IBM 6151 Maintenance And Service Manual page 198

Step 21
The following FRUs are required to run the System Checkout.
• The system board
• The processor board
• If installed, the memory expansion option in slot C
• An adapter for the diskette drive
• An IBM High Capacity Diskette Drive
• A display adapter
• A display
• The cables for the diskette drive
• The power supply
• The cooling fan
• A keyboard.
Remove all adapters and options not listed above. Be sure to
record the slot number and what cables are attached. Disconnect
the Data and Signal cables from all fixed-disk and diskette drives
installed, except diskette drive A.
Run the System Checkout. The TEST OPTION and the
DIAGNOSTIC TEST LIST menu will display if the configuration
was changed. Follow the instructions as they display.
Step 21 continues on the next page.
3-0060-22
Service Manual