IBM SY44-5902-05 manual Select Function 53 and press Enter to display

1. Select Function 53 and press Enter to display 53**.
2. Select the function you want to perform (refer to table below). Use the
	Increment or Decrement button to scroll to the appropriate function. Press
	Enter to display 53nn, where nn is the function that you selected.
	Table 35. Repeat GARD Functions in Function 53
	Function	Action or Description
	00	Clear memory, processor, L3 Repeat GARD
	01	Enable memory, processor, L3 Repeat GARD
	02	Disable memory, processor, L3 Repeat
		GARD
	03	View enable/disable status (E – enabled, D –
		disabled)
Function 55–Override of Main Store Dump: The purpose of the main store
dump override function is to allow service representatives to modify the dump
policy implemented in the microcode. Once an override is set, it will stay in effect
until another override selection has been made.
1. Select Function 55 and press Enter to display 55**.
2. Select the function you want to perform (refer to the table below). Use the
	Increment or Decrement button to scroll to the appropriate function. Press
	Enter to display 55nn, where nn is the function that you selected.
	Table 36. Override of Main Store Dump Functions in Function 55
	Function	Action or Description
	00	View current setting
	01	No override. Normal operation, where all
		main store dumps requested will be taken.
	02	No main store dump. No portion of the
		dump will be taken and the system will
		simply terminate with the failing SRC.
	03	Complete hardware dump. Use only when
		directed by your next level of support.
	04	Base abbreviated hardware dump. Use only
		when directed by your next level of support.
	05	Checkstopped hardware dump. Use only
		when directed by your next level of support.
	06	Checkstopped with software registers
		hardware dump. Use only when directed by
		your next level of support.

Low-Level Debug (LLD) panel functions (Models 270, 8xx, SB2,

SB3, and 890)

You can enable these functions by selecting Manual mode and selecting Functions 25 and 26. The following is a list of all the low-level debug (LLD) panel functions and a description of each.

Function 57–Display Service Processor Diagnostic Data Area Addresses: These addresses can be used to display debug data in function 62.

188Service Functions V5R2