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Table b-1, Thermally significant components, Wn in – Artesyn MVME6100 Single Board Computer Installation and Use (June 2014) User Manual

Page 108: Figure b-1, Figure b-2, Thermal validation

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Thermal Validation

MVME6100 Single Board Computer Installation and Use (6806800D58H)

108

The preferred measurement location for a component may be junction, case, or air as specified
in the table. Junction temperature refers to the temperature measured by an on-chip thermal
device. Case temperature refers to the temperature at the top, center surface of the
component. Air temperature refers to the ambient temperature near the component.

Table B-1 Thermally Significant Components

Reference
Designator

Generic Description

Max. Allowable
Component
Temperature (deg. C)

Measurement
Location

U3-U11, U64-
U72

DDR SDRAM

70

Air

U84, U95

Gigabit Ethernet Transceiver

129

Case

U82, U83

Cache

115

Case

U45, U46

Programmable Logic Device

70

Air

U32

PCI Bridge

70

Air

U20

Discovery II

110

Case

U15

Clock Generator

85

Air

U14, U22

Clock Buffer

85

Air

U12

MC7457RX, 1.267 GHz Processor

103

Case

U21

Tsi148 VME Bridge ASIC

100