Use the information in this section to help you identify potential unsafe conditions in an IBM product that you are working on. Each IBM product, as it was designed and manufactured, has required safety items to protect users and service technicians from injury.
Page 11
v Do not touch the reflective surface of a dental mirror to a live electrical circuit. The surface is conductive and can cause personal injury or equipment damage if it touches a live electrical circuit. v Some rubber floor mats contain small conductive fibers to decrease electrostatic discharge.
Be sure to read all caution and danger statements in this documentation before performing the instructions. Read any additional safety information that comes with your server or optional device before you install the device. IBM xSeries 306m Types 8849 and 8491: Problem Determination and Service Guide...
Page 13
Statement 1: DANGER Electrical current from power, telephone, and communication cables is hazardous. To avoid a shock hazard: v Do not connect or disconnect any cables or perform installation, maintenance, or reconfiguration of this product during an electrical storm. v Connect all power cords to a properly wired and grounded electrical outlet.
Page 14
Statement 2: CAUTION: When replacing the lithium battery, use only IBM Part Number 33F8354 or an equivalent type battery recommended by the manufacturer. If your system has a module containing a lithium battery, replace it only with the same module type made by the same manufacturer.
Page 15
Statement 4: ≥ 18 kg (39.7 lb) ≥ 32 kg (70.5 lb) ≥ 55 kg (121.2 lb) CAUTION: Use safe practices when lifting. Statement 5: CAUTION: The power control button on the device and the power switch on the power supply do not turn off the electrical current supplied to the device.
Page 16
>82 kg (180 lb) Attention: This server is suitable for use on an IT power distribution system, whose maximum phase to phase voltage is 240 V under any distribution fault condition. IBM xSeries 306m Types 8849 and 8491: Problem Determination and Service Guide...
Replaceable components are of three types: v Tier 1 customer replaceable unit (CRU): Replacement of Tier 1 CRUs is your responsibility. If IBM installs a Tier 1 CRU at your request, you will be charged for the installation. v Tier 2 customer replaceable unit: You may install a Tier 2 CRU yourself or request IBM to install it, at no additional charge, under the type of warranty service that is designated for your server.
These updates are available from the IBM Web site. To check for updated documentation and technical updates, complete the following steps. Note: Changes are made periodically to the IBM Web site. The actual procedure might vary slightly from what is described in this document.
2133 m (6998.0 ft) will operate. v Humidity: – Server on: 8% to 80% – Server off: 8% to 80% Note: Some operating systems, such as SCO 6.0 and UnixWare 7.14, do not support RAID. See http://www.ibm.com/servers/eserver/serverproven/compat/us/. Chapter 1. Introduction...
CD-eject button: Press this button to release a CD from the CD drive. CD drive activity LED: When this LED is lit, it indicates that the CD drive is in use. IBM xSeries 306m Types 8849 and 8491: Problem Determination and Service Guide...
Rear view The following illustration shows the LEDs on the rear of the server. Ethernet 1 transmit / receive Ethernet 2 speed LED activity LED Ethernet 2 transmit / receive Ethernet 1 speed LED activity LED Ethernet transmit/receive activity LED: This LED is on each Ethernet connector. When this LED is lit, it indicates that there is activity between the server and the network.
System-board internal connectors The following illustration shows the internal connectors on the system board. IBM xSeries 306m Types 8849 and 8491: Problem Determination and Service Guide...
System-board switches and jumpers The following illustration shows the switches and jumpers on the system board. The following illustration identifies the pins on a jumper and shows the location of pin 1. Pin 1 mark Table 2. Switch and jumper settings Component Settings CMOS jumper (JP3)
System-board external connectors The following illustration shows the external connectors on the system board. IBM xSeries 306m Types 8849 and 8491: Problem Determination and Service Guide...
System-board LEDs The following illustration shows the light-emitting diodes (LEDs) on the system board. Table 3. System-board LEDs Description Error LEDs The associated component has failed. Baseboard management This LED flashes to indicate that the mini-BMC is functioning controller status LED normally.
The following illustration shows the location of the PCI-X and PCI Express slots on the riser-card assembly option. PCI-X slot 1 64-bit 3.3 V 66/100 MHz PCI Express x8 slot IBM xSeries 306m Types 8849 and 8491: Problem Determination and Service Guide...
The ServerGuide Setup and Installation CD provides software setup tools and installation tools that are specifically designed for your IBM server. Use this CD during the initial installation of the server to configure basic hardware features and to simplify the operating-system installation.
Change interrupt request (IRQ) settings v Enable USB keyboard and mouse support v Resolve configuration conflicts Go to http://www.ibm.com/support/ to check for the latest version of the BIOS code. Starting the Configuration/Setup Utility program To start the Configuration/Setup Utility program, complete the following steps: 1.
Using the SAS/SATA Configuration Utility program (hot-swap SAS/SATA models only) Important: A configuration conflict (error 1801) might occur if the SATA RAID and SAS/SATA RAID are both enabled. If you are enabling SAS/SATA RAID, make sure the SATA RAID Enable option in the Configuration/Setup Utility program is disabled.
Use the Array Configuration Utility, in the Adaptec RAID Configuration Utility programs, to add RAID level-0 and level-1 functionality to the integrated SATA controller (simple-swap models). This utility is part of the BIOS code. IBM xSeries 306m Types 8849 and 8491: Problem Determination and Service Guide...
Page 31
SAS/SATA Configuration Utility program (for SAS/SATA HostRAID)” on page 16. For additional information about using the Adaptec RAID Configuration Utility programs, see the documentation on the IBM ServeRAID-8e (Adaptec HostRAID) Support CD. If this CD did not come with the server, you can download it from http://www.ibm.com/support/.
Page 32
Using the SAS/SATA HostRAID feature: The instructions in this section describe how to access the SAS/SATA HostRAID feature (hot-swap models only) from the SAS/SATA Configuration Utility program and perform an initial RAID level-1 IBM xSeries 306m Types 8849 and 8491: Problem Determination and Service Guide...
configuration. If you install a RAID adapter in the server, use the method that is described in the instructions that come with the adapter to view or change SAS settings for attached devices. For additional information about how to use the SAS/SATA HostRAID feature, see the documentation on the ServeRAID-8e (Adaptec HostRAID) Support CD.
Page 34
6. To change the serial number, type sn zzzzzzz where zzzzzzz is the serial number; then, press Enter. 7. To change the asset tag, type asset aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa where aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa is the asset tag number; then, press Enter. 8. Restart the server. IBM xSeries 306m Types 8849 and 8491: Problem Determination and Service Guide...
Chapter 3. Parts listing, Type 8849 and Type 8491 server The following replaceable components are available for the xSeries 306m Type 8849 and Type 8491 servers. To check for an updated parts listing on the Web, complete the following steps: 1.
Page 36
Do not remove the preinstalled air deflector unless directed to do so in this publication or by IBM Service. See the illustration on page 47 for the location of the air deflector in the server. An air deflector comes in Misc. kit 2 in the following list.
Replaceable components are of three types: v Tier 1 customer replaceable unit (CRU): Replacement of Tier 1 CRUs is your responsibility. If IBM installs a Tier 1 CRU at your request, you will be charged for the installation. v Tier 2 customer replaceable unit: You may install a Tier 2 CRU yourself or request IBM to install it, at no additional charge, under the type of warranty service that is designated for your server.
Page 38
Microprocessor, 3.2 GHz 2M (models 30x, 3Ax, ECx, EJx) 39M6289 Microprocessor, 3.4 GHz 2M (models 40x, 4Ax, E5x) 39M6290 Microprocessor, 3.4 GHz/800 MHz 4MB (models K2x, 40K9243 K4x) IBM xSeries 306m Types 8849 and 8491: Problem Determination and Service Guide...
Page 39
Table 4. Parts listing, Type 8849 and 8491 (continued) CRU part CRU part number number FRU part Index Description (Tier 1) (Tier 2) number Microprocessor, 3.4 GHz/800 MHz 4MB (models JAx, 42C1274 JBx) Microprocessor, 3.6 GHz 2M (models 50x, 5Ax) 39M6291 Microprocessor, 3.6 GHz/800 MHz 4MB (model 94x) 42C1150...
Wrap plug, RJ45 (optional) 39Y9636 Power cords For your safety, IBM provides a power cord with a grounded attachment plug to use with this IBM product. To avoid electrical shock, always use the power cord and plug with a properly grounded outlet.
Page 41
IBM power cord part number Used in these countries and regions 39M5123 Afghanistan, Albania, Algeria, Andorra, Angola, Armenia, Austria, Azerbaijan, Belarus, Belgium, Benin, Bosnia and Herzegovina, Bulgaria, Burkina Faso, Burundi, Cambodia, Cameroon, Cape Verde, Central African Republic, Chad, Comoros, Congo (Democratic Republic of), Congo (Republic of), Cote D’Ivoire...
Page 42
IBM power cord part number Used in these countries and regions 39M5068 Argentina, Paraguay, Uruguay 39M5226 India 39M5233 Brazil IBM xSeries 306m Types 8849 and 8491: Problem Determination and Service Guide...
Replaceable components are of three types: v Tier 1 customer replaceable unit (CRU): Replacement of Tier 1 CRUs is your responsibility. If IBM installs a Tier 1 CRU at your request, you will be charged for the installation. v Tier 2 customer replaceable unit: You may install a Tier 2 CRU yourself or request IBM to install it, at no additional charge, under the type of warranty service that is designated for your server.
You have replaced a failed fan as soon as possible. v You have kept the preinstalled air deflector in place unless directed to remove it in this publication or by IBM Service. See the illustration on page 47 for the location of the air deflector in the server.
To reduce the possibility of damage from electrostatic discharge, observe the following precautions: v Limit your movement. Movement can cause static electricity to build up around you. v The use of a grounding system is recommended. For example, wear an electrostatic-discharge wrist strap, if one is available.
Removing and replacing Tier 1 CRUs Replacement of Tier 1 CRUs is your responsibility. If IBM installs a Tier 1 CRU at your request, you will be charged for the installation. The illustrations in this document might differ slightly from your hardware.
a. Press the release latches on the inside of both front corners of the server. b. Tilt the bezel forward and pull it away from the server. 7. If you are instructed to return the cover and bezel, follow all packaging instructions, and use any packaging materials for shipping that are supplied to you.
3. Remove the server from the rack; then, remove the cover (see “Removing the cover” on page 30). 4. Grasp the riser-card assembly at the rear edge and lift to remove the riser-card assembly. IBM xSeries 306m Types 8849 and 8491: Problem Determination and Service Guide...
PCI-X slot and one PCI Express slot. See the ServerProven list at http://www.ibm.com/servers/eserver/serverproven/compat/us/ for a list of riser-card assemblies and adapters that you can use with the server. v You can install one full-height three-quarter-length adapter in expansion slot 1 and one low-profile half-length adapter in expansion slot 2.
Page 50
Attention: PCI expansion-slot covers must be installed on all vacant slots. This maintains the electronic emissions characteristics of the server and ensures proper cooling of server components. IBM xSeries 306m Types 8849 and 8491: Problem Determination and Service Guide...
6. Touch the static-protective package that contains the adapter to any unpainted metal surface on the server. Then, remove the adapter from the static-protective package. Avoid touching the components and gold-edge connectors on the adapter. 7. If the adapter is a ServeRAID 8i controller, complete the following steps to install the low-profile expansion-slot bracket on the adapter: a.
Page 52
The server hot-swap models support either two SAS hard disk drives or two SATA hard disk drives. The removal and installation procedures are the same for either type of drive. The illustrations in this procedure show SAS drives. IBM xSeries 306m Types 8849 and 8491: Problem Determination and Service Guide...
Page 53
To remove a hot-swap hard disk drive, complete the following steps. Attention: To avoid damage to the hard disk drive connectors, make sure that the server cover is in place and fully closed whenever you install or remove a hard disk drive.
DIMM Retaining clip 7. If you are instructed to return the DIMM, follow all packaging instructions, and use any packaging materials for shipping that are supplied to you. IBM xSeries 306m Types 8849 and 8491: Problem Determination and Service Guide...
DIMMs: v The server supports 512 MB, 1 GB, and 2 GB DIMMs, for a maximum of 8 GB of system memory. See the ServerProven list at http://www.ibm.com/servers/ eserver/serverproven/compat/us/ for a list of memory modules you can use with the server.
Disconnect the fan cable from the system board. b. Grasp the top of the fan with your index finger and thumb and lift the fan out of the server. IBM xSeries 306m Types 8849 and 8491: Problem Determination and Service Guide...
Page 57
8. Position the replacement fan so that the airflow arrow on the side of the fan is pointing toward the rear of the server. Note: Correct airflow is from the front to the rear of the server. Fan bracket cable channel Fan bracket Fan bracket cable slot...
Removing and replacing Tier 2 CRUs You may install a Tier 2 CRU yourself or request IBM to install it, at no additional charge, under the type of warranty service that is designated for your server.
Page 59
Statement 2: CAUTION: When replacing the lithium battery, use only IBM Part Number 33F8354 or an equivalent type battery recommended by the manufacturer. If your system has a module containing a lithium battery, replace it only with the same module type made by the same manufacturer.
Installing a CD or DVD drive To install the replacement CD or DVD drive, compete the following steps: 1. Follow the instructions that come with the drive to set any jumpers or switches. IBM xSeries 306m Types 8849 and 8491: Problem Determination and Service Guide...
2. Attach the drive-retention clip to the side of the drive. 3. Slide the drive into the CD/DVD drive bay until the drive clicks into place. 4. Replace the cover (see “Installing the cover” on page 31). 5. Slide the server into the rack. 6.
Attention: This server is suitable for use on an IT power distribution system, whose maximum phase to phase voltage is 240 V under any distribution fault condition. IBM xSeries 306m Types 8849 and 8491: Problem Determination and Service Guide...
To remove the power supply, complete the following steps: Power supply Captive screw Air deflector Rear screw 1. Read the safety information that begins on page vii and “Installation guidelines” on page 27. 2. Disconnect the ac power cord from the connector on the power supply. Disconnect all external cables from the server.
Page 64
15. Connect the other end of the ac power cord into a properly grounded electrical outlet. 16. Press the power-control button. 17. Make sure that the power-on LED on the front of the server is lit. IBM xSeries 306m Types 8849 and 8491: Problem Determination and Service Guide...
You can replace the riser-card assembly with one that contains one PCI-X connector and one PCI Express connector. See the ServerProven list at http://www.ibm.com/servers/eserver/serverproven/compat/us/ for a list of riser-card assemblies that you can use with the server. Chapter 4. Removing and replacing server components...
Note: The following illustration shows removing the hot-swap SAS/SATA backplane. 1. Read the safety information that begins on page vii and “Installation guidelines” on page 27. IBM xSeries 306m Types 8849 and 8491: Problem Determination and Service Guide...
2. Turn off the server and peripheral devices, and disconnect the power cords and all external cables necessary to replace the device. 3. Remove the server from the rack and place it on a flat, non-conductive surface. 4. Pull the hard disk drives out of the server slightly to disengage them from the backplane or back panel.
Page 68
Make sure that the top of each alignment pin has expanded to hold the controller card securely in place. 4. Connect the cable from the SAS/SATA controller to the SAS/SATA backplane. IBM xSeries 306m Types 8849 and 8491: Problem Determination and Service Guide...
Page 69
5. Install the riser-card assembly (see “Installing the riser-card assembly” on page 49). 6. Install the cover (see “Installing the cover” on page 31). 7. Slide the server into the rack. 8. Connect the cables and power cords (see “Completing the installation” in the Installation Guide or User’s Guide for cabling instructions).
6. Lift the side of the heat-exchanger assembly that is closer to the middle of the server, slide it toward the middle of the server slightly, and lift the entire IBM xSeries 306m Types 8849 and 8491: Problem Determination and Service Guide...
Page 71
assembly out of the server. Microprocessor release latch Microprocessor bracket frame 7. Open the microprocessor release latch to the fully-open position. 8. Open the microprocessor bracket frame. Attention: Use the vacuum tool provided with the replacement part to remove the microprocessor. Dropping the microprocessor during removal can damage the contacts.
Page 72
“Thermal grease” on page 57 for instructions on replacing the contaminated or missing thermal grease; then, return here and continue with step 4. 4. Make sure that the heat-exchanger assembly release latch is fully opened. IBM xSeries 306m Types 8849 and 8491: Problem Determination and Service Guide...
Page 73
Heat-exchanger assembly Release latch Alignment pins Alignment hole 5. With the heat-exchanger assembly at an angle as shown in the illustration, carefully align the heat-exchanger assembly with the microprocessor and the heat exchanger bracket on the system board. Make sure that the alignment pins (the two heat-exchanger nibs that are closer to the microprocessor) protrude through the alignment hole (the opening in the side of the heat exchanger socket) and that the flange of the heat sink rests under the lip of...
Page 74
(0.22 mL) of the grease will remain in the syringe. 6. Install the heat exchanger onto the microprocessor as described in “Installing the microprocessor” on page 56. IBM xSeries 306m Types 8849 and 8491: Problem Determination and Service Guide...
Removing the system board To remove the system board, complete the following steps: 1. Read the safety information that begins on page vii, “Installation guidelines” on page 27, and “Handling static-sensitive devices” on page 28. 2. Turn off the server, and disconnect all power cords and external cables; then, remove the server cover (see “Removing the cover”...
CD image. v Update the UUID (see “Updating the UUID” on page 17). v Update the DMI/SMBIOS (see “Updating the DMI/SMBIOS data” on page 17). IBM xSeries 306m Types 8849 and 8491: Problem Determination and Service Guide...
Diagnostic programs, messages, and error messages The diagnostic programs are the primary method of testing the major components of the server. The diagnostic programs are on the IBM Enhanced Diagnostics CD. See “Diagnostic programs, messages, and error codes” on page 89 for more information.
Page 78
DIMMs b. (Trained service technician only) System board 2-1-1 Secondary DMA register failed. (Trained service technician only) Replace the system board. IBM xSeries 306m Types 8849 and 8491: Problem Determination and Service Guide...
Page 79
v Follow the suggested actions in the order in which they are listed in the Action column until the problem is solved. v See Chapter 3, “Parts listing, Type 8849 and Type 8491 server,” on page 19 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).
Page 80
2. Replace the following components one at a time, in the order shown, restarting the server each time: a. DIMMs b. (Trained service technician only) System board IBM xSeries 306m Types 8849 and 8491: Problem Determination and Service Guide...
Error logs The POST error log contains the three most recent error codes and messages that were generated during POST. The system event log contains messages that were generated by the mini-BMC. The system event/error log is a combined log that contains messages that were generated during POST and all system status messages from the mini-BMC.
2. (Trained service technician only) Replace the system board. System and processor error. 1. (Trained service technician only) Reseat the system board. 2. (Trained service technician only) Replace the system board. IBM xSeries 306m Types 8849 and 8491: Problem Determination and Service Guide...
Page 83
v Follow the suggested actions in the order in which they are listed in the Action column until the problem is solved. v See Chapter 3, “Parts listing, Type 8849 and Type 8491 server,” on page 19 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).
Page 84
A DIMM has been disabled by the system. 1. Make sure that the DIMM is installed correctly (see “Installing a memory module (DIMM)” on page 39). 2. Reseat the DIMM. 3. Replace the DIMM. IBM xSeries 306m Types 8849 and 8491: Problem Determination and Service Guide...
Page 85
v Follow the suggested actions in the order in which they are listed in the Action column until the problem is solved. v See Chapter 3, “Parts listing, Type 8849 and Type 8491 server,” on page 19 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).
Page 86
3. Replace the following components one at a time, in the order shown, restarting the server each time: a. Riser card b. (Trained service technician only) System board IBM xSeries 306m Types 8849 and 8491: Problem Determination and Service Guide...
Page 87
v Follow the suggested actions in the order in which they are listed in the Action column until the problem is solved. v See Chapter 3, “Parts listing, Type 8849 and Type 8491 server,” on page 19 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).
Page 88
I9990650 AC power has been restored. 1. Check the power cables. 2. Check for interruption of the power supply. IBM xSeries 306m Types 8849 and 8491: Problem Determination and Service Guide...
Checkout procedure The checkout procedure is the sequence of tasks that you should follow to diagnose a problem in the server. About the checkout procedure Before performing the checkout procedure for diagnosing hardware problems, review the following information: v Read the safety information beginning on page vii. v The diagnostic programs provide the primary methods of testing the major components of the server, such as the system board, Ethernet controller, keyboard, mouse (pointing device), serial ports, and hard disk drives.
Page 90
“Solving undetermined problems” on page 110. v Yes: Find the beep code in “POST beep codes” on page 61; if necessary, see “Solving undetermined problems” on page 110. IBM xSeries 306m Types 8849 and 8491: Problem Determination and Service Guide...
Troubleshooting tables Use the troubleshooting tables to find solutions to problems that have identifiable symptoms. If you cannot find the problem in these tables, see “Running the diagnostic programs” on page 89 for information about testing the server. If you have just added new software or a new optional device and the server is not working, complete the following steps before using the troubleshooting tables: 1.
A hard disk drive was not Reseat all hard disk drives and cables; then, run the hard disk drive diagnostic detected while the operating tests again. system was being started. IBM xSeries 306m Types 8849 and 8491: Problem Determination and Service Guide...
v Follow the suggested actions in the order in which they are listed in the Action column until the problem is solved. v See Chapter 3, “Parts listing, Type 8849 and Type 8491 server,” on page 19 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).
4. Replace the following components one at a time, in the order shown, restarting the server each time: a. Mouse or pointing device b. (Trained service technician only) System board IBM xSeries 306m Types 8849 and 8491: Problem Determination and Service Guide...
USB keyboard, mouse, or pointing-device problems v Follow the suggested actions in the order in which they are listed in the Action column until the problem is solved. v See Chapter 3, “Parts listing, Type 8849 and Type 8491 server,” on page 19 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).
2. Make sure that the server supports the microprocessor. microprocessor is not working 3. (Trained service technician only) Make sure that the microprocessor is seated correctly. correctly. 4. (Trained service technician only) Replace the microprocessor. IBM xSeries 306m Types 8849 and 8491: Problem Determination and Service Guide...
Monitor problems Some IBM monitors have their own self-tests. If you suspect a problem with your monitor, see the documentation that comes with the monitor for instructions for testing and adjusting the monitor. If you cannot diagnose the problem, call for service.
Page 98
2. Reseat the monitor cable. 3. Replace the following components one at a time, in the order shown, restarting the server each time: a. Monitor b. (Trained service technician only) System board IBM xSeries 306m Types 8849 and 8491: Problem Determination and Service Guide...
An IBM optional device that was 1. Make sure that: just installed does not work. v The device is designed for the server (see http://www.ibm.com/servers/ eserver/serverproven/compat/us/). v You followed the installation instructions that came with the device and the device is installed correctly.
20 seconds; then, reconnect the ac power cord and restart the server. 2. If the problem remains or if you are using an ACPI-aware operating system, suspect the I/O board. IBM xSeries 306m Types 8849 and 8491: Problem Determination and Service Guide...
v Follow the suggested actions in the order in which they are listed in the Action column until the problem is solved. v See Chapter 3, “Parts listing, Type 8849 and Type 8491 server,” on page 19 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).
2. If you received any error messages when using the software, see the information that comes with the software for a description of the messages and suggested solutions to the problem. 3. Contact your place of purchase of the software. IBM xSeries 306m Types 8849 and 8491: Problem Determination and Service Guide...
Universal Serial Bus (USB) port problems v Follow the suggested actions in the order in which they are listed in the Action column until the problem is solved. v See Chapter 3, “Parts listing, Type 8849 and Type 8491 server,” on page 19 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).
Page 104
7. Look at the system service label on the underside of the server cover, which gives an overview of internal components. This information can often provide enough information to correct the error. The following illustration shows the LEDs on the system board. IBM xSeries 306m Types 8849 and 8491: Problem Determination and Service Guide...
7. Select CD-ROM as the first startup device. 8. Press Esc two times to return to the Configuration/Setup Utility menu. 9. Insert the IBM Enhanced Diagnostics CD into the CD drive. 10. Select Save & Exit Setup and follow the prompts. The diagnostic programs start.
User Aborted: You stopped the test before it was completed. Not Applicable: You attempted to test a device that is not present in the server. Aborted: The test could not proceed because of the server configuration. IBM xSeries 306m Types 8849 and 8491: Problem Determination and Service Guide...
Warning: The test could not be run. There was no failure of the hardware that was being tested, but there might be a hardware failure elsewhere, or another problem prevented the test from running; for example, there might be a configuration problem, or the hardware might be missing or is not being recognized.
Page 108
Hot-swap SAS/SATA hard disk drive backplane cables b. ServeRAID adapter 3. Replace the components listed in step 2 one at a time, in the order shown, restarting the server each time. IBM xSeries 306m Types 8849 and 8491: Problem Determination and Service Guide...
Page 109
v Follow the suggested actions in the order in which they are listed in the Action column until the problem is solved. v See Chapter 3, “Parts listing, Type 8849 and Type 8491 server,” on page 19 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).
Page 110
Adapter NVSRAM test error. 1. Update the RAID controller firmware on the RAID adapter (see “Updating the firmware” on page 11). 2. Reseat the RAID adapter. 3. Replace the RAID adapter. IBM xSeries 306m Types 8849 and 8491: Problem Determination and Service Guide...
Page 111
v Follow the suggested actions in the order in which they are listed in the Action column until the problem is solved. v See Chapter 3, “Parts listing, Type 8849 and Type 8491 server,” on page 19 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).
Page 112
2. Replace the following components one at a time, in the order shown, restarting the server each time: a. DIMMs in bank n b. (Trained service technician only) System board IBM xSeries 306m Types 8849 and 8491: Problem Determination and Service Guide...
Page 113
v Follow the suggested actions in the order in which they are listed in the Action column until the problem is solved. v See Chapter 3, “Parts listing, Type 8849 and Type 8491 server,” on page 19 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).
Page 114
3. Replace the following components one at a time, in the order shown, restarting the server each time: a. Ethernet adapter b. (Trained service technician only) System board IBM xSeries 306m Types 8849 and 8491: Problem Determination and Service Guide...
BIOS code for the server through one of the following methods: v Downloading the latest BIOS code from the IBM Web site, creating an update diskette, and using an external USB diskette drive to install the BIOS code.
4. Make sure the system board area in the chassis is free of objects; then, replace the system board in the chassis (see “Installing the system board” on page 60). IBM xSeries 306m Types 8849 and 8491: Problem Determination and Service Guide...
Page 117
5. Make sure to reinstall all removable components on the system board and reconnect all cables to the system board. Reseat the power supply (Trained service technician only) Complete the following steps: 1. Remove the power supply from the server (see “Removing the power supply”...
Page 118
Fan x Outside Recommended Speed. 1. Make sure that fan x is not obstructed: 2. Reseat the following components: a. Fan x b. Fan x cable 3. Replace fan x. IBM xSeries 306m Types 8849 and 8491: Problem Determination and Service Guide...
Page 119
v Follow the suggested actions in the order in which they are listed in the Action column until the problem is solved. v See Chapter 3, “Parts listing, Type 8849 and Type 8491 server,” on page 19 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).
Page 120
1. Make sure that the fans have good airflow and are not temperature. obstructed. 2. (Trained service technician only) Reseat the system board. 3. (Trained service technician only) Replace the system board. IBM xSeries 306m Types 8849 and 8491: Problem Determination and Service Guide...
Page 121
v Follow the suggested actions in the order in which they are listed in the Action column until the problem is solved. v See Chapter 3, “Parts listing, Type 8849 and Type 8491 server,” on page 19 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).
Page 122
1. Reseat the following components: a. (Trained service technician only) System board b. (Trained service technician only) Power supply 2. (Trained service technician only) Replace the system board. IBM xSeries 306m Types 8849 and 8491: Problem Determination and Service Guide...
Page 123
v Follow the suggested actions in the order in which they are listed in the Action column until the problem is solved. v See Chapter 3, “Parts listing, Type 8849 and Type 8491 server,” on page 19 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).
2. Check for loose cables in the power subsystem. Also check for short circuits, for example, if a loose screw is causing a short circuit on a circuit board. IBM xSeries 306m Types 8849 and 8491: Problem Determination and Service Guide...
3. Remove the adapters and disconnect the cables and power cords to all internal and external devices until the server is at the minimum configuration that is required for the server to start (see “Solving undetermined problems” on page 110 for the minimum configuration). 4.
– If it has been working, what changes were made prior to it failing? – Is this the original reported failure? v Diagnostics version – Type and version level IBM xSeries 306m Types 8849 and 8491: Problem Determination and Service Guide...
“non-working” systems will often lead to problem resolution. Calling IBM for service See Appendix A, “Getting help and technical assistance,” on page 113 for information about calling IBM for service. When you call for service, have as much of the following information available as possible:...
Page 128
Address jumpers, terminators, and cabling v Software versions and levels v Diagnostic program type and version level v Configuration option settings v Operating-system control-file setup IBM xSeries 306m Types 8849 and 8491: Problem Determination and Service Guide...
If you need help, service, or technical assistance or just want more information about IBM products, you will find a wide variety of sources available from IBM to assist you. This appendix contains information about where to go for additional information about IBM and IBM products, what to do if you experience a problem ®...
Getting help and information from the World Wide Web On the World Wide Web, the IBM Web site has up-to-date information about IBM xSeries and IntelliStation systems, optional devices, services, and support. The ® address for IBM xSeries and BladeCenter information is http://www.ibm.com/...
Web sites. The materials at those Web sites are not part of the materials for this IBM product, and use of those Web sites is at your own risk. IBM may use or distribute any of the information you supply in any way it believes appropriate without incurring any obligation to you.
Other company, product, or service names may be trademarks or service marks of others. Important notes Processor speeds indicate the internal clock speed of the microprocessor; other factors also affect application performance. IBM xSeries 306m Types 8849 and 8491: Problem Determination and Service Guide...
IBM makes no representations or warranties with respect to non-IBM products. Support (if any) for the non-IBM products is provided by the third party, not IBM. Some software may differ from its retail version (if available), and may not include user manuals or all program functionality.
United States, go to http://www.ibm.com/ibm/environment/ products/batteryrecycle.shtml or contact your local waste disposal facility. In the United States, IBM has established a return process for reuse, recycling, or proper disposal of used IBM sealed lead acid, nickel cadmium, nickel metal hydride, and battery packs from IBM equipment.
Properly shielded and grounded cables and connectors must be used in order to meet FCC emission limits. IBM is not responsible for any radio or television interference caused by using other than recommended cables and connectors or by unauthorized changes or modifications to this equipment.
Japanese Voluntary Control Council for Interference (VCCI) statement Power cords For your safety, IBM provides a power cord with a grounded attachment plug to use with this IBM product. To avoid electrical shock, always use the power cord and plug with a properly grounded outlet.
Page 137
The cord set should have the appropriate safety approvals for the country in which the equipment will be installed. IBM power cords for a specific country or region are usually available only in that country or region.
Page 138
Colombia, Costa Rica, Cuba, Dominican Republic, Ecuador, El Salvador, Guam, Guatemala, Haiti, Honduras, Jamaica, Mexico, Micronesia (Federal States of), Netherlands Antilles, Nicaragua, Panama, Peru, Philippines, Saudi Arabia, Thailand, Taiwan, United States of America, Venezuela IBM xSeries 306m Types 8849 and 8491: Problem Determination and Service Guide...
Page 140
Ethernet transmit/receive activity 5 diagnostic tests, types of 90 hard disk drive activity 4 hot-swap SATA 36 locator 4 installing 35, 36 power-on 4 problems 76 system error 4 removing 35 IBM xSeries 306m Types 8849 and 8491: Problem Determination and Service Guide...
Page 141
LEDs power supply front 4 replacing 46 operator information panel 87 reseating 101 rear 5 power-control system board 87 button 4 locator LED 4 button shield 4 power-cord connector 5 power-on LED 4 problem isolation tables 75 problems memory CD-ROM, DVD-ROM drive 75 installing 39 Ethernet controller 109 removing 38...
Page 142
7 system board internal connectors 6 jumper blocks 7 reseating 100 switches and jumpers 7 system-error LED 4 log 100 temperature 3 test log, viewing 91 IBM xSeries 306m Types 8849 and 8491: Problem Determination and Service Guide...
Page 144
Part Number: 31R1183 Printed in USA (1P) P/N: 31R1183...