install/50034: After the NetBSD-7.0-RC1 / AMD64 ISO CD was inserted, the initial installer screen was displayed, but then a CPU "Overtemp" warning occurred, and the computer shut down

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>Number:         50034
>Category:       install
>Synopsis:       After the NetBSD-7.0-RC1 / AMD64 ISO CD was inserted, the initial installer screen was displayed, but then a CPU "Overtemp" warning occurred, and the computer shut down
>Confidential:   no
>Severity:       serious
>Priority:       high
>Responsible:    install-manager
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Sun Jul 05 03:15:00 +0000 2015
>Originator:     Ron
>Release:        NetBSD 7.0-RC1 / AMD64
>Organization:
>Environment:
Doesn't run long enough to get
>Description:
After the NetBSD-7.0-RC1 / AMD64 ISO CD was inserted, the initial installer screen was displayed, but then a CPU "Overtemp" warning occurred, and the computer shut down.

The same computer works fine with various other operating systems, including FreeBSD 10.1, Haiku 3, Haiku 4, Debian Wheezy, etc. (Before and after the NetBSD attempted installation).
>How-To-Repeat:
Use NetBSD CD installation disk on my AMD 64 computer.
>Fix: