Changing your system IPL from the control panel
You can specify the type of initial program load (IPL) you need to perform from the system control panel.
The Increment/Decrement buttons are used
to change the IPL type and mode on systems without a mode button. Use Function
02 to select the IPL type (A, B, or D) and mode (normal or manual). To select
the IPL type and mode from the control panel, follow these steps:
The Hardware diagnostics IPL attribute determines the type of subsequent IPLs. *MIN is the preferred setting. However, if you anticipate any hardware problems, specify *ALL on the Hardware diagnostics parameter. Use the Change IPL Attributes (CHGIPLA) command to change the IPL attribute.