LE3100MICH S L8YC Intel, LE3100MICH S L8YC Datasheet - Page 102
LE3100MICH S L8YC
Manufacturer Part Number
LE3100MICH S L8YC
Description
Manufacturer
Intel
Datasheet
1.LE3100MICH_S_L8YC.pdf
(106 pages)
Specifications of LE3100MICH S L8YC
Mounting
Surface Mount
Lead Free Status / RoHS Status
Compliant
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Figure 7-9.
Table 7-2.
100
Boxed Processor Fan Heatsink Set Points
Fan Heatsink Power and Signal Specifications
1. Set point variance is approximately ± 1 °C from fan heatsink to fan heatsink.
If the boxed processor fan heatsink 4-pin connector is connected to a 4-pin
motherboard header and the motherboard is designed with a fan speed controller with
PWM output (CONTROL see
capability the boxed processor will operate as follows:
As processor power has increased the required thermal solutions have generated
increasingly more noise. Intel has added an option to the boxed processor that allows
system integrators to have a quieter system in the most common usage.
The 4th wire PWM solution provides better control over chassis acoustics. This is
achieved by more accurate measurement of processor die temperature through the
processor's Digital Thermal Sensors (DTS) and PECI. Fan RPM is modulated through the
use of an ASIC located on the motherboard that sends out a PWM control signal to the
4th pin of the connector labeled as CONTROL. The fan speed is based on actual
processor temperature instead of internal ambient chassis temperatures.
Notes:
Heatsink Set Point (
Boxed Processor Fan
Y = 35
X ≤ 30
Z ≥ 38
º
C)
When the internal chassis temperature is below or equal to this set
point, the fan operates at its lowest speed. Recommended maximum
internal chassis temperature for nominal operating environment.
When the internal chassis temperature is at this point, the fan operates
between its lowest and highest speeds. Recommended maximum
internal chassis temperature for worst-case operating environment.
When the internal chassis temperature is above or equal to this set
point, the fan operates at its highest speed.
Table
7-1) and remote thermal diode measurement
Boxed Processor Fan Speed
Boxed Processor Specifications
Datasheet
Notes
1
-
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