MVME51005E Single Board Computer Installation and Use (6806800A38B)
C Thermal Analysis
90
❏
air - refers to the ambient temperature near the component
Table C-1. Thermally Significant Components on the MVME5100 Single
Board Computer
Reference
Designator?
Generic Description
Maximum
Allowable
Component
Temperature
(degrees C)
1
Measurement
Location
U8
Hawk ASIC
105
Junction
U9
ECC DRAM (NEC D4564841G5)
70
Ambient
U4
Intel 82559ER
85
Case
U5
Intel 82559ER
85
Case
U3
Universe 2
125
Junction
U29
L2 cache 512K (MCM69P7377P)
70
Ambient
U30
L2 cache 512K (MCM69P7377P)
70
Ambient
U31
MPC952
125
Junction
U32
MPC972
125
Junction
U21
ECC DRAM (NEC D4564841G5)
70
Ambient
U16
ECC DRAM (NEC D4564841G5)
70
Ambient
U19
PPC7400@400 MHz (Max)
105
Junction
U53
Pulse H0009.2 9942-C
85
Ambient
1
maximum temperature for reliable operation specified by the component manufacturer.
Table C-2. Thermally Significant Components on the IPMC761 Module
Reference
Designator?
Generic Description
Maximum
Allowable
Component
Temperature
(degrees C)
1
Measurement
Location
U6
Super I/O National Semiconductor
70
Ambient
U3
Zilog (Z0853606 VSC)
70
Ambient
U11
LSI Symbios LSA0564 609-0393602
70
Ambient
U12
Winbond W83C554F
70
Ambient
U14
Lattice ispLSI 1032E 70LT D935B14
125
Case
1
maximum temperature for reliable operation specified by the component manufacturer.