IBM PCjr

The IBM logo appears, the diskette drive (if attached)
red light switches on for a moment, and you hear one
beep. Then the advanced-test menu appears.
E
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✓ , V I V
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64 KB *
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E:
The advanced-test menu consists of symbols, with each
symbol representing one area of the IBM PCjr. The
letters or numbers below the symbols are IDs of tests
you can perform. A quick way to determine if you are
looking at the advanced-test menu or the
customer-level test menu (they look similar) is to
observe the ID under the joystick symbol. The
advanced-test level has an "E" there. The
customer-level has a "6."
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