IBM x Series 200 User Manual download pdf (Page 108)

100 Hardware Maintenance Manual: xSeries 200

ServeRAID

For ServeRAID error codes and procedures, refer to the Hardware Maintenance

Manual for the particular RAID adapter in the system being serviced.

Undetermined problems

You are here because the diagnostic tests did not identify the failure, the Devices List

is incorrect, or the system is inoperative.

Note: A corrupt CMOS can cause undetermined problems.

If power problems are suspected:

1. Power-off the computer.

2. Be sure the system is cabled correctly.

3. Remove or disconnect the following (one at a time) until you find the failure

(power-on the computer and reconfigure each time).

• Any external devices

• Surge suppressor device (on the computer)

• Modem, printer, mouse, or non-IBM devices

• Each adapter

• Drives

• Memory Modules (Minimum requirement = one 128 MB DIMM)

Note: Minimum operating requirements are:

a. 1 Power Supply

b. System Board

c. 1 Microprocessor

d. 1 Terminator Card in Slot 2

e. 1 Memory Module (minimum of 1 DIMM in slot labeled DIMM 1)

4. Power-on the computer. If the problem remains, suspect the following FRUs in

the order listed:

Power Supply

System Board

Notes:

1. If the problem goes away when you remove an adapter from the system, and

replacing that adapter does not correct the problem, suspect the system board,

then the power supply.

2. If you suspect a networking problem and all the system tests pass, suspect a

network cabling problem external to the system.

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IBM x Series 200 User Manual Page 108