information.
SRC format examples (continued)
AAAA Type of I/O Bus (see Logical Address Format — field ’A’).
aaaa Unit address.
BBBB System Bus Number (see Logical Address Format — field ’B’).
BBBBCcbb Bus, bus, bus, bus, card, card, and board, board address (Direct Select Address or
DSA).
v For PCI system busses 0001-0003 and 0018-FFFF the Cc field is a one digit
multi-adapter bridge number and a one digit multi-adapter bridge function number.
v For SPD system busses 0004-0017 the Cc field is a two digit card number.
CCCC System Board Number (see Logical Address Format — field ’C’).
cccc cccc Component reference code. Format 62 varies by component.
DDDD System Card Number (see Logical Address Format — field ’D’).
EEEE (see Logical Address Format — Unit Address type — field ’E’).
FFFF (see Logical Address Format — Unit Address type — field ’F’).
GGGG (see Logical Address Format — Unit Address type — field ’G’).
HHHH (see Logical Address Format — Unit Address type — field ’H’).
JJJJ (see Logical Address Format — Unit Address type — field ’J’).
KKKK (see Logical Address Format — Unit Address type — field ’K’).
LMMM Level indicator plus 3″ digit model number (for example, 0001).
lmmm Level indicator plus 3″ digit model number of failing device.
0MMM Model number of failing device (i.e. MMM=’001’).
MIGV EP General system status.
NNNN Number of disk device facilities that are missing.
PPPP Cause code.
pppp pppp Programming reference code.
qqqq qqqq Programming reference code qualifier.
RRRR Unit reference code (URC).
rrrr Outboard failing unit reference code (URC).
SSSSSSSS System Reference Code — this SRC is used to determine why the primary console
failed to respond.
ssss Serial number of failing unit.
TTTT Type number or card identification number (hex).
tttt Outboard failing unit type number (i.e. 6607).
uuuu Unit-specific data
ww SRC type
ZZZZ Reserved
Note: Function 20 displays the machine type (940x), model number, and processor feature code.
578 Hardware (Remove and Replace; Part Locations and Listings)
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