IBM X366 Series Bedienungsanleitung

IBM CONFIDENTIAL 1

xSeries 366

Service and Support Considerations

Rev 2.7.1

March 2, 2006

IBM CONFIDENTIAL

IBM CONFIDENTIAL 2

Overview

This document is intended to assist the Service and Support teams in some potential

problems they may likely encounter on the x366.

IBM CONFIDENTIAL 3

I. Mechanical Concerns

A. Microprocessor tray removal

When removing the microprocessor tray through the front of the server, the memory

cards or planar will be damaged unless the memory cards are removed first. Please note

that all Fans must be removed as well before CPU tray can be removed. Also during

removal of the tray, the microprocessor heat sinks may hit or interfere with the top of the

chassis making removal difficult. To help alleviate the heat sink chassis interference, lift

up on the top of the chassis while removing the tray. A recommended lift point is via the

drive bay. Please see http://www-307.ibm.com/pc/support/site.wss/migr-60199.html for

additional information on tray removal.

IBM CONFIDENTIAL 4

B. SAS Hard Disk Backplane

Connectors on both the SAS hard disk drives and SAS backplane can become damaged if

the SAS backplane is not seated properly which can keep the Hard Disk Drives from

aligning properly on the backplane. Insure the SAS backplane is fully seated properly

before installing the hard disks. Three tabs on the backplane assembly must fully seat

into appropriate slots in the chassis.

C. x366 Capacitors: Shearing Off Elpida Memory Dimms

Warning:

The system may have intermittent memory failures if the DIMM decoupling capacitors

are broken. PC3200 DIMMs have a characteristic physical design where decoupling

capacitors are placed near the connector edge of the DIMM. The placement places the

capacitors in a position where the decoupling capacitors can easily be sheared off.

This is not a problem when one is careful to place the DIMM in the connector. A problem

may arise if the unwary hand places the DIMM in between the connectors. The capacitors

are small and will easily break off if the DIMM is placed in between the connectors.

Correct Action:

DIMMs must be carefully placed in the connector by aligning the DIMMs inside the

connector card guide and aligning the card so the connector key and the connector match.

Please see Memory Handling Guide at

http://www.samsung.com/Products/Semiconductor/Support/Label_CodeInfo/memory_m

odule_handling_guide.pdf . The guide on Samsung’s website applies to all memory

manufacturers and is the method approved by IBM.

DDR2 memory DIMMs cannot be handled in the same manner as the prior generation

DDR1 memory DIMMs. DDR1 DIMMs are more tolerant to mishandling. Improper

DDR2 DIMM handling can result in mechanical damage to the components on the

DIMMs such as cracked solder joints and solder joint separation.

D. Unable to disengage left front Bezel Cover Latch

When harddrives are installed in the two left most slots, it may be difficult and/or

impossible to press the left front bezel latch to remove the front cover. The solution is to

power the machine off and remove the left two drives, then remove bezel by pressing the

left and right bezel release buttons.

IBM CONFIDENTIAL 5

E. Power protection cap falls off

Under normal conditions, the protection cap will prevent inadvertent actuation of the

power switch. There have been reports where the protection caps will not remain

attached to the bezel. The power button protection cap is now being heat-stake attached.

Please contact the IBM support to obtain a replacement.

F. Force Power On jumper on I/O board s labeled incorrectly in PD Guide

The Force Power On jumper on the I/O board is labeled incorrectly in the PD Guide. The

layout in the PD Guide show pins 1 2 3 from left to right but actually they are 3 2 1. Pins

1 and 2 should be jumpered to force power on.

Please note that as of right now, the Force Power On Jumper does not by-pass the front

panel switch. Once the jumper is moved, the fans will spin up and the server will appear

to power on and hang at CP 0b. with nothing appearing on the screen. The CR11 led on

the PCI-X board will also be out. You must press the front panel power button in order

for the server to fully power on. Once the button is depressed, the CP codes will scroll

through as normal, the PCI-X CR11 led will come on solid, and shortly after the server

will post text on the screen as normal.

G. Bent Pins on memory board and possible F2 Checkpoint hang

If the server hangs during post at checkpoint F2 listed on Super I/O card, then check the

memory card/s for possible bent pins. Replace the card if found to have bent pins.

H. USB Floppy drive does not ship with the server

A floppy drive is not included with this server. If there are updates that can only be done

through bootable diskette, then the customer must provide his own USB floppy drive.

I. Problems Accessing CDROM

If a customer is having problems accessing CDROM’s during normal operation, then have them

update the CPLD code to version 1.01. CPLD code can be obtained at http://www-

307.ibm.com/pc/support/site.wss/ MIGR-60630.html .

IBM CONFIDENTIAL 6

II. Lightpath

A. System Information Light comes on when BMC System Event Log Full

The baseboard management controller (BMC) system event log (SEL) can have a

tendency to fill up quickly with many informational type messages. Once the BMC log is

70% full (approx 358 entries), the system bang light is illuminated. In environments

where A/C power is cycled often, the tendency for to log to fill quickly is particularly a

problem. Flashing the BMC firmware will also add many informational type messages

to the SEL.

To clear the Bang Light for a full SEL, Restart the server and press F1 when prompted to start the

Configuration/Setup Utility program.

a. Select Advanced Setup;

b. Select Baseboard management controller (BMC) settings;

c. Select BMC System Event Log

d. Select Clear error logs to clear the BMC system event log.

They can also be cleared online using the SMBridge command line tools. Please refer to

http://www-307.ibm.com/pc/support/site.wss/ MIGR-57729.html for additional

information on SMBridge.

B. PCI slot Attention and Power LED’s reversed

In other systems, when viewing the PCI slots from the rear of the system, a PCI error

condition can be seen because the amber “attention” LED is light-piped to the rear of the

system. On the x366 however, the PCI slot Attention and Power LED’s are reversed so

the green “power” LED is seen on any populated slot when the system is powered on. To

see whether there is a PCI error, first check the LightPath panel. If the “PCI” LED is lit,

then remove the top cover and view the individual slot Attention LED’s to determine

which slot is affected.

IBM CONFIDENTIAL 7

C. LED indicators for a faulty VRM

For the pluggable VRMs, initial BMC firmware levels will illuminate the VRM, CPU

and PCI board LEDs during a VRM fault. Newer code versions will illuminate only the

VRM and CPU. Regardless of the BMC firmware level, sensor circuitry is unable to

tell if a VRM fault is the result of a CPU or VRM failure. Since VRMs are less

expensive, a VRM should be replaced, prior to replacing the CPU.

Add the level of BMC code that has the fix.

SP LED blinks yellow in normal operation or good condition.

D. Dim LED’s on front panel indicator:

Power off the system, remove the white flex Op Panel cable from the I/O board, and

inspect the metal contact for damage. If the metal contacts are lifted from the cable

substrate, or if there are signs of the metal being scraped, the cable should be replaced.

The plastic contact separators on the I/O board connector (where the flex cable plugs in)

are sharp and can scrape the metal contacts on either end of the cable when the flex cable

is inserted. Please see http://www-307.ibm.com/pc/support/site.wss/ MIGR-60141.html

for further information.

In addition, this symptom may result from a blown fuse on the IO Adapter, often as a

result of problems with the flex cable mentioned above.

IBM CONFIDENTIAL 8

E. Disabling onboard Broadcom Nics result in Information Light coming on:

The System Info (!) LED on the Operator Information Panel & Log LED on the

Lightpath Panel will come on at POST and stay on if the on-board NIC is disabled in

BIOS Setup. This is not a hardware problem. The "Planar/PCI Device is disabled or not

responding" message will show in the System event Log (SEL). This message is the

cause of the LED's coming on. In the upcoming BIOS release this message will be

removed. If you re-enable the on-board NIC, or clear the log, the System Info (!) & Log

LEDs should go out if your logs are less than 70% full. What actually happens is the

LEDs stay lit until you AC Power Cycle the system.

III. Power Supply Considerations

A single x366 power supply is rated a 1300 Watts when used with a 220 V ac source, and

is capable of powering a fully loaded server without redundancy. With 110 V ac, this

power rating falls to 650 Watts for the same single power supply.

A. System configuration

A single 110V ac power supply can support a maximum configuration of 1

microprocessor, 2 PCI-X adapters, 3 hard disk drives, and 4 DIMMs. If you exceed this

configuration you must either install a second power supply or use 220V ac input.

If two power supplies are installed on 110V, the server will not support a full

configuration (700-800W) with redundancy. 220V must be used in order to maintain full

redundancy with a full configuration.

B. Fuel Gauge

The NONRED LED will be illuminated when the server is operating with non-redundant

power. If a power supply or its ac power source fails, the system will move to an over

spec state.

The Over spec LED will be illuminated when there is insufficient power to power the

system. When in an over spec state, an optional power supply can be added if only one

power supply is installed. Another alternative to fixing the over spec condition is to use

a 220V ac input source.

C. Power Supply Failure and Replacement

It is advisable to check the System Event Log (SEL) for other error conditions prior to

replacing a suspected bad power supply. As an example, a shorted circuit board would

likely show improper voltage levels in the SEL due to current limiting circuit protection.

IBM CONFIDENTIAL 9

IV. Machine Will Not Power On

If the X366 system will not power up, please check for the following in order.

A. If an RSA2 Slimline option was just installed, System may be temporarily hung.

Allow system at least 15 minutes to complete POST if a new RSA2 Slimline has just

been installed. Reason: the default option firmware results in a 10-12 minute temporary

hang with x366 BIOS. If the system eventually completes POST, flash the BIOS and

BMC code to the latest level. The new BIOS/BMC reduces the 15 minute wait at POST.

Then flash update the RSA2 Slimline. See http://www-307.ibm.com/pc/support/site.wss/

MIGR-59095.html for additional information.

B. Power off the system, remove the white flex Op Panel cable from the I/O board, and

inspect the metal contact for damage. If the metal contacts are lifted from the cable

substrate, or if there are signs of the metal being scraped, the cable should be replaced.

The plastic contact separators on the I/O board connector (where the flex cable plugs in)

are sharp and can scrape the metal contacts on either end of the cable when the flex cable

is inserted. Another symptom of a defective Flex Op cable would be dim leds on the

front panel display of the server. Please see http://www-

307.ibm.com/pc/support/site.wss/ MIGR-60141.html for further information.

C. Over heated inductors at these locations L14, L17, L28, L29, and L32 on the PCI-X

board can cause power faults which will prevent the server from powering on. Please see

ECA064 for further information

V. RSA2 and BMC Related Issues and Errors

A. SMBridge and Syscon Utilities

1. The SMBridge utility and instructions on how to use it can be obtained via the

web here http://www-307.ibm.com/pc/support/site.wss/ MIGR-57729.html . Use

this to pull BMC data remotely. The default IP of the BMC is 10.1.1.97, Subnet

255.255.255.0. The IP can be changed in F1 is required.

2. Syscon is another utility available to pull BMC data that differs slightly from

SMBridge. Use the Same BMC IP to retrieve the logs. Please contact your

regional IBM Support for this utility if needed.

3. Please contact IBM Support to have the BMC data analyzed.

IBM CONFIDENTIAL 10

B. RSA Configuration Settings and PCI slot information disappears in bios

If a customer states they can no longer see RSA configuration or PCI slot information

under Advanced Settings in F1, have them update their BMC code to 1.07 or later and

bios level 1.03 or later.

C. RSA does not communicate with BMC immediately on AC power Cycle

After an AC power cycle (power removed and reapplied to the server), the RSA does not

log events from the BMC for first 2 minutes. HOWEVER, if you wait 2- 2 ½ minutes

before pressing power, the RSA WILL record BMC events during the power up

sequence. If PD is being done and you cannot boot the machine, please wait two minutes

before pressing the power button and then pull BMC and RSA logs.

D. Cannot Change RSA2 IP in Bios

On certain occasions after an RSA 2 Slimline adapter is installed, you will not be able to

change the IP address, Subnet, or Gateway for the card from 4.9.1.1 in F1. This error

condition is a result of BMC to RSA communication failure. Flashing the RSA to the

correct x366 RSA code will correct the problem.

Ignoring the settings in F1, use another machine and crossover cable to the RSA and use

the following IP to access the RSA via web interface:

Default RSA2 IP: 192.168.70.125

Once logged in, flash the RSA to current firmware to correct the error.

E. DHCP enabled by default on RSA2

The default network setting on an RSA2 Slimline adapter is DHCP first, then Static.

There will be a 3-4 minute delay period in network access to the card each time the card

is restarted. It is during this period that the RSA will be looking for an IP from a DHCP

server. If it is unable to obtain a valid IP, it will revert to the default static IP and will

once again be accessible from the network. It is recommended to set to Static IP if the

card is not using DHCP.

F. 1602 Communication failure and/or long POST after RSA2 Installation:

If an RSA2 Slimline option was just installed, System may be temporarily hung on

POST. Allow system at least 15 minutes to complete POST if a new RSA2 Slimline has

just been installed. Reason: the default option firmware results in a 10-12 minute

temporary hang with x366 BIOS. If the system eventually completes POST, flash the

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