IBM SY44-5902-05 manual Tmmm cccc

Functions 09 to 10–Reserved:These functions are reserved for future control panel operations.

Functions 11 to 19–System Reference Code: Functions 11 though 19, if enabled, represent the words of the SRC.

You should record SRC information for error reporting.

For more information on interpreting SRCs, go to Chapter 6, “System Reference Code (SRC) Information” on page 191.

To use the SRC for problem analysis, go to the “Starting Point for All Problems” in the Problem Analysis information for your system.

Function 20–System Type, Model, and Feature Code: This function displays the machine type, model, and processor feature code in the following format:

tmmm cccc

Values for t indicate the machine type:

19401

29402

49404

69406

Values for m indicate the model:

mmmModel number (for example, 510)

Values for c indicate the system processor feature code:

ccccProcessor feature code (for example, 2141) You should record this information with the SRC.

Note: When the machine type and model number are not available, FF is shown.

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

The extended control panel functions consist of two major groups:

vFunctions 21 through 49, which are available when you select Manual mode.

vSupport service representative Functions 50 through 99, which are available when you select Manual mode, then select and enter the customer service switch 1 (Function 25), followed by service switch 2 (Function 26).

Note: When a function has no data to display, FF is shown.

Customer Extended Panel Functions (Models 150, 170, 250, 4xx, 50x, 51x, 530, 53S, 6xx, 7xx, SB1, and Sxx)

Function 21–Make DST Available: This function makes DST available on the system console display. The Use Dedicated Service Tools (DST) display appears on the primary or alternative console. For more information on the console, see Determining a primary or alternative console.

Chapter 5. Control Panel Functions 169