IBM pSeries 670 Service Manual page 554

Error Code Description
406A 0BF1 Self-tests detected fault in I/O hub chip 1 (port
x)
406A 0BF2 Self-tests detected fault in I/O hub chip 2 (port
x)
406A 0BF3 Self-tests detected fault in I/O hub chip 3 (port
x)
406A 0BF4 Self-tests detected fault in I/O hub chip 4 (port
x)
406A 0BF5 Self-tests detected fault in I/O hub chip 5 (port
x)
406A 0BF6 Self-tests detected fault in I/O hub chip 6 (port
x)
406A 0BF7 Self-tests detected fault in I/O hub chip 7 (port
x)
534 Eserver pSeries 670 Service Guide
Action/
Possible Failing FRU
1. Check the cabling on the following RIO
ports:
a. U1.18-P1-H2/Q3
b. U1.18-P1-H2/Q4
2. Replace the primary I/O book,
Location: U1.18-P1-H2
1. Check the cabling on the following RIO
ports:
a. U1.18-P1-H1/Q3
b. U1.18-P1-H1/Q4
2. Replace the RIO book,
Location: U1.18-P1-H1
1. Check the cabling on the following RIO
ports:
a. U1.18-P1-H1/Q1
b. U1.18-P1-H1/Q2
2. Replace the RIO book,
Location: U1.18-P1-H1
1. Check the cabling on the following RIO
ports:
a. U1.18-P1-H3/Q7
b. U1.18-P1-H3/Q8
2. Replace the RIO book,
Location: U1.18-P1-H3
1. Check the cabling on the following RIO
ports:
a. U1.18-P1-H3/Q5
b. U1.18-P1-H3/Q6
2. Replace the RIO book,
Location: U1.18-P1-H3
1. Check the cabling on the following RIO
ports:
a. U1.18-P1-H4/Q5
b. U1.18-P1-H4/Q6
2. Replace the RIO book,
Location: U1.18-P1-H4
1. Check the cabling on the following RIO
ports:
a. U1.18-P1-H4/Q7
b. U1.18-P1-H4/Q8
2. Replace the RIO book,
Location: U1.18-P1-H4