Sysunit - IBM i 830 Repair Manual

Table 38.
System Model Name of FRU
Models 830
and SB2
Models 840
and SB3
This ends the procedure.

SYSUNIT

The failing item is the system processor hardware subsystem.
The system processor (System Unit) has failed and the diagnostic software was not
able to isolate the failure to a FRU.
1. Attempt a SLOW OVERRIDE IPL to run full processor hardware diagnostics.
Power off the system from the control panel. Change the IPL mode to manual,
and the IPL speed to SLOW OVERRIDE (S) using control panel function 2.
Power on the system.
Does the same SRC occur ?
Yes No
↓
Follow the service actions for the new SRC.
2. Is this system a Model 830 with SB2 System Unit and FC 9074 ?
Yes No
↓
Go to Step 4 on page 600 of this procedure.
3. See "Locations — Models 830, SB2 System Unit with FC 9074 Base I/O
Tower" on page 709.
Replace the following FRUs in order one at a time until the problem is
resolved. See "Chapter 4. Removal and Installation Procedures" on page 617.
Note: Be sure to IPL in SLOW OVERRIDE mode after each replacement.
a. Clock Card in location M06A
b. network interface controller (NIC) card in location M06
c. Processor Regulator Card in location M01
d. Processor Card in location M03
e. Processor Card in location M04
f. Power Supply in location PP1
g. Power Supply in location PP2
Chapter 3. Problem Isolation Procedures (PIPs), Failing Items, and Symbolic FRU Isolation
FRU Position
to Exchange
System Unit MB1
Backplane
System Unit MB1
Backplane /
Processor
Tower
Backplane
Symbolic FRUs
Link to Locations Link to Failing
Diagram Component Service
Information. (CCIN,
PN, Removal and
Installation
Procedure)
"Locations — Table 41 on
Models 830, SB2 page 710.
System Unit with
FC 9074 Base I/O
Tower" on
page 709.
"Locations — Table 42 on
Models 840, SB3 page 720.
System Unit with
Processor Tower
and FC 9079 Base
I/O Tower" on
page 719.
599