IBM 6C4 - Manual (Page 172)

Running System Verification When Connected to an HMC
Run the following procedure only if you are connected to an HMC.
Step 1. Running Online Diagnostics in Service Mode
To run the online diagnostics in service mode from the boot hard disk, do the following:
1. From the HMC, select the Partition Manager.
2. Right-click on the mouse and select Open Terminal Window.
3. From the Service Processor Menu on the VTERM, select Option 2 System Power
Control.
4. Select option 6. Verify that the state changes to currently disabled . Disabling
fast system boot automatically enables slow boot.
5. Select Option 98 to exit the system power control menu.
6. Use the HMC to power on the managed system in a full system partition by
selecting the managed system in the Contents area.
7. Right-click or select the desired system in the Contents area. Next, on the menu,
choose Selected.
8. Select Power On.
9. Select the Power on Diagnostic Stored Boot list option (refer to Full System
Management Tasks in the IBM Hardware Management Console for pSeries
Operations Guide , order number SA38-0590, for more information on full system
partitions).
10. Make sure that there are no media in the devices in the media subsystem.
11. Enter any passwords, if requested.
Note: If you are unable to load the diagnostics to the point when the DIAGNOSTIC
OPERATING INSTRUCTIONS display, call your support center for assistance.
154 pSeries 630 Model 6C4 and Model 6E4 User’s Guide