How To Perform Advanced Post - IBM PCjr Hardware Maintenance And Service

How to Perform Advanced POST
Before you perform advanced POST, do the following:
1. Set the system unit's Power switch to Off.
2. Set the display's Power switch to Off.
3. Connect the power transformer's power cord to a
functioning, properly grounded outlet.
4. Install aU connectors securely in their proper
locations.
Joystick
Joystick
Spare
Keyboard
Light Pen
Television
Composite Video
2-4
On/Off Switch
Modem
Direct Drive Video
Serial
Cassette
External
Audio
Power