Appendix C Heat Dissipation - American Megatrends Enterprise-II User Manual

Appendix C
Heat Dissipation
The 50 MHz 80486DX and 66 MHz 80486DX2 are
very high performance CPUs that can rival
the performance of any currently available
CPU, including RISC processors. However,
there is an undesirable side effect to the
high performance —
high power consumption.
These CPUs can dissipate up to 5 watts of
power. Since this power is concentrated in
a small area, it is necessary to remove
the heat generated by this power
consumption. For this reason we have
supplied a heat sink with all American
Megatrends motherboards and CPU Cards that
have a 50 MHz 80486DX or 66 MHz 80486DX2
CPU.
Since American Megatrends manufactures
only the motherboard and CPU Card system
components, it has no control over
operating factors such as air flow and
ambient temperature inside the computer
case. The system integrator must make sure
that the 50 MHz 80486DX or 66 MHz 80486DX2
CPU always operates within a safe
operating temperature range.
Appendix B - EISA Configuration Worksheets
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the heat generated by