725
Incorrect
APIC
Remote
Read
Behavior
Description
The
processor
may
provide
incorrect
APIC
register
data
on
an
APIC
remote
register
read
.
A
remote
read
is
performed
using
Interrupt
Command
Register
Low
[
MsgType
]
of
011
b
(
APIC
300[10:8]).
The
processor
may
,
but
does
not
always
,
provide
an
error
indication
in
the
remote
read
status
field
(
APIC
300[17:16]).
This
erratum
does
not
impact
the
use
of
remote
APIC
reads
by
BIOS
during
early
power-on-self-test
(
POST
)
when
the
remote
read
is
performed
for
addresses
APIC
300
-APIC
3
F
0.
Potential
Effect
on
System
None
expected
,
as
it
is
anticipated
that
no
software
other
than
BIOS
uses
remote
APIC
reads
.
Suggested
Workaround
Software
should
not
use
remote
APIC
reads
.
Fix
Planned
No
fix
planned
Revision
Guide
for
AMD
Family
15
h
Models
00
h-
0
Fh
Processors
48063
Rev
. 3.18
October
2012
80
Product
Errata