IBM SY44-5902-05 manual Spcn SRC Formats, Function / value Action or description

1.Power on the system.

2.Press the Increment (↑) or Decrement (↓) button on the control panel to display Function 04.

Press Enter on the control panel.

3.Do all of the following lights on the system control panel go on?

vThe Processor Active/Activity light

vThe Processor Activity Select lights

vSystem Attention light

vPower On light

vA 5 x 7 dot pattern for each character in the Function/Data display

vMode lights (if available)

Yes No

↓Exchange the control panel or the replaceable unit that contains the SPCN function (SPNLCRD or ac module). (See “Removal and Installation Procedures” in the Problem Analysis information for your system.)

4.The lights on the system control panel are working correctly.

This ends the procedure.

Function 05–SPCN SRC: Function 05 is available only on systems with SPCN.

Function 05 displays information about power faults and provides informational reference codes during disk unit concurrent maintenance procedures. The format for this function is as follows:

Figure 75. SPCN SRC Formats

Function 06–Disable Continuous Power Main Storage (CPM): Function 06 is available only on systems with SPCN. It is enabled only when you select Manual mode and the system has enabled CPM.

When you power off the system, use this function to disable the continuous powered main storage (CPM) operation.

Table 23. Function 06 Disable CPM

Function / value				Action or description
06	_ _	_ _ _	_	Use the Increment or Decrement buttons to scroll to function 06. If
				you cannot scroll to function 06, CPM is not active.
06	_ _	_ E _	_	Press Enter to enter Disable CPM operation. E (Enable) indicates
				that the CPM function is active.

166Service Functions V5R2