JTPORT
For use by authorized service providers.
There is a problem with the J-Tag connection.
If a B1xx 4660 SRC sent you here, the JTAG-A external cable may be failing. For information about the
JTAG cable, see the Power and signal cables page.
If a B4xx xEB0 SRC sent you here, the following procedure will help you determine the failing item.
1. If there is an entry in the Service Action Log, replace any hardware listed. If that fails to correct the
problem, call your next level of support.
This ends the procedure.
2. If the system does not IPL and no SAL entry can be found, or if the SAL entry has no possible failing
items listed, do the following.
v See the B428 and B448 SRCs in the System reference code topic.
v Use the examples there to break down the SRC and extract any values that may be given for the
pairs RC02 and TP02, RC03 and TP03, RC04 and TP04, and RC05 and TP05. The TP0x values
are hardware CCIN numbers.
v Look up the associated part numbers in the Type, model, and part number list.
3.
The RC0x values are reference codes. Use the RC0x values and the table below to determine the
location for the associated CCIN. Replace any possible failing items one at a time.
Table 1. RCOx values
RC0x Value Location for Model 825
Location for
Models 870 and 890
x001 NA M15
x002 CB1 MB1
x003 C13 M21
x004 M01 M11
x005 M02 M16
x006 NA M14
x007 NA M41-C
x009 MB2 NA
x00A MB1 M41
x00B C08-C09 M40
x00C C08-C09 M30
x00D NA M39
x00E NB1-A M41-A
x00F NB1-B M41-B
x010 C13-C M18
x011 C13-A M24
x012 C13-D M07
x013 C13-B M02
x014 C13-G M25
x015 C13-E M08
x016 C13-H M01
x017 C13-F M17
Analyze hardware problems 357
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