IBM Personal Computer

15 Did the screen change from white to black when
the Power switch was set to On? (The screen
may remain black for only
13 seconds before
changing again.)
YES - Go to the next step.
NO - Have the display serviced.
16 Wait for the power-on self test (POST) to finish.
The IBM Personal Computer BASIC message,
with a blinking cursor, appears unless a diskette
is inserted or an operating system is
automatically loaded from a fixed disk drive.
The I BM Personal Computer Basic
Version CX.XX Copyright IBM Corp. XXXX
XXXXX Bytes free
Ok
1 LIST 2RUN 3LOAO" 4SAVE" 5CONT 6LPT1 7TRON ITROFF 9KEY OSCREEN
9000-6 Test
April 1984