Intel SL3QA - Pentium III 550 MHz Processor Specification page 17

Summary Tables of Changes
kB kC cA
NO. 0 0 2
X X X
E85
E86 X X X
E87 X X X
E88 X X X
E89 X X X
E90 X X X
E91 X X X
E92 X X X
E93 X X X
E94 X X X
E95 X X X
E96 X X X
E97 X X X
E98 X X X
Specification Update
cB cC cD tA tB
0 0 0 1 1
X X X X X
X X X X X
X X X X X
X X X X X
X X X X X
X X X X X
X X X X X
X X X X X
X X X X X
X X X X X
X X X X X
X X X X X
X X X X X
X X X X X
Plans
NoFix The FXSAVE, STOS, MOVS Instructions May
Cause a Store Ordering Violation When Data
Crosses a Page with a UC Memory Type
POPF and POPFD Instructions that Set the
NoFix Trap Flag Bit May Cause Unpredictable
Processor Behavior
Code Segment Limit Violation May Occur on
NoFix
4 Gbyte Limit Check
FST Instruction with Numeric and Null
Segment Exceptions May Cause General
NoFix
Protection Faults to be Missed and FP Linear
Address (FLA) Mismatch
Code Segment is Wrong on SMM Handler
NoFix
when SMBASE is not Aligned
Page with PAT (Page Attribute Table) Set to
USWC (Uncacheable Speculative Write
NoFix Combine) While Associated MTRR (Memory
Type Range Register) is UC (Uncacheable)
May Consolidate to UC
Under Certain Conditions LTR (Load Task
NoFix Register) Instruction May Result in System
Hang
Loading from Memory Type USWC
(Uncacheable Speculative Write Combine)
NoFix
May Get Its Data Internally Forwarded From
a Previous Pending Store
FXSAVE after FNINIT Without an Intervening
FP (Floating Point) Instruction May Save
Uninitialized Values for FDP (x87 FPU
NoFix
Instruction Operand (Data) Pointer Offset)
and FDS (x87 FPU Instruction Operand
(Data) Pointer Selector)
FSTP (Floating Point Store) Instruction Under
Certain Conditions May Result In Erroneously
NoFix
Setting a Valid Bit on an FP (Floating Point)
Stack Register
Invalid Entries in Page-Directory-Pointer-
Table-Register (PDPTR) May Cause General
NoFix
Protection (#GP) Exception if the Reserved
Bits are Set to One
Writing the Local Vector Table (LVT)
NoFix when an Interrupt is Pending May Cause an
Unexpected Interrupt
The Processor May Report a #TS Instead of
NoFix
a #GP Fault
A Write to an APIC Register Sometimes May
NoFix
Appear to Have Not Occurred
ERRATA
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