C-2
Literature Center Web Site
Thermal Validation
C
refers to the temperature at the top, center surface of the component. Air
temperature refers to the ambient temperature near the component.
Table C-1. Thermally Significant Components
Reference
Designator
Generic Description
Max. Allowable
Component
Temperature
(deg. C)
Measurement
Location
U2, U3
Flash, soldered
85
Ambient
U16
Gigabit Ethernet
119
Case
U22
System controller
110
Case
U24
MPC7455 processor
103
Case
U25
VME-to-PCI bridge
70
Ambient
U27
Clock buffer
95
Case
U31
PCI bridge
70
Ambient
U41-43,
U45-47,
U54-56,
U60-62,
U64-66,
U67-69
SDRAM
85
Case
U123-124
L3 Cache
115
Case