Chapter 4: AMI BIOS
4-9
Channel Interleave
This feature allows the user to set the interleave scheme for a memory channel.
The options are 1 Way, 2 Way, 3 Way, 4 Way, and
6 Way
.
Bank Interleave
This feature allows the user to set the interleave scheme for a memory bank. The
options are 1 Way, 2 Way, and
4 Way
.
Throttling - Closed Loop/Throttling - Open Loop
Throttling improves reliability and reduces power in the processor by automatic volt-
age control during processor idle states. The options are
Disabled
and Enabled. If
Enabled, the following items will appear.
Hysteresis Temperature
Temperature Hysteresis is the temperature lag (in degrees Celsius) after the
set DIMM temperature threshold is reached before Closed Loop Throttling
begins. The options are Disabled,
1.5
o
C
, 3.0
o
C, and 6.0
o
C.
Guardband Temperature
This is the temperature that applies to the DIMM temperature threshold.
Each step is in 0.5
o
C increments. The default is
[006]
. Press <+> or <-> to
change this value.
Inlet Temperature
This is the temperature detected at the chassis inlet. Each step is in 0.5
o
C
increments. The default is
[070]
. Press <+> or <-> to change this value.
Temperature Rise
This is the temperature rise to the DIMM thermal zone. Each step is in 0.5
o
C
increments. The default is
[020]
. Press <+> or <-> to change this value.
Air Flow
This is the air fl ow speed to the DIMM modules. Each step is one mm/sec.
The default is
[1500]
. Press <+> or <-> to change this value.
Altitude
This feature defi nes how many meters above or below sea level the system
is located. The options are
Sea Level or Below,
1~300, 301~600, 601~900,
901~1200, 1201~1500, 1501~1800, 1801~2100, 2101~2400, 2401~2700,
2701~3000.
