Specification Update
R
Mobile IntelĀ® CeleronĀ® Processor Specification Update 19
NO.
BA2
PA2
MA2
BB0
PB0
MB0
BC0
PC0
MC0
BD0
PD0
FBDO
FPDO
FBA1
FPA1
FBB1
FPB1
Plans
ERRATA
M80 X XX X X X XXXXXXXXX X X
NoFix
Page with PAT (Page Attribute
Table) Set to USWC (Uncacheable
Speculative Write Combine) While
Associated MTRR (Memory Type
Range Register) is UC
(Uncacheable) May Consolidate to
UC
M81 X XX X X X XXXXXXXXX X X
NoFix
Under Certain Conditions LTR (Load
Task Register) Instruction May
Result in System Hang
M82 X XX X X X XXXXXXXXX X X
NoFix
Loading from Memory Type USWC
(Uncacheable Speculative Write
Combine) May Get Its Data
Internally Forwarded from a
Previous Pending Store
M83 X XX X X X XXXXXXXXXXX
NoFix
FPU Operand Pointer May Not be
Cleared Following FINIT/FNINT
M84 X XX X X X XXXXXXXXXXX
NoFix
FSTP (Floating Point
Store) Instruction Under Certain
Conditions May Result In
Erroneously Setting a Valid Bit on an
FP (Floating Point) Stack Register
M85 X XX X X X XXXXXXXXXXX
NoFix
Invalid Entries in Page-Directory-
Pointer-Table Register (PDPTR)
May Cause General Protection
(#GP) Exception if the Reserved Bits
are Set to One
M86 X XX X X X XXXXXXXXXXX
NoFix
Writing the Local Vector Table (LVT)
when an Interrupt is Pending May
Cause an Unexpected Interrupt
M87 X XX X X X XXXXXXXXXXX
NoFix
The Processor May Report an
Invalid TSS Fault Instead of a #GP
Fault
M88 X XX X X X XXXXXXXXXXX
NoFix
A Write to an APIC Register
Sometimes May Appear to Have Not
Occurred
M89 X XX X X X XXXXXXXXXXX
NoFix
Using 2M/4M Pages When A20M#
Is Asserted May Result in Incorrect
Address Translations
M90 X X X X X X X X X X X X X X X X X NoFix
Values for LBR/BTS/BTM will be
Incorrect after an Exit from SMM
M91 X X X X X X X X X X X X X X X X X NoFix
INIT Does Not Clear Global Entries
in the TLB
M92 X X X X X X X X X X X X X X X X X NoFix
REP MOVS/STOS Executing with
Fast Strings Enabled and Crossing
Page Boundaries with Inconsistent
Memory Types may use an Incorrect
Data Size or Lead to Memory-
Ordering Violations
M93 X X X X X X X X X X X X X X X X X NoFix
The BS Flag in DR6 May be Set for
Non-Single-Step #DB Exception