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