IBM 689912U Hardware Maintenance Manual - Page 27

General Checkout (Type 6876, 6886) This general checkout procedure is for Type 6876 and 6886 computers. On Type 6876 and 6886 Micro Channel computers, you can start the advanced diagnostics programs in one of three ways: 1. From the 700 Series 6876/6886 Reference Diskette 2. From the 700 Series 6876/6886 Diagnostics Diskette 3. From the System Partition. From the Reference Diskette (Type 6876/6886) The Reference Diskette is bootable. Starting the diagnostic programs from the Reference Diskette allows you to test the options installed in the computer or test the base system. To Test Options (Type 6876/6886) Notes 1. Ensure that Rapid Resume is disabled before starting this procedure. 2. If Rapid Resume is displayed during this procedure, see "Running Rapid Resume Manager" on page 228. 3. Re-run the diagnostics tests. To test the options installed in the computer, do the following. 1. Power-off the computer and all external devices. 2. Check all cables and power cords. 3. Set all display controls to the middle position. 4. Insert the Reference Diskette into drive A. 5. Power-on all external devices. 6. Power-on the computer. 7. Check for the following responses: a. One beep b. IBM Logo c. Readable instructions or the Main Menu 8. If you received the correct responses, press Ctrl+A (Test the Computer screen appears). Select Options diagnostics and follow the instructions on the screen. 9. If you did not receive the correct responses, go to "Symptom-to-FRU Index" on page 32. Service Information 17