Chapter
4:
UEFI
BIOS
Memory
Configuration
Memory
Clock
This
setting
allows
you
to
select
different
memory
clock
speed.
Options
include
Auto
and
supported
frequencies.
Memory
Interleaving
This
setting
controls
fabric
level
memory
interleaving.
Note
that
the
channel,
die
and
socket
have
requirements
on
memory
populations
and
it
will
be
ignored
if
the
memory
doesn't
support
the
selected
option.
The
options
are
Disabled
and
Auto.
Memory
Interleaving
Size
This
setting
controls
the
memory
interleaving
size.
This
determines
the
starting
address
of
the
interleave
(bit
8,
9,
10
or
11).
The
options
are
256
Bytes,
512
Bytes,
1
KB,
2
KB
or
Auto
.
Chipset
Interleaving
This
setting
controls
interleave
memory
blocks
across
the
DRAM
chip
for
node
0.
The
options
are
Disabled
and
Auto
.
BankGroupSwap
This
setting
controls
the
Bank
Group
Swap.
The
options
are
Enabled,
Disabled
and
Auto
.
DRAM
Scrub
Time
This
provides
a
value
that
is
the
number
of
hours
to
scrub
memory.
The
options
are
Disabled,
1
hour,
4
hours,
8
hours,
16
hours,
24
hours,
48
hours,
and
Auto
.
CPU1
Memory
Information
These
sections
are
for
informational
purposes.
They
will
display
some
details
about
the
detected
memory
according
to
each
CPU
on
the
motherboard,
such
as:
•
Detected
Size
(per
slot,
in
MB)
•
Current
Speed
(MT/s)
PCIe/PCI/PnP
Configuration
This
menu
provides
PCIe/PCI/PnP
configuration
settings
and
information.
PCI
Bus
Driver
Version
PCI
Devices
Common
Settings:
Above
4G
Decoding
This
setting
Disables
or
Enables
64-bit
capable
devices
ability
to
be
decoded
in
above
4G
address
space
(only
if
the
system
supports
64-bit
PCI
decoding).
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