Test register
A test register, in the Intel 80386 and Intel 80486 processors, was a register used by the processor, usually to do a self-test. Most of these registers were undocumented, and used by specialized software.
A test register, in the Intel 80386 and Intel 80486 processors, was a register used by the processor, usually to do a self-test. Most of these registers were undocumented, and used by specialized software.
A test register, in the Intel 80386 and Intel 80486 processors, was a register used by the processor, usually to do a self-test. Most of these registers were undocumented, and used by specialized software.
Source: Wikipedia "Test register" · CC BY-SA 4.0
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