IBM PCjr Hardware Maintenance And Service

2-16
Test Running
Response to Pressing Fn-B
Diskette Drive
Graphics Printer
Compact Printer
Internal Modem
Sound
(If the system unit beeps, press Fn-L
again.)
Test may stop immediately.
Message is "FFFF."
Display
RS232
Test stops immediately. Message is
"FFFF."
Keyboard The Fn and B keys must be shown on
the screen before using them to abort
the test. Test stops immediately.
Message is
Joystick
Light Pen
Test stops immediately. Message is
t'H! " I \
The "FFFF" message lets you know that the test was
stopped before completion.
When you want to remove the advanced-test menu
from your screen, press and hold the Ctrl and Alt keys,
and then press the Del key.

IBM PCjr Specifications

General

Brand	IBM
Model	PCjr
Category	Desktop
Language	English