Table 5-1. Computer/Expander Troubleshooting - HP 330 Service Information Manual

Table 5-1. Computer/Expander Troubleshooting Procedures
Procedure What MUST Function
Inoperative Unit Nothing
Live Unit
Power Supply
Motherboard
Functional Unit
Computer:
Power Supply
Part of processor
Part of motherboard
Top 16K of RAM
DIO-II Bus
Some inputs from keyboard
Output to operate monitor
Bus Expander:
Power Supply
Part of motherboard
One accessory card
Troubleshooting
153