Note to U.S. Government Users — Documentation related to restricted righ ts — Us e, dup lication or
disclosure is subject to restrictions set forth in GSA ADP Schedule Contract with IBM Corp.
16. Boot Block POST Codes ............................................................................................98
17. POST Code - Port 80h Codes ....................................................................................99
18. POST Codes and Error Messages............................................................................103
19. Extended POST Error Messages and Codes............................................................104
20. BMC Generated POST Beep Codes.........................................................................106
21. BIOS Generated POST Error Beep Codes...............................................................106
22. POST Memory Error 3-Beep Codes .........................................................................107
23. Diagnostic Related Syndromes.................................................................................108
Contents vii
viii xSeries 343 Hardware Maintenance Manual
Safety
Before instal ling this prod u c t, read the Safety Information .
Antes de instalar este produto, leia as Informações de Segurança.
Pred instalací tohoto produktu si prectete prírucku bezpecnostních instrukcí.
Læs sikkerhedsforskrifterne, før du installerer dette produkt.
Lees voordat u dit product installeert eerst de veiligheidsvoorschriften.
Ennen kuin asennat tämän tuotteen, lue turvaohjeet kohdasta Safety Information.
Avant d'installer ce produit, lisez les consignes de sécurité.
Vor der Installation dieses Produkts die Sicherheitshinweise lesen.
Prima di installare questo p rodotto, leggere le Informazion i sul la Sic urezza.
Les sikkerhetsinformas jonen (Safety Information) før du installerer dette produktet.
Antes de instalar este produto, leia as Informações sobre Segurança.
Antes de instalar este producto, lea la información de seguridad.
Läs säkerhetsinformationen innan du installerar den här produkten.
Contents ix
Statement 1
DANGER
Electrical current from power, telephone, and communication cables is hazardous.
To avoid a shock hazard:
- Do not connect or disconnect any cables or perform installation, maintenance, or
reconfiguration of this product during an electrical storm.
- Connect all power cords to a properly wired and grounded electrical outlet.
- Connect to properly wired outlets any equipment that will be attached to this product.
- When possible, use one hand only to connect or disconnect signal cables.
- Never turn on any equipment when there is evidence of fire, water, or structural
damage.
- Disconnect the attached power cords, telecommunications systems, networks, and
modems before you open the device covers, unless instructed otherwise in t he
installation and configuration procedures.
- Connect and disconnect cables as described in the following table when installing,
moving, or opening covers on this product or attached devices.
To Connect: To Disconnect:
1. Turn everything OFF.
2. First, attach all cables t o devices.
3. Attach signal cables to connectors.
4. Attach power cords to outlet.
1. Turn everything OFF.
2. First, remove power cords from outlet.
3. Remove signal cables from connectors.
4. Remove all cables from devices.
5. Turn device ON.
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.
The battery contains lithium and can explode if not properly used, handled, or disposed of.
Do not:
- Throw or immerse into water
- Heat to more than 100 °C (212 °F)
- Repair or disassemble
Dispose of the battery as required by local ordinances or regulations.
x xSeries 343 Hardware Maintenance Manual
Statement 3
CAUTION
When laser products (such as CD-ROMs, DVD drives, fiber optic devices, or transmitters) are
installed, note the following:
- Do not remove the covers. Removing the covers of the laser product could result in exposure
to hazardous laser radiation. There are no serviceable parts inside the device.
- Use of controls or adjustments or performance of procedures other than those specified
herein might result in hazardous radiation exposure.
DANGER
Some laser products contain an embedded Class 3A or Class 3B laser diode. Note the following.
Laser radiation when open. Do not stare into the beam, do not view directly with optical
instruments, and avoid direct exposure to the beam.
Statement 4
≥≥≥≥18 kg (39.7 lb) ≥≥≥≥32 kg (70.5 lb) ≥≥≥≥55 kg (121.2 lb)
CAUTION
Use safe practices when lifting.
Statement 14
CAUTION
Hazardous voltage, current, and energy levels might be present. Only a qualified service
technician is authorized to remove the covers where the following label is attached.
Contents xi
Statement 15
CAUTION
Make sure that the rack is secured properly to avoid tipping when the server unit is
extended.
xii xSeries 343 Hardware Maintenance Manual
Part I: User’s Guide
1 Introduction
2 Chassis Description
3 Regulatory Specifications and Disclaimers
4 Configuration Software and Utilities
This document provides an overview of the IBM
consists of two parts:
• User’s Guide, beginning on page 1 describes procedures that DO NOT REQUIRE removing
and replacing boards. You do not need to be a qualified service technician to perform
procedures listed in the User’s Guide.
• Service Technician’s Guide, beginning on page 59 describes procedures that REQUIRE
removing and replacing boards. You must be a qualified service technician to perform
procedures listed in the Service Technician’s Guide.
Statement 14
®
xSeries 343 server. This manual
CAUTION
Hazardous voltage, current, and energy levels might be present. Only a qualified service
technician is authorized to remove the covers where the following label is attached.
Statement 15
CAUTION
Make sure that the rack is secured properly to avoid tipping when the server unit is
extended.
1
Notes
Only use a screwdriver tip to push in the lock tabs on the rack slides. A
pinch hazard exists if figners are used for this purpose.
DC Power supplies are installed: The DC source must be electrically
isolated by double or reinforced insulation from any hazardous DC source.
The DC source must be capable of providing up to 350 W of continuous
power per feed pair. Connection with a DC source should only be performed
by trained service personnel.
Mains DC power disconnect: You are responsible for installing a
DC power disconnect for the entire rack unit. This mains disconnect must be
readily accessible, and it must be labeled as controlling power to the entire
unit, not just to the servers(s).
Grounding the rack installation: To avoid the potential for an electrical
shock hazard, you must i nclude a third wire safety ground conductor with the
rack installation. The safety grounding conductor must be a minimum
14AWG connected to the earth ground stud on the rear of the server. The
safety ground conductor should be connected to the chassis stud with a two
hole crimp terminal with a maximum width of 0.25 inch. The nuts on the
chassis studs should be installed with a 10 in/lbs torque. The safety ground
conductor provides proper grounding only for the server. You must provide
additional, proper grounding for the rack and other devices installed in it.
Overcurrent protection: Overcurrent protection circuit breakers must be
provided as part of each host equipment rack and must be installed between
theDCsourceandtheserver. TheserverisdesignedforaDClinevoltage
power source with up to 10 amperes of overcurrent protection per feed pair.
If the DC power system for the equipment rack is installed with more than
10 amperes of protection, you must provide supplemental protection for the
server. The overall current rating of a server configured with two power
supplies is less than 7 amperes.
Temperature: The temperature in which the server operates when installed
in an equipment rack, must not go below 5 °C (41 °F) or rise above 40 °C
(104 °F). Extreme fluctuations in temperature can cause a variety of
problems in your server.
Ventilation: The equipment rack must provide sufficient airflow to the front
of the server to maintain proper cooling. The rack must also include
ventilation sufficient to exhaust a maximum of 1023 BTUs per hour for the
server. The rack selected and the ventilation provided must be suitable to the
environment in which the server will be used.
2 xSeries 343 Hardware Maintenance Manual
Statement 4
≥≥≥≥18 kg (39.7 lb) ≥≥≥≥32 kg (70.5 lb) ≥≥≥≥55 kg (121.2 lb)
CAUTION
Use safe practices when lifting.
User’s Guide 3
4 xSeries 343 Hardware Maintenance Manual
1 Introduction
Thank you for purchasing an xSeries 343 server.
Your xSeries 343 server comes with a one-year limited warranty. If you have access to t he World
Wide Web, you can obtain up-to-date information about your xSeries 343 model and other IBM
server products at http://www.ibm.com/eserver/xseries.
Record your product information in this table.
Product name
Type
Model number
Serial number
This server serial number is located on labels on the rear of the server and on the front of the server
on the bezel.
The Caution and Danger statements also appear in the multilingual safety information book
provided on the Documentation and Resource CD. Each statement is numbered for easy reference
to the corresponding statement in the safety book.
Descriptions of the notices and statements that appear in this book are as follows:
• Notes: These notices provide important tips, guidance, or advice.
• Attention: These notices indicate possible damage to programs, devices, or data. An attention
notice is placed just before the instruction or situation in which damage could occur.
• Caution: These statements indicate situations that can be potentially hazardous to you. A
caution statement is placed just before the description of potentially hazardous procedure step
or situation.
• Danger: These statements indicate situations that can be potentially lethal or extremely
hazardous to you. A danger statement is placed just before the description of a potentially
lethal or extremely hazardous procedure step or situation.
5
Before You Begin
Before you begin to install options in your server, read the f ollowing information:
• Become familiar with the information provided in “Handling Static-sensitive Devices” and in
the “Safety Addendum”. These guidelines will help you make changes t o disk drives.
• Make sure that you have an adequate number of properly grounded electrical outlets for your
server, monitor, and any other options that you intend to install.
• Back up all important data before you make changes to disk drives.
• For a list of supported options for the xSeries 343, refer to http://www.ibm.com/pc/compat on
the World Wide Web.
Handling Static-sensitive Devices
Attention: Static electricity can damage electronic devices and your system. To avoid damage,
keep static-sensitive devices in their static-protective package until you are ready to install them.
To reduce the possibility of electrostatic discharge, observe the following precautions:
• Limit your movement. Movement can cause static electricity to build up around you.
• Handle the device carefully, holding it by its edges or its frame.
• Do not touch solder joints, pins, or exposed printed circuitry.
• Do not leave the device where others can handle and possibly damage the device.
• While the device is still in its anti-static package, touch it to an unpainted metal part of the
system unit for at least two seconds. (This drains static electricity from the package and from
your body.)
• Remove the device from its package and install it directly into your system unit without setting
it down. If it is necessary to set the device down, place it in its static-protective package. Do
not place the device on your system unit cover or on a metal table.
• Take additional care when handling devices during cold weather because heating reduces
indoor humidity and increases static electricity.
6 xSeries 343 Hardware Maintenance Manual
2 Chassis Descr iption
The xSeries 343 is a rack-mounted server that supports one to two Intel®Pentium®III processors
and up to 6 GB of SDRAM memory. The server supports high availability features such as
hot-swap and redundant power supply modules. The scalable architecture of the server supports
symmetric multiprocessing(SMP) and a variety of operating systems.
Physical Specifications
Table 1 lists the server’s physical specifications while Figure 1 presents a view of the xSeries
343 server chassis.
Configuration 1-2 way capability in low profile and cost/val ue ef fec tiv e pac kaging
Stand-alone system
Processor Support Intel Pentium III up to 2 GHz
Power Two hot-swap 350 W power supplies in a redundant (1+1) config uration
System Management Remote management
Emergency management port (Serial and LAN)
IPMI 1.5 compliant
WfM 2.0 compliant
Remote diagnostics support
Upgrades Supports Pentium III processor family
Upgradeable to next generation Pentium IV processor family
Multi-generational chassis
Expansion 6 GB 133 MHz SDRAM memory support
Dual Intel Pentium III processor support
3 Full Height Full Length 64-bit x 66 MHz PCI Slots or; 3 Full Height Full Length
1 Low Profile floppy drive
Front panel controls and
indicators
Power switch
Reset switch
Main power LED
HDD activity LED
NIC activity LED
Telco power alarm fault LED/Relay
Telco critical alarm fault LED/Relay
Telco major alarm fault LED/Relay
Telco minor alarm fault LED/Relay
8 xSeries 343 Hardware Maintenance Manual
Environmental Specifications
The xSeries 343 system has been tested to the environmental specifications as indicated in Table 3.
All testing has been performed per procedures defined in Bellcore GR-63-CORE NEBS Physical
Protection, Bellcore GR-3580 NEBS Criteria Levels, Bellcore GR-1089-CORE EMC and Electrical
Safety – Generic Criteria for Network Telecommunications Equipment, and the
Environmental Standards Handbook.
Intel
Table 3. Environmental Specifications Summary
Environment Specification
Temperature operating
Temperature non-operating
Altitude 0 to 1,800 m (0 to 5,905 ft)
Humidity non-operating
Vibration operating Swept sine survey at an acceleratio n ampl itud e of 0.1 g from 5 to 100 Hz
Vibration non-operating Swept sine survey at an acceleration amplitud e of 0.5 g from 5 to 50 Hz at a
Shock operating Half-sine 2 G, 11 ms pulse, 100 pulses in each direction, on each of the
Shock non-operating Trapezoidal, 25 G, 170-inch/sec delta V, three drops in each direction, on
Electrostatic discharge
(ESD)
Acoustic
5 °C to 40 °C (41 °F to 104 °F)
-40 °C to 70 °C (-104 °F to 158 °F)
95%, non-condensing at temperatures of 23 °C (73 °F) to 40 °C (104 °F)
and back to 5 Hz at a rate of 0.1 octave/minute, 90 minutes per axis on all
three axes as per Bellcore GR-63-CORE standards.
rate of 0.1 octaves/minute, and an acceleration amplitude of 3.0g from 50 to
500 Hz at a rate of 0.25 octaves/minute, on all three axes as per Bellcore
GR-63-CORE standard.
2.2 Grms, 10 minutes per axis on all three axes as per the Intel
Environmental Standards Handbook.
three axes as per the Intel Environmental Standards Handbook.
each of the three axes as per Intel Environmental Standards Handbook.
Tested to ESD levels up to 15 kilovolts (kV) air discharge and up to
8 kV contact discharge without physical damage as per Intel Environmental
Standards Handbook.
Sound pressure: < 55 dBA at ambient temperatures < 28 °C measured at
bystander positions in operating mode.
Sound power: < 6.5 dBA at ambient temperatures < 28 °C in
operating mode.
Chassis Description 9
Chassis Feature Location
Front Panel
Figure 2 shows the front view of the system including the front panel. The front panel contains
system control switches, alarm indicators and relays, and status indicators. Front panel controls and
LEDs are summarized in Table 3.
M
AB
A Bezel H Alarm: MNR
B Peripheral Bay I Alarm: PWR
C NMI Switch J Status: NIC
D Power Switch K Status: DSK
E Reset Switch L Status: ON
F Alarm: CRT M Bezel Removal Thumbscrews
G Alarm: MJR N Hard Drive Tray
Figure 2. Front Panel
DF
C
E
N
HIJL
G
K
M
OM14188
10 xSeries 343 Hardware Maintenance Manual
Table 4. Front Panel Features
Item Feature Description
Front Panel Switches
C NMI switch A momentary contact switch used to instruct the processor to copy system
memory to the hard drive. Pressing the recessed button with a paper clip or pin
puts the server in a halt state for diagnostic purposes and all ow s you to issu e a
non•maskable interrupt. After issuing the interrup t, a memory dump can be
performed to determine the cause of the problem.
D Power switch Toggles the system power on/off.
E Reset switch Reboots and initializes the system.
Front Panel Alarm LEDs and Relays
F Critical (amber) When continuously lit, indicates the presence of a Critical System Fault. A
critical system fault is an error or event that is detected by the system with a
fatal impact to the system. In this case, the system cannot continue to operate.
An example could be the loss of a large section of memory or other corruption
that renders the system not operational. Additionally, the front panel critical
alarm relay will engage.
G Major (amber) When continuously lit, indicates the presence of a Major System Fault. A major
system fault is an error or event that is detected by the system that has
discernable impact to system operation. In this case, the system can continue
to operate but in a “degraded” fashion (reduced performance or loss of
non-fatal feature reduction). An example could be the loss of one of two
mirrored disks. Additionally, the front panel major alarm relay will engage.
H Minor (amber) When continuously lit, indicates the presence of a Minor System Fault. A minor
system fault is an error or event that is detected by the system but has little
impact to actual system operation. An example would be a correctable
ECC error. Additionally, the front panel minor alarm relay will engage.
I Power (amber) When continuously lit, indicates the presence of a Power System Fault.
Additionally, the front panel power alarm relay will engage.
Front Panel Status LEDs
J NIC activity LED
(green)
K HDD activity
LED (green)
L Main power
LED (green)
Indicates NIC activity.
Indicates any system SCSI hard drive activity.
When continuously lit, indicates the presence of DC power in the server. The
LED goes out when the power is turned off or the power source is disrupted.
When it is blinking green, it indicates that the system is in ACPI sleep mode.
Chassis Description 11
Figure 3 shows the front view of the system with the bezel removed.
ABC
HEFG
A Floppy Drive E Left SCSI Drive Bay
B CD-ROM Drive F Hard Drive Tray Ribbon Cable Connector
C Front Panel Switches and LEDs G Hard Drive Tray Power Connector
D Hard Drive Tray H Right SCSI Drive Bay
Figure 3. Front View with Bezel Removed
D
OM12817
12 xSeries 343 Hardware Maintenance Manual
Back Panel
Figure 4 shows the back panel view of the system.
ACEBD
+
-
+
-
FGHI J KL
M
OM14192
Figure 4. Back Panel
Table 5. Back Panel Features
Item Description
A Three low profile, half-l engt h 6 4-bit, 66 MHz PCI add- in board slots (3.3 V riser board)
B DB-15 male connector for front panel alarm relay contacts
C Three full height, full length 64-bit, 33 MHz PCI add-in board slots (5 V riser board)
D Redundant, hot-plug power supplies
E Four-terminal DC input power connector for DC input power supply cage
F USB port 1
G Video connector
H External wide SCSI Ultra160 68-pin connector
I Dual NIC 10/100 E/N RJ45 connectors NIC 1 (lower) and NIC 2 (upper)
J The PS/2 port can accept both keyboard and mouse. Use the included “Y” splitter cable to
connect a mouse and a keyboard to the PS/2 port at the same time.
K Serial port (COM2), 8-pin RJ45 connector
L USB port 0
M Two grounding plugs for attachment of grounding wire to chassis
Chassis Description 13
Internal Chassis Features
Figure 5 shows the location of the server board’s connectors and other components.
COM1 serial header AA Alternate front panel connector
K
Chassis intrusion connector BB ATA/IDE connector
L
66 MHz/64-bit PCI riser slot (low profile) CC IPMB connector
M
USB 3 & 4 header DD SSI front panel connector
N
Sys fan 3 connector EE Configuration jumper block
O
CPU 2 fan connector FF SCSI connector (SCSI version only)
P
Secondary processor socket GG Hard Disk Drive LED header
Q
Primary processor socket
H
G
R
S
JFI
K
L
M
PXN
OQ
OM12815
Figure 5. Server Board Connector and Component Locations
14 xSeries 343 Hardware Maintenance Manual
Processor
The server board accommodates one or two Pentium III processors up to 1-26 GHz with 512k cache
in the FC-PGA2 package.
Memory
The system board contains six 168-pin DIMM slots each supporting 72-bit ECC (64-bit main
memory plus ECC) registered SDRAM DIMMs (PC-133 compatible). You may install a minimum
of 128 MB (64 MB x 2) and as much as 6 GB.
Note
Use DIMMs that have been tested for compatibility with the server board.
Contact your sales representative or dealer for a current list of approved
memory modules.
PCI Riser Slots
The server board has two PCI r iser slots: a 5 V riser that supports 64-bit/33 MHz riser cards and a
3.3 V riser that supports 64-bit/66 MHz riser cards.
• Bus speed up to 66 MHz
• 32 bit memory addressing
• 5 V/3.3 V signaling environment
• Burst transfers of up to 512 Mbps
• 8, 16, 32, or 64-bit data transfers
• Plug and Play ready
• Parity enabled
Video
The server board uses an ATI RAGE XL PCI graphics accelerator with 8 MB of video SDRAM
that supports all standard IBM VGA modes. The embedded SVGA video subsystem supports:
• Pixel resolutions up to 1600 x 1200 under 2D and 1024 x 768 under 3D
• CRT and LCD monitors up to 100 Hz vertical refresh rate
The server board supports disabling of the onboard video through the BIOS setup menu or when a
plug in video card i s installed in any of t he PCI slots.
SCSI Controller
The SCSI version of the server board includes an embedded Adaptec AIC-7899W controller
providing dual Ultra160 Low Voltage Differential (LVD) SCSI channels.
The SCSI bus is terminated on the server board with active terminators that cannot be disabled.
The onboard device must always be at one end of the bus. The device at the other end of the cable
is terminated with the active terminator on the SCSI cable installed in the system.
Chassis Description 15
Network Controller
Note
To ensure EMC product regulation compliance for intra-building lighting
surges, the system must only be used with shielded LAN cables that are
grounded at both ends.
The server board uses two Intel 82550PM Fast Ethernet Controllers and supports two
10Base-T/100Base-TX network subsystems.
On the server board, NIC 1 can be used as both a network interface and server management
interface.
NIC Connector and Status LEDs
The 82550 controller drives LEDs on the network interface connector that indicate link/activity on
the LAN and 10- or 100-Mbps operation. The green LED indicates network connection when on
and TX/RX activity when blinking. The yellow LED indicates 100-Mbps operation when lit.
Network Teaming Features
Note
Using both on-board NICs in a team does not allow the use of NIC 1 for
server management access. To support both network teaming features and
server management features, a third NIC must be added and teamed to NIC 2.
The network controller provides several options for increasing throughput and fault tolerance when
running Linux®:
• Adapter Fault Tolerance (AFT) - provides automatic redundancy for your adapter. If the
primary adapter fails, the secondary takes over. AFT works with any hub or switch.
• Adaptive Load Balancing (ALB) - creates a team of 2 - 6 adapters t o increase transmission
throughput. Also includes AFT. Works with any 10Base-TX or 100Base-TX switch.
• Fast EtherChannel (FEC) or Intel Link Aggregation - cr eates a team of up to 6 adapters to
increase transmission and reception throughput. Also includes AFT. Requires a FEC-enabled
switch.
To set up an option, read the instructions in the Linux RH 7.1 readme files.
Adapter Fault Tolerance
Adapter Fault Tolerance (AFT) is a simple, effective, and fail-safe approach to increase the
reliability of server connections. AFT gives you the ability to set up link recovery to the server
adapter in case of a cable, port, or network interface card failure. By assigning two server adapters
as a team, AFT enables you to maintain uninterrupted network performance.
AFT is implemented with two server adapters: a primary adapter and a backup, or secondary,
adapter. During normal operation, the backup will have transmit disabled. If the link to the
primary adapter fails, the link to the backup adapter automatically takes over.
16 xSeries 343 Hardware Maintenance Manual
Preferred Primary Adapter
With multiple adapters installed, you can specify one as the Preferred Primary adapter. For
example if you have a server with a PRO/1000 server adapter as the primary adapter and a
PRO/100+ adapter as the secondary, you could configure the PRO/1000 server adapter to be the
preferred primary. In this scenario, if the PRO/1000 server adapter fails, the PRO/100+ will take
over. Then when the PRO/1000 server adapter is r eplaced, it will automatically revert to being the
primary adapter in the team.
If a Preferred Primary is not selected, PROSet will attempt to select the best adapter, based on
adapter model and speed.
Mixed Adapter Teaming
AFT supports up to six server adapters per team, in any mix.
Adaptive Load Balancing
Adaptive Load Balancing (ALB) is a simple and efficient way t o increase your server's transmit
throughput. With ALB you group server adapters in teams to provide an increased transmit rate
(up to 8 Gbps) using a maximum of eight adapters. The ALB software continuously analyzes
transmit loading on each adapter and balances the r ate across the adapters as needed. Adapter
teams configured for ALB also provide the benefits of AFT. Receive rates remain at 100 Mbps or
1 Gbps depending on the primary adapter’s capability.
To use ALB, you must have 2-6 server adapters installed in your server or workstation and linked
to the same network switch.
Cisco Fast EtherChannel
Fast EtherChannel (FEC) is a performance technology developed by Cisco to increase your server's
throughput. Unlike ALB, FEC can be configured to increase both transmission and reception
channels between your server and switch. FEC works only with FEC-enabled switches, such as the
Catalyst 5000 series. With FEC, as you add adapters to your server, you can group them in teams
to provide up to 18 Gbps at full duplex, with a maximum of 6 server adapters. The FEC software
continuously analyzes loading on each adapter and balances network traffic across the adapters as
needed. Adapter teams configured for FEC also provide the benefits of AFT.
To use FEC, you must have 2, 4, or 6 server adapters plus use of both onboard NIC adapters
installed in your server and linked to the same FEC-enabled Cisco switch.
Keyboard and Mouse
The keyboard controller is PS/2-compatible. If specified through the System Setup Utility (SSU),
the server may be locked automatically if there is no keyboard or mouse activity for a predefined
length of time. Once the inactivity (lockout) timer has expired, the keyboard and mouse do not
respond until the previously stored password is entered. If a mouse is required, you can either
connect a USB mouse to a USB port or a PS/2 mouse to the PS/2 port using the “Y”-splitter cable.
Chassis Description 17
RJ45 Serial Port
The rear RJ45 serial port is a fully functional COM port that supports any standard serial device
and provides support for serial concentrators, which typically support RJ45 serial connectors. For
server applications that use a serial concentrator to access the server management features of the
baseboard, a standard 8-pin CAT-5 cable from the serial concentrator is plugged directly into the
rear RJ45 serial port. The 8 pins of the RJ45 connector can be configured to match either of two
pin-out standards used by serial port concentrators. T o accommodate either standard, the
J6A2 jumper block located directly behind the rear RJ45 serial port must be jumpered appropriately
according to which standard is desired.
Note
The RJ45 serial port’s default configuration is DSR. For serial concentrators
requiring a DCD signal, configure the jumper block as shown in Figure 39.
For serial concentrators that require a DCD signal, configure the J6A2 jumper block as shown in
Figure 39.
For those server applications requiring a DB9 serial connector, use an 8-pin RJ45-to-DB9 adapter.
Table 6 defines the pin-out required for the adapter to provide RS232 support.
Table 6. Rear COM2 Port Adapter Pin-out
RJ45 Signal Abbreviation DB9
1 Request to Send RTS 7
2 Data Terminal Ready DTR 4
3 Transmitted Data TD 3
4 Signal Ground SGND 5
5 Ring Indicator RI 9
6 Received Data RD 2
7 DCD or DSR DCD/DSR 1 or 6
8 Clear To Send CTS 8
Note
The RJ45-to-DB9 adapter should match the configuration of the serial device
used. One of two pin-out configurations are used depending on whether the
serial device requires a DSR or DCD signal. The final adapter configuration
should also match the desired pin-out of the RJ45 connector, as it can also be
configured to support either DSR or DCD.
ACPI
The server board supports the Advanced Configuration and Power Interface (ACPI) as defined by
the ACPI 1.0 and PC97 specifications. An ACPI aware operating system can put the system into a
state where the hard drives spin down, the system fans stop, and all processing is halted. However,
the power supply will still be on and the processors will still be dissipating some power, so the
power supply fans will still run.
18 xSeries 343 Hardware Maintenance Manual
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