Intel DBS1200V3RPS Benutzerhandbuch
Sensor Based Thermal Specification Design Guidance
70
Thermal/Mechanical Specifications and Design Guidelines
• When the DTS value is at or below T
CONTROL
, the fans can be slowed down - just as
with prior processors.
• When DTS is above T
CONTROL
, FSC algorithms will use knowledge of T
AMBIENT
and
Ψ
CA
vs. RPM to achieve the necessary level of cooling.
DTS 1.1 provides another option to do fan speed control without the Tambient data.
Please refer to
Please refer to
for more details.This chapter will discuss two
implementations. The first is a FSC system that is not provided the T
AMBIENT
information and a FSC system that is provided data on the current T
AMBIENT
. Either
method will result in a thermally compliant solution and some acoustic benefit by
operating the processor closer to the thermal profile. But only the T
operating the processor closer to the thermal profile. But only the T
AMBIENT
aware FSC
system can fully utilize the specification for optimized acoustic performance.
In the development of the FSC algorithm it should be noted that the T
AMBIENT
is
expected to change at a significantly slower rate than the DTS value. The DTS value will
be driven by the workload on the processor and the thermal solution will be required to
respond to this much more rapidly than the changes in T
be driven by the workload on the processor and the thermal solution will be required to
respond to this much more rapidly than the changes in T
AMBIENT
.
An additional consideration in establishing the fan speed curves is to account for the
thermal interface material performance degradation over time.
thermal interface material performance degradation over time.