IBM SY44-5902-05 manual Function/data Action or description, Displays are F, S, SE, V=F, or V=S

When first selected, function 01 displays the current IPL type. Once function 01 is selected, use the Enter button to toggle between the IPL type and IPL speed, as shown in Table 17, (each (_) represents 1 character).

Table 17. Function 01 on systems with an electronic keystick

Function/data		Action or description
01	_ _ _ _ _ _	Use the Increment or Decrement buttons to scroll to function 01.
01	_ _ _ A _ _	Press the Enter button to start function 01. Valid IPL types, which
		appear in the sixth character position of the Function/Data display,
		are A, B, C, D.
01	_ _ V = F _	Press the Enter button again to display the IPL speed. Valid speed
		displays are F, S, SE, V=F, or V=S.
01	_ _ _ A _ _	Press Enter to toggle back to the IPL type.
02	_ _ _ _ _ _	Use the Increment or Decrement buttons to scroll through the
		control panel functions.

Function 01–Display Selected IPL Type, Logical Key Mode, and Speed (on Systems without a Keystick): This function allows you to display the selected IPL type, logical key mode, and IPL speed. Pressing the Enter button in function 01 toggles between the two displays:

1.Display IPL type (A, B, C, or D) and the logical key mode (M or N, which appears in the eighth character position of the Function/Data display).

2.Display IPL speed (F, S, SE, or V=F, or V=S).

Table 18. Function 01 on systems without an electronic keystick

Function/data		Action or description
01	_ _ _ _ _ _	Use the Increment or Decrement buttons to scroll to function 01.
01	_ _ _ A _ N	Press Enter to start function 01. Valid IPL types and logical key
		mode combinations are A_N, B_N, C_N, D_N, A_M, B_M, C_M, D_M.
01	_ _ V = F _	Press the Enter button again to display the IPL speed. Valid speed
		displays are F, S, SE, V=F, or V=S.
01	_ _ _ A _ N	Press Enter to toggle back to the IPL type and logical key mode.
02	_ _ _ _ _ _	Use the Increment or Decrement buttons to scroll through the
		control panel functions.

Note: See “Work with Licensed Internal Code” on page 11 and “IPL type, mode, and speed options” on page 217 for more information on IPL options.

Function 02–Select IPL Type and Speed (on Systems with a Keystick): This function allows you to select the IPL type, key mode, and speed.

1.Pressing Enter once puts you into the change IPL type (A, B, C, or D). You select the key mode by engaging the keystick and pressing the Mode button to scroll through the four operating modes (Manual, Normal, Auto, and Secure). The mode with the light indicates that it is in active mode.

2.When the system power is off, pressing the Enter button twice puts you into the operation for overriding the system IPL speed (F, S, V) for the next IPL.

For powered-on systems with a keystick, function 02 is used to select the IPL type. Table 19 on page 164 shows an example of the sequence for powered-on systems.

Chapter 5. Control Panel Functions 163