Intel U1300 LE80538UE0042M Data Sheet

Product codes
LE80538UE0042M
Page of 53
 
Summary Tables of Changes 
 
 
 
12
  
 Specification 
Update 
Stepping 
Number 
C0 D0 
Dual 
Core 
Only 
Plans ERRATA 
AE21 X X 
X  No 
Fix 
Disable Execution-Disable Bit (IA32_MISC_ENABLES [34]) Is 
Shared between Cores 
AE22 X X 
 
No 
Fix 
Last Branch Records (LBR) Updates May Be Incorrect after a 
Task Switch 
AE23 X X 
 
No 
Fix 
Address Reported by Machine-Check Architecture (MCA) on 
Single-Bit L2 ECC Errors May Be Incorrect 
AE24 X X 
 
No 
Fix 
Disabling of Single-Step On Branch Operation May Be Delayed 
following a POPFD Instruction 
AE25 X X 
 
No 
Fix 
Performance Monitoring Counters That Count External Bus 
Events May Report Incorrect Values after Processor Power 
State Transitions 
AE26 X X 
 
No 
Fix 
VERW/VERR/LSL/LAR Instructions May Unexpectedly Update 
the Last Exception Record (LER) MSR 
AE27 X X 
 
No 
Fix 
General Protection (#GP) Fault May Not Be Signaled on Data 
Segment Limit Violation above 4-G Limit 
AE28 X X 
 
No 
Fix 
Performance Monitoring Events for Retired Floating Point 
Operations (C1h) May Not Be Accurate 
AE29 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) 
AE30 X X 
 
No 
Fix 
Global Pages in the Data Translation Look-Aside Buffer (DTLB) 
May Not Be Flushed by RSM instruction before Restoring the 
Architectural State from SMRAM 
AE31 X X 
 
No 
Fix 
Data Breakpoint/Single Step on MOV SS/POP SS May Be Lost 
after Entry into SMM 
AE32 X X 
 
No 
Fix 
Code Segment Limit/Canonical Faults on RSM May be Serviced 
before Higher Priority Interrupts/Exceptions and May Push the 
Wrong Address Onto the Stack 
AE33 X   
 
Fixed 
Hardware Prefetch Performance Monitoring Events May Be 
Counted Inaccurately 
AE34 X X 
 
No 
Fix 
Pending x87 FPU Exceptions (#MF) following STI May Be 
Serviced before Higher Priority Interrupts 
AE35 X X 
 
No 
Fix 
Programming the Digital Thermal Sensor (DTS) Threshold May 
Cause Unexpected Thermal Interrupts 
AE36 
 
 Fixed  
CPU_CLK_UNHALTED Performance Monitoring Event (3CH) 
Counts Clocks When the Processor Is in the C1/C2 Processor 
Power States 
AE37 
 
No Fix 
The Processor May Report a #TS Instead of a #GP Fault 
AE38 
 
No Fix 
BTS Message May Be Lost When the STPCLK# Signal Is Active 
AE39 X X 
 
No 
Fix 
Certain Performance Monitoring Counters Related to Bus, L2 
Cache and Power Management Are Inaccurate