MAP 154A: I2C Bus Problem Isolation
Step 154A-1
Record the error code, location code(s), word 13, and word 16 that sent you to this MAP.
Step 154A-2
Turn off the power.
Examine the amber logic-power LEDs of all installed processor subsystem DCAs.
Step 154A-3
Are all amber logic-power LEDs of all installed processor subsystem DCAs off?
No
Call for support.
Yes
Go to “Step 154A-4”.
Step 154A-4
Examine the following table and locate the error code that sent you to this MAP to determine your next
step.
Error Code
Action
B1xx 4643
Go to “Step 154A-22” on page 303.
B1xx 4645
Go to “Step 154A-9” on page 302.
B1xx 4648, 406x 0001, 406x 0002, 406x 000A, 406x
000B, 406x 000C, 406x 000D
Go to “Step 154A-5”.
Step 154A-5
Replace the following books and modules, if present, one at a time:
v
First location code item recorded, if any, in “Step 154A-1”.
v
Second location code item recorded, if any, in “Step 154A-1”.
v
Primary I/O Book at U1.18-P1-H2 if not recorded in “Step 154A-1”.
v
Secondary I/O Book at U1.18-P1-H3 if not recorded in “Step 154A-1”.
v
Third I/O Book at U1.18-P1-H4 if not recorded in “Step 154A-1”.
v
Fourth I/O Book at U1.18-P1-H1 if not recorded in “Step 1549-1” on page 293.
v
System clock card, at U1.18-P1-X5 if not recorded in “Step 154A-1”.
Step 154A-6
Turn on the power.
Step 154A-7
Did the system stop with the same error code as recorded in “Step 154A-1”?
No
The book or module just replaced was defective.
This ends the procedure.
Return the system to its original configuration.
Go to
″
MAP 0410: Repair Checkout
″
in the
RS/6000 and
Eserver
pSeries Diagnostic Information
for Multiple Bus Systems
.
Yes
Go to “Step 154A-8”.
Step 154A-8
Have all the books listed in “Step 154A-5” been replaced?
No
Go to “Step 154A-2”.
Yes
Go to “Step 154A-14” on page 302.
Chapter 3. Maintenance Analysis Procedures
301
Summary of Contents for pSeries 670
Page 1: ...pSeries 670 Service Guide SA38 0615 03 ERserver...
Page 2: ......
Page 3: ...pSeries 670 Service Guide SA38 0615 03 ERserver...
Page 12: ...x Eserver pSeries 670 Service Guide...
Page 16: ...xiv Eserver pSeries 670 Service Guide...
Page 18: ...xvi Eserver pSeries 670 Service Guide...
Page 324: ...Yes Go to Step 154A 14 on page 302 304 Eserver pSeries 670 Service Guide...
Page 718: ...698 Eserver pSeries 670 Service Guide...
Page 848: ...L3 Cache Shorts Test Step 4 828 Eserver pSeries 670 Service Guide...
Page 849: ...L3 Cache Shorts Test Step 5 Chapter 9 Removal and Replacement Procedures 829...
Page 851: ...L3 Cache Shorts Test Step 2 Chapter 9 Removal and Replacement Procedures 831...
Page 853: ...L3 Cache Shorts Test Step 4 Chapter 9 Removal and Replacement Procedures 833...
Page 854: ...L3 Cache Shorts Test Step 5 834 Eserver pSeries 670 Service Guide...
Page 971: ...7040 Model 671 Media Subsystem 1 2 3 4 5 6 7 8 9 10 Chapter 10 Parts Information 951...
Page 973: ...Power and SCSI Cables to the Media Subsystem 1 2 3 5 4 6 Chapter 10 Parts Information 953...
Page 986: ...966 Eserver pSeries 670 Service Guide...
Page 990: ...970 Eserver pSeries 670 Service Guide...
Page 1018: ...998 Eserver pSeries 670 Service Guide...
Page 1020: ...1000 Eserver pSeries 670 Service Guide...
Page 1028: ...1008 Eserver pSeries 670 Service Guide...
Page 1031: ......