Thermal Solution Characterization - Intel 2ND GENERATION CORE PROCESSOR FAMILY DESKTOP - THERMAL MECHANICAL SPECIFICATIONS AND DESIGN GUIDELINES 01-2011 Specifications

Sensor Based Thermal Specification Design Guidance
In the system under test and Power/Thermal Utility Software set to dissipate the TDP
workload confirm the following item:
• Verify if there is TCC activity by instrumenting the PROCHOT# signal from the
processor. TCC activation in functional application testing is unlikely with a
compliant thermal solution. Some very high power applications might activate TCC
for short intervals this is normal.
• Verify fan speed response is within expectations - actual RPM (
with DTS temperature and T
• Verify RPM versus PWM command (or voltage) output from the FSC device is within
expectations.
• Perform sensitivity analysis to asses impact on processor thermal solution
performance and acoustics for the following:
— Other fans in the system.
— Other thermal loads in the system.
In the same system under test, run real applications that are representative of the
expected end user usage model and verify the following:
• Verify fan speed response versus expectations as done using Power/Thermal Utility
SW.
• Validate system boundary condition assumptions: Trise, venting locations, other
thermal loads and adjust models / design as required.
8.6

Thermal Solution Characterization

Table 8-3
reference for the development of thermal solutions and the fan speed control
algorithm.
Table 8-3. Thermal Solution Performance above T
T
AMBIENT
45.1
44.0
43.0
42.0
41.0
40.0
39.0
38.0
37.0
36.0
35.0
34.0
33.0
32.0
31.0
30.0
29.0
Thermal/Mechanical Specifications and Design Guidelines
AMBIENT
is early engineering data on the RCBF7-1156 (DHA-A) thermal solution as a
 at
CA
1
DTS = T 2
CONTROL
0.290
0.310
0.328
0.346
0.364
0.383
0.401
0.419
0.437
0.455
0.473
0.491
0.510
0.528
0.546
0.564
0.582
.
(Sheet 1 of 2)
CONTROL
RPM for  at 
CA
DTS = T 5 DTS = -1
CONTROL
N/A
N/A
N/A
2950
2600
2300
2100
1900
1750
1650
1500
1400
1350
1200
1150
1050
1000
) is consistent
CA
at RPM for 
CA CA
3 DTS = -1
0.290 N/A
0.301 N/A
0.312 N/A
0.322 N/A
0.333 N/A
0.343 3150
0.354 2750
0.364 2600
0.375 2400
0.385 2250
0.396 2150
0.406 2050
0.417 1900
0.427 1850
0.438 1750
0.448 1650
0.459 1600
at
5
77