Map 1541: Jtag Problem Isolation - IBM pSeries 670 Service Manual

Symptom/Reference Code/Checkpoint
406x 0C09
406x 0C0A
406x 0001, 406x 0002, 406x 000A, 406x 000B,
406x 000C, 406x 000D, B1xx 4643, B1xx 4645,
B1xx 4648
E101, E102, E10A, E10B, E111, E120, E121, E122,
E130, E131, E132, E133, E134, E135, E138, E139,
E13A, E149, E14C, E191, E19A, E19B, E19D, E1A0,
E1A1, E1A2, E1A3, E1A4, E1A5, E1A6, E1A7, E1A8,
E1A9, E1AA, E1AB, E1AC, E1AD, E1AE, E1AF, E1B1,
E1C4, E1C5, E1C6, E1D0, E1D3, E1D4, E1DB, E1F0

MAP 1541: JTAG Problem Isolation

Step 1541-1
Record the error code and location code(s) that sent you to this MAP.
Step 1541-2
Check the following list to find the location code(s) recorded in "Step 1541-1":
v L3 module at U1.18-P1-C5
v L3 module at U1.18-P1-C11
v L3 module at U1.18-P1-C14
v L3 module at U1.18-P1-C20
v L3 module at U1.18-P1-C9
v L3 module at U1.18-P1-C10
v L3 module at U1.18-P1-C6
v L3 module at U1.18-P1-C12
v L3 module at U1.18-P1-C13
v L3 module at U1.18-P1-C7
v L3 module at U1.18-P1-C15
v L3 module at U1.18-P1-C16
v L3 module at U1.18-P1-C17
v L3 module at U1.18-P1-C18
v L3 module at U1.18-P1-C19
v L3 module at U1.18-P1-C8
v MCM module 0 at U1.18-P1-C1
v MCM module 3 at U1.18-P1-C2
v MCM module 1 at U1.18-P1-C3
v MCM module 2 at U1.18-P1-C4
254 Eserver pSeries 670 Service Guide
Problem Isolation Procedures
Action
Go to "MAP 1546: Memory Book Problem Isolation" on
page 286.
Go to "MAP 1547: I/O Book Problem Isolation" on
page 288.
Go to "MAP 154A: I2C Bus Problem Isolation" on
page 301.
Attention:
L3 module, stop, read and understand the following
procedures: "MCM Module (Processor) and Pass Through
Modules" on page 799 and "L3 Cache Modules" on
page 819.
Go to "MAP 1548: Memory and Processor Problem
Isolation" on page 290.
Attention:
L3 module, stop, read and understand the following
procedures: "MCM Module (Processor) and Pass Through
Modules" on page 799 and "L3 Cache Modules" on
page 819.
Before you remove or replace any MCM or
Before you remove or replace any MCM or