Function Description
20 Displays the machine type, model, processor feature code, processor class indicator, and IPL path
description. This function is available in both normal and manual operating mode.
21 Causes the Use Dedicated Service Tool display to appear on the system console. This function is
available only in the manual operating mode and when activated by the operating system.
22 Forces a partition dump. This function is available only in the manual operating mode and when
activated by the operating system.
23 - 24 Reserved.
25 - 26 Not applicable.
27 - 29 Reserved.
30 Displays system unit FSP IP address and location. This function is available only in the manual
operating mode and when activated by the FSP.
31 - 33 Reserved.
34 Retries the partition dump. This function is available only in the manual operating mode and when
activated by the operating system.
35 - 41 Reserved.
42 - 43 Not applicable.
44 - 49 Reserved.
50 - 52 Reserved.
53 Unconfigures an intermittently failing processor (repeat GARD function). This function is available
only in the manual operating mode.
54 Reserved.
55 Platform dump override. This function is available only in the manual operating mode when
activated by the FSP and when CE scroll ranges are enabled.
56-62 Reserved.
63 Progress indicator history. This function is available only in the manual operating mode.
64 Diagnostic status SRC trace. This function is available only in the manual operating mode.
65 Deactivates remote service. This function is available only in the manual operating mode when
activated by the operating system and when CE scroll ranges are enabled.
66 Activates remote service. This function is available only in the manual operating mode when
activated by the operating system and when CE scroll ranges are enabled.
67 Disk unit I/O processor (IOP) reset/reload is enabled only by specific disk unit SRCs. This function
is available only in the manual operating mode when activated by the operating system and when
CE scroll ranges are enabled.
68 Turns off power domains during concurrent maintenance of IOPs and IOAs. This function is
available only in the manual operating mode when activated by the operating system and when CE
scroll ranges are enabled.
69 Turns on power domains during concurrent maintenance of IOPs and IOAs. This function is
available only in the manual operating mode when activated by the operating system and when CE
scroll ranges are enabled.
70 Dump service processor control storage. These functions initiate an I/O processor (IOP) dump;
enabled by specific error conditions. This function is available only in the manual operating mode
when activated by the operating system and when CE scroll ranges are enabled.
Performing an IPL to dedicated service tools
Use this procedure to perform an initial program load (IPL) to dedicated service tools (DST).
This procedure is for the entire system, or if logical partitions are installed, for the primary partition.
50
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