Intel S2600JFF BBS2600JFF ユーザーズマニュアル
製品コード
BBS2600JFF
Intel®
Server Board S2600JF TPS
BIOS Setup Interface
Revision 1.3
Intel order number G31608-004
77
Setup Item
Options
Help Text
Comments
MLC Streamer
Enabled
Disabled
MLC Streamer is a speculative
prefetch unit within the processor(s)
prefetch unit within the processor(s)
MLC Streamer is normally Enabled,
for best efficiency in L2 Cache and
Memory Channel use, but disabling
it may improve performance for
some processing loads and on
certain benchmarks.
for best efficiency in L2 Cache and
Memory Channel use, but disabling
it may improve performance for
some processing loads and on
certain benchmarks.
MLC Spatial Prefetcher
Enabled
Disabled
[Enabled]
– Fetches adjacent cache
line (128 bytes) when required data is
not currently in cache.
not currently in cache.
[Disabled]
– Only fetches cache line
with data required by the processor
(64 bytes).
(64 bytes).
MLC Spatial Prefetcher is normally
Enabled, for best efficiency in L2
Cache and Memory Channel use,
but disabling it may improve
performance for some processing
loads and on certain benchmarks.
Enabled, for best efficiency in L2
Cache and Memory Channel use,
but disabling it may improve
performance for some processing
loads and on certain benchmarks.
DCU Data Prefetcher
Enabled
Disabled
The next cache line will be prefetched
into L1 data cache from L2 or system
memory during unused cycles if it
sees that the processor core has
accessed several bytes sequentially in
a cache line as data.
into L1 data cache from L2 or system
memory during unused cycles if it
sees that the processor core has
accessed several bytes sequentially in
a cache line as data.
[Disabled]
– Only fetches cache line
with data required by the processor
(64 bytes).
(64 bytes).
DCU Data Prefetcher is normally
Enabled, for best efficiency in L1
Data Cache and Memory Channel
use, but disabling it may improve
performance for some processing
loads and on certain benchmarks.
Enabled, for best efficiency in L1
Data Cache and Memory Channel
use, but disabling it may improve
performance for some processing
loads and on certain benchmarks.
DCU Instruction
Prefetcher
Prefetcher
Enabled
Disabled
The next cache line will be prefetched
into L1 instruction cache from L2 or
system memory during unused cycles
if it sees that the processor core has
accessed several bytes sequentially in
a cache line as data.
into L1 instruction cache from L2 or
system memory during unused cycles
if it sees that the processor core has
accessed several bytes sequentially in
a cache line as data.
DCU Data Prefetcher is normally
Enabled, for best efficiency in L1 I
Cache and Memory Channel use,
but disabling it may improve
performance for some processing
loads and on certain benchmarks.
Enabled, for best efficiency in L1 I
Cache and Memory Channel use,
but disabling it may improve
performance for some processing
loads and on certain benchmarks.
Direct Cache Access
(DCA)
(DCA)
Enabled
Disabled
Allows processors to increase the I/O
performance by placing data from I/O
devices directly into the processor
cache.
performance by placing data from I/O
devices directly into the processor
cache.
System performance is usually best
with Direct Cache Access Enabled.
In certain unusual cases, disabling
this may give improved results.
with Direct Cache Access Enabled.
In certain unusual cases, disabling
this may give improved results.
SMM Wait Timeout
20
Millisecond timeout waiting for BSP
and SPs to enter SMM. Range is
20ms to 3000ms
and SPs to enter SMM. Range is
20ms to 3000ms
Amount of time to allow for the SMI
Handler to respond to an SMI. If
exceeded, BMC generates an SMI
Timeout and resets the system
Handler to respond to an SMI. If
exceeded, BMC generates an SMI
Timeout and resets the system
5.4.2.5
Power and Performance policy
The Power and Performance screen allows the user to specify a profile which is optimized in the
direction of either reduced power consumption or increased performance.
direction of either reduced power consumption or increased performance.
To access this screen from the Main screen, select Advanced > Power and Performance. To
move to another screen, press the <Esc> key to return to the Advanced screen, then select the
desired screen
move to another screen, press the <Esc> key to return to the Advanced screen, then select the
desired screen
.