Table 16. Control panel (8-character) function codes (continued)

Function code

Function selected

63

System status SRC trace.

 

 

64

Service processor diagnostic status SRC trace.

 

 

65

Deactivate remote service.

 

 

66

Activate remote service.

 

 

67

Disk unit IOP reset/reload; enabled only by specific disk unit SRCs.

 

 

68

Concurrent Maintenance power domain Power Off.

 

 

69

Concurrent Maintenance power domain Power On.

 

 

70

Dump MFIOP control storage.

If you cannot find the function code in this chart, the customer support for added features or devices might not have been available when this information was produced. Look for any supplemental unit function code information for the function code you displayed on the control panel. If you do not find any additional function code information, go to “Function 04–Lamp Test” on page 165 and verify that the lamps are working correctly.

Ways to access the control panel (Models 150, 170, 250, 4xx, 50x, 51x, 530, 53S, 6xx, 7xx, SB1, and Sxx)

A keystick gives the operator security control over the control panel functions and control over data that is accessible from the control panel. The keystick for the electronic keylock activates the Mode-selection button.

1.Does the control panel have an electronic keylock (a keystick)?

Yes No

The logical key mode (M or N only) is displayed in function 01. The Auto and Secure key modes are not supported. Follow function 01 and 02 procedures for system types that do not use a keystick.

2.Insert the keystick.

Press the Mode-selection button to select the key mode. Follow function 01 and 02 procedures for systems with an electronic keystick.

To select a function number, press the Increment () or Decrement () buttons on the control panel. To activate the function, press Enter on the control panel while the desired function number is displayed.

Note: The function that is displayed is not activated until you press Enter on the control panel.

Control panel function descriptions (Models 150, 170, 250, 4xx, 50x, 51x, 530, 53S, 6xx, 7xx, SB1, and Sxx)

Customer control panel functions (Models 150, 170, 250, 4xx, 50x, 51x, 530, 53S, 6xx, 7xx, SB1, and Sxx)

Function 01–Display Selected IPL Type and Speed (on Systems with a Keystick): This function allows you to display the selected IPL type and IPL speed. Pressing the Enter button in function 01 toggles between the two displays:

1.Display IPL type (A, B, C, or D).

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

162Service Functions V5R2

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IBM SY44-5902-05 manual System status SRC trace