in VM exit Control Field
AK24 X X No Fix The PECI Controller Resets to the Idle State
AK25 X X No Fix
Some Bus Performance Monitoring Events May Not Count
Local Events under Certain Conditions
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