Intel E3 User Manual download pdf (Page 64)

5.1 Thermal Metrology

The maximum Thermal Test Vehicle (TTV) case temperatures (T

CASE-MAX

) can be

derived from the data in the appropriate TTV thermal profile earlier in this chapter.

The TTV T

CASE

is measured at the geometric top center of the TTV integrated heat

spreader (IHS). The following figure illustrates the location where T

CASE

temperature

measurements should be made.

Figure 15. Thermal Test Vehicle (TTV) Case Temperature (T

CASE

) Measurement Location

37.5

Measure T

CASE

the geometric

center of the

package

Note: THERM-X OF CALIFORNIA can machine the groove and attach a thermocouple to the

IHS. The supplier is subject to change without notice. THERM-X OF CALIFORNIA, 1837

Whipple Road, Hayward, Ca 94544. Ernesto B Valencia +1-510-441-7566 Ext. 242

[email protected]. The vendor part number is XTMS1565.

5.2 Fan Speed Control Scheme with Digital Thermal Sensor

(DTS) 1.1

To correctly use DTS 1.1, the designer must first select a worst case scenario T

AMBIENT

and ensure that the Fan Speed Control (FSC) can provide a Ψ

that is equivalent or

greater than the Ψ

specification.

The DTS 1.1 implementation consists of two points: a Ψ

at T

CONTROL

and a Ψ

DTS = -1.

Processor—Thermal Management

Intel

Xeon

Processor E3-1200 v3 Product Family

Datasheet – Volume 1 of 2 June 2013

64 Order No.: 328907-001

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