Chapter 4: AMI BIOS
4-9
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,
1.5oC
, 3.0
o
C, and 6.0
o
C.
Guardband Temperature
This is the temperature which applies to the DIMM temperature threshold.
Each step is in 0.5
o
C increment. The default is
[006]
. Press "+" or "-" on
your keyboard to change this value.
Inlet Temperature
This is the temperature detected at the chassis inlet. Each step is in 0.5
o
C
increment. The default is
[070]
. Press "+" or "-" on your keyboard to change
this value.
Temperature Rise
This is the temperature rise to the DIMM thermal zone. Each step is in
0.5
o
C increment. The default is
[020]
. Press "+" or "-" on your keyboard 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 "-" on your keyboard 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.
DIMM Pitch
This is the physical space between each DIMM module. Each step is in
1/1000 of an inch. The default is
[400]
. Press "+" or "-" on your keyboard
to change this value.
North Bridge Confi guration
This feature allows the user to confi gure the settings for the Intel IOH chip.
