Intel 550 LF80537NE0411M User Manual

Product codes
LF80537NE0411M
Page of 40
 
R
 
10 
  
Specification Update 
Steppings 
NO. 
B0 C1 D1 
Plans ERRATA 
V15 X 
 
 
Fixed 
Incorrect data may be returned when page tables are in Write 
Combining (WC) memory space 
V16 X 
X X 
NoFix 
Processor issues inconsistent transaction size attributes for locked 
operation 
V17 X 
 
 
Fixed 
Multiple accesses to the same S-state L2 cache line and ECC error 
combination may result in loss of cache coherency 
V18 
 
 
 
Fixed 
Processor may hang when resuming from Deep Sleep state 
V19 X X X NoFix 
When the processor is in the System Management Mode (SMM), 
debug registers may be fully writeable 
V20 X X X 
NoFix 
Associated counting logic must be configured when using Event 
Selection Control (ESCR) MSR 
V21 X X X 
NoFix 
IA32_MC0_ADDR and IA32_MC0_MISC Registers Will Contain 
Invalid or Stale Data Following a Data, Address, or Response Parity 
Error 
V22 
  Fixed 
CR2 May Be Incorrect or an Incorrect Page Fault Error Code May Be 
Pushed Onto Stack After Execution of an LSS Instruction 
V23 X   
 
Fixed 
BPM[5:3]# and GHI# V
IL 
Do Not Meet Specification 
V24 X 
X X 
NoFix 
Processor May Hang Under Certain Frequencies and 12.5% 
STPCLK# Duty Cycle 
V25 X X X NoFix 
System May Hang if a Fatal Cache Error Causes Bus Write Line 
(BWL) Transaction to Occur to the Same Cache Line Address as an 
Outstanding Bus Read Line (BRL) or Bus Read-Invalidate Line (BRIL) 
V26 X   
 
Fixed 
L2 Cache May Contain Stale Data in the Exclusive State 
V27 X 
X  
Fixed 
Re-mapping the APIC Base Address to a Value Less Than or Equal to 
0xDC001000 may Cause IO and Special Cycle Failure 
V28 X  X   Fixed 
Erroneous BIST Result Found in EAX Register After Reset 
V29 X   
 
Fixed 
Processor Does not Flag #GP on Non-zero Write to Certain MSRs 
V30 X X X NoFix 
Simultaneous Assertion of A20M# and INIT# may Result in Incorrect 
Data Fetch 
V31 X X X PlanFix  Processor 
Does 
not Respond to Break Requests From ITP 
V32 
 
 
Fixed 
Processor Signature Returns Incorrect Number of ITLB Entries 
V33 X X X NoFix 
A Write to APIC Registers Sometimes May Appear to Have Not 
Occurred 
V34 
 
 
Fixed 
Store to Load Data Forwarding may Result in Switched Data Bytes 
V35 
NoFix 
Parity Error in the L1 Cache may Cause the Processor to Hang 
V36 X X   Fixed 
The TCK Input in the Test Access Port (TAP) is Sensitive to Low 
Clock Edge Rates and Prone to Noise Coupling Onto TCK’s Rising or 
Falling Edges 
V37 X  X  X 
NoFix 
The State of the Resume Flag (RF Flag) in a Task-State Segment 
(TSS) May be Incorrect 
V38 X  X  X 
NoFix 
Changes to CR3 Register do not Fence Pending Instruction Page 
Walks 
V39 X  X  X 
NoFix 
System Bus Interrupt Messages without Data that Receive a