IBM NetVista Type 6838, 6848
Hardw are Maintenance Man ual
IBM NetVista Type 6838, 6848
Hardw are Maintenance Man ual
:
Note: Before using this information and the product it supports, be sure to read the general information under “Notices” on
page 119.
First Edition (November 2000)
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IBM NetVista Type 6838, 6848 Hardware Maintenance Manual
© Copyright International Business Machines Corporation 2000. All rights reserved.
US Government Users Restricted Rights – Use, duplication or disclosure restricted by GSA ADP Schedule Contract
with IBM Corp.
About this manual
This manual contains diagnostic information, a Symptom-to-FRU index, service
information, error indications, and configuration information for the IBM NetVista
Type 6838 and Type 6848 computers.
Attention: This manual is intended for trained servicers who are familiar with
IBM PC computer products.
Important safety information
Be sure to read all caution and danger statements in this book before performing
any of the instructions.
Leia todas as instruções de cuidado e perigo antes de executar qualquer operação.
Prenez connaissance de toutes les consignes de type Attention et
Danger avant de procéder aux opérations décrites par les instructions.
© Copyright IBM Corp. 2000 iii
Lesen Sie alle Sicherheitshinweise, bevor Sie eine Anweisung ausführen.
Accertarsi di leggere tutti gli avvisi di attenzione e di pericolo prima di effettuare
qualsiasi operazione.
Lea atentamente todas las declaraciones de precaución y peligro ante de llevar a
cabo cualquier operación.
Online support
Use the World Wide Web (WWW) to download Diagnostic, BIOS Flash, and Device
Driver files, and Documents.
The Web address is:
http://www.ibm.com/support
iv IBM NetVista Type 6838, 6848: Hardware Maintenance Manual
Contents
About this manual ..........iii
Important safety information ........iii
Online support .............iv
Chapter 1. General checkout ......1
Chapter 2. General information .....3
Features and specifications for Type 6838 .....4
Features and specifications for Type 6848 .....5
Chapter 3. Diagnostics........7
POST .................7
POST beep code descriptions ........7
Small computer system interface messages (some
models) ................7
IBM Enhanced Diagnostics .........8
Textmessages.............9
Starting the diagnostic programs.......9
Using the diagnostics CD ........10
Downloading the diagnostics program . . . 10
Using the diagnostic diskette ......10
Viewing the test log ..........11
System board memory ...........11
RIMM diagnostic approach ........13
Recovering your operating system and preinstalled
software...............13
Recovering BIOS ...........14
Recovering or installing device drivers ....15
Recovering your operating system......16
Performing a partial or full recovery ....16
UsingNortonAntiVirusforIBM......17
Using the ConfigSafe program .......17
ClearingCMOS.............17
Replacing the battery ...........17
Chapter 4. Configuration .......19
Using the Configuration/Setup Utility program . . 19
Starting the Configuration/Setup Utility program 19
Choices available from the Configuration/Setup
Utility main menu ...........19
Usingpasswords...........22
Using the SCSISelect Utility program (some models) 22
Starting the SCSISelect Utility program ....22
Choices available from the SCSISelect menu . . 22
Chapter 5. Installing options Type 6838,
6848................25
Beforeyoubegin ............25
System reliability considerations ......25
I/O connector/port locations - Type 6838 and 6848 26
Removingthecover...........26
Internal drive removal and replacement .....27
Installing internal drives in bays 1, 2 and 3 . . . 28
CD-ROM drive jumper settings......29
Installing internal drives in bays 4, 5, 6 and 7 . . 30
Hard disk drive jumper settings .....32
Installing a security U-bolt .........32
Installing memory modules .........33
Installing adapters ............35
Adapter slots .............35
AGP adapter .............37
Audio adapter ............38
ADSL modem ............38
Replacingthecover............38
Chapter 6. FRU information (service
only)................39
Types 6838 and 6848 removals ........39
System board layout ..........39
System board jumper settings ......39
System board memory.........40
RIMM diagnostic approach .......42
Replacing a system board ........42
Replacing a processor ..........43
Speaker removal............43
Power supply ............44
20-pin main power supply connection . . . 44
6-pin power supply connection ......45
4-pin power supply connection ......45
Power supply removal.........46
Chapter 7. Symptom-to-FRU index . . . 47
RIMMmemoryerrors...........48
Hard disk drive boot error .........48
Beepsymptoms.............48
Diagnostic error codes ...........49
POST error codes ............66
Miscellaneous error messages ........69
Undetermined problems ..........71
Security features.............71
Passwords..............71
Power-onpassword .........72
Removingapower-onpassword.....72
Administrator password ........72
Administrator password control .....72
Operating system password .......72
Vital product data ...........72
Management Information Format (MIF) ....73
Alert on LAN ............73
BIOSlevels..............73
Flash (BIOS/VPD) update procedure ......74
Flash recovery boot block jumper .......74
Power management ...........75
Automatic configuration and power interface
(ACPI) BIOS .............75
Advanced Power Management .......75
Automatic Hardware Power Management
features...............75
© Copyright IBM Corp. 2000 v
Setting Automatic Hardware Power Management
features...............76
AutomaticPower-Onfeatures.......76
Network settings ............77
Flash over LAN (update POST/BIOS over network) 77
WakeonLAN.............77
Chapter 8. Parts listing........79
System, Type 6838 ............79
Keyboards...............81
Powercords..............82
System, Type 6848 ............83
Keyboards...............85
Powercords..............86
Chapter 9. Related service information 87
Safety information ............87
General safety ............87
Electrical safety ............88
Safety inspection guide .........89
Handling electrostatic discharge-sensitive devices 90
Grounding requirements .........91
Safety notices (multi-lingual translations) . . . 91
Send us your comments! .........118
Problem determination tips .........119
Notices ...............119
Trademarks..............120
vi IBM NetVista Type 6838, 6848: Hardware Maintenance Manual
Chapter 1. General checkout
This general checkout procedure is for type 6838, 6848 computers.
Attention:
The drives in the computer you are servicing might have been rearranged or the drive startup sequence changed. Be
extremely careful during write operations such as copying, saving or formatting. Data or programs can be
overwritten if you select an incorrect drive.
Diagnostic error messages appear when a test program finds a problem with a
hardware option. For the test programs to properly determine if a test Passed, Failed
or Aborted, the test programs check the error-return code at test completion. See
Chapter 3, “Diagnostics”, on page 7.
General error messages appear if a problem or conflict is found by an application
program, the operating system, or both. For an explanation of these messages, refer
to the information supplied with that software package.
Notes:
v Type 6838, 6848 computers default to come up quiet (no beep and no memory count and checkpoint code
display) when no errors are detected by POST.
v To enable beep and memory count and checkpoint code display when a successful POST occurs, do the following:
1. Select Start Options in the Configuration/Setup Utility program (see “Using the Configuration/Setup Utility
program” on page 19).
2. Set Power-On Self-Test to Enhanced.
v Before replacing any FRUs, ensure that the latest level of BIOS is installed on the system. A down-level BIOS
might cause false errors and unnecessary replacement of the system board.
v If multiple error codes are displayed, diagnose the first error code displayed.
v If the computer hangs and no error is displayed, go to “Undetermined problems” on page 71.
v If an installed device is not recognized by the diagnostics program, that device might be defective.
001
1. Power-off the computer and all external devices.
2. Check all cables and power cords.
3. Make sure the system board is seated properly.
4. Set all display controls to the middle position.
5. Power-on all external devices.
6. Power-on the computer.
7. Check for the following response:
v Readable instructions or the Main Menu.
DID YOU RECEIVE THE CORRECT RESPONSE?
If NO, continue to 002.
If YES, proceed to 003.
002
© Copyright IBM Corp. 2000 1
If the Power Management feature is enabled, do the following:
1. Start the Configuration/Setup Utility program (see “Starting the
Configuration/Setup Utility program” on page 19.)
2. Select Power Management from the Configuration/Setup Utility program
menu.
3. Select APM.
4. Be sure APM BIOS Mode is set to Disabled. If it is not, press Left Arrow (←)or
Right Arrow (→) to change the setting.
5. Select Automatic Hardware Power Management.
6. Set Automatic Hardware Power Management to Disabled.
7. If the problem persists, continue to 003.
003
Run the Diagnostic programs. If necessary, refer to “Starting the diagnostic
programs” on page 9.
v If you receive an error, replace the part that the diagnostic program calls out or
go to Chapter 3, “Diagnostics”, on page 7.
v If the test stops and you cannot continue, replace the last device tested.
2 IBM NetVista Type 6838, 6848: Hardware Maintenance Manual
Chapter 2. General information
Features and specifications for Type 6838 .....4 Featuresandspecifications for Type 6848 .....5
© Copyright IBM Corp. 2000 3
Features and specifications for Type 6838
The following table provides a summary of the features and specifications for the
tower model. Some features and specifications might not apply.
Microprocessor:
®
v Intel
Memory:
v Minimum: 128 MB
v Maximum: 2.0 GB
v Type: PC600 or PC800 Rambus
v Slots: 4 dual inline
Drives: (depending on your model)
v Diskette: 1.44 MB
v CD-ROM: IDE
v Hard disk drive
Expansion bays:
v Two 5.25-in. bays (1 CD-ROM drive
v Two 3.5-in. bays (1 diskette drive
v Three 3.5-in. slim-high bays
PCI expansion slots:
v Three 33 MHz/32-bit on the system
v Two 33 MHz/32-bit on the PCI Bus
AGP slot: Accelerated graphics port
(AGP)
v Video adapter installed on the
Power supply:
One 340 watt (90-240 V ac)
Pentium®4 with 256 KB
Level-2 cache
RIMMs only
installed)
installed)
available (1 hard disk drive
installed)
board (some models come with a
SCSI adapter installed)
extender board
system board
Video: (depending on your model)
v NVidia AGP4 with 16 MB
SDRAM video
v NVidia GeForce2 with 32 MB
SDRAM video memory
Size:
v Height: 470 mm (18.5 in.)
v Depth: 508 mm (19.9 in.)
v Width: 165 mm (6.5 in.)
v Weight: approximately 19.5 Kg (43
lb.) when fully configured or 15.9
Kg (35 lb.) minimum
Integrated functions:
v 10BASE-T/100BASE-TX Ethernet
controller on the system board
with an RJ-45 Ethernet port
v Two serial ports
v One parallel port
v Four USB ports
v Keyboard port
v Mouse port
v MIDI port
v Audio ports
– Line out
–Linein
–Mic
v Dual-channel bus mastering IDE
controller
Acoustical noise emissions:
v Sound power, idling: 6.6 bel
maximum
v Sound power, operating: 6.8 bel
maximum
Environment:
v Air temperature:
– Computer on: 10° to 35° C (50.0°
to 95.0° F). Altitude: 0 to 914 m
(2998.7 ft.)
– Computer on: 10° to 32° C (50.0°
to 89.6° F). Altitude: 914 m
(2998.7 ft.) to 2133 m (6998.0 ft.)
– Computer off: 10° to 43° C (50.0°
to 109.4° F). Maximum altitude:
2133 m (6998.0 ft.)
v Humidity:
– Computer on: 8% to 80%
– Computer off: 8% to 80%
Heat output:
Approximate heat output in British
Thermal Units (Btu) per hour
v Minimum configuration: 341 Btu
(100 watts)
v Maximum configuration: 1604 Btu
(470 watts)
Electrical input:
v Sine-wave input (50-60 Hz) required
v Input voltage low range:
– Minimum: 90 V ac
– Maximum: 137 V ac
v Input voltage high range:
– Minimum: 180 V ac
– Maximum: 265 V ac
v Input kilovolt-amperes (kVA)
approximately:
– Minimum: 0.08 kVA
– Maximum: 0.52 kVA
4 IBM NetVista Type 6838, 6848: Hardware Maintenance Manual
Features and specifications for Type 6848
The following table provides a summary of the features and specifications for the
tower model. Some features and specifications might not apply.
Microprocessor:
®
v Intel
Memory:
v Minimum: 128 MB
v Maximum: 2.0 GB
v Type: PC600 or PC800 Rambus
v Slots: 4 dual inline
Drives: (depending on your model)
v Diskette: 1.44 MB
v CD-ROM: IDE
v Hard disk drive
Expansion bays:
v Two 5.25-in. bays (1 CD-ROM drive
v Two 3.5-in. bays (1 diskette drive
v Three 3.5-in. slim-high bays
PCI expansion slots:
v Three 33 MHz/32-bit on the system
v Two 33 MHz/32-bit on the PCI Bus
AGP slot: Accelerated graphics port
(AGP)
v Video adapter installed on the
Power supply:
One 340 watt (90-240 V ac)
Pentium®4 with 256 KB
Level-2 cache
RIMMs only
installed)
installed)
available (1 hard disk drive
installed)
board (some models come with a
SCSI adapter installed)
extender board
system board
Video: (depending on your model)
v ATI Radeon with 32 MB SDRAM
video memory
v NV11 with 32 MB SDRAM video
memory and TV OUT
Size:
v Height: 470 mm (18.5 in.)
v Depth: 508 mm (19.9 in.)
v Width: 165 mm (6.5 in.)
v Weight: approximately 19.5 Kg (43
lb.) when fully configured or 15.9
Kg (35 lb.) minimum
Integrated functions:
v 10BASE-T/100BASE-TX Ethernet
controller on the system board
with an RJ-45 Ethernet port
v Two serial ports
v One parallel port
v Four USB ports
v Keyboard port
v Mouse port
v MIDI port
v Audio ports
– Line out
–Linein
–Mic
v Dual-channel bus mastering IDE
controller
Acoustical noise emissions:
v Sound power, idling: 6.6 bel
maximum
v Sound power, operating: 6.8 bel
maximum
Environment:
v Air temperature:
– Computer on: 10° to 35° C (50.0°
to 95.0° F). Altitude: 0 to 914 m
(2998.7 ft.)
– Computer on: 10° to 32° C (50.0°
to 89.6° F). Altitude: 914 m
(2998.7 ft.) to 2133 m (6998.0 ft.)
– Computer off: 10° to 43° C (50.0°
to 109.4° F). Maximum altitude:
2133 m (6998.0 ft.)
v Humidity:
– Computer on: 8% to 80%
– Computer off: 8% to 80%
Heat output:
Approximate heat output in British
Thermal Units (Btu) per hour
v Minimum configuration: 341 Btu
(100 watts)
v Maximum configuration: 1604 Btu
(470 watts)
Electrical input:
v Sine-wave input (50-60 Hz) required
v Input voltage low range:
– Minimum: 90 V ac
– Maximum: 137 V ac
v Input voltage high range:
– Minimum: 180 V ac
– Maximum: 265 V ac
v Input kilovolt-amperes (kVA)
approximately:
– Minimum: 0.08 kVA
– Maximum: 0.52 kVA
Chapter 2. General information 5
6 IBM NetVista Type 6838, 6848: Hardware Maintenance Manual
Chapter 3. Diagnostics
POST .................7
POST beep code descriptions ........7
Small computer system interface messages (some
models) ................7
IBM Enhanced Diagnostics .........8
Textmessages.............9
Starting the diagnostic programs.......9
Using the diagnostics CD ........10
Downloading the diagnostics program . . . 10
Using the diagnostic diskette ......10
Viewing the test log ..........11
System board memory ...........11
POST
When you turn on the computer, it performs a series of tests to check the operation
of system components and some of the options that are installed in the computer.
This series of tests is called the power-on self-test or POST.
If POST finishes without detecting any problems, the first window of your
operating system or application program appears.
Notes:
1. If you have a power-on password set, you must type the password and press
Enter, when prompted, before POST will continue.
2. A single problem might cause several error messages. When this occurs, work
to correct the cause of the first error message. After you correct the cause of the
first error message, the other error messages usually will not occur the next
time you run the test.
RIMM diagnostic approach ........13
Recovering your operating system and preinstalled
software...............13
Recovering BIOS ...........14
Recovering or installing device drivers ....15
Recovering your operating system......16
Performing a partial or full recovery ....16
Installing alternate operating systems. . . 17
UsingNortonAntiVirusforIBM......17
Using the ConfigSafe program .......17
ClearingCMOS.............17
Replacing the battery ...........17
POST beep code descriptions
The possible types of beep codes that your system might emit are:
Repeating long beeps
Indicates that a memory error has occurred. Ensure that all RIMMs are
correctly installed.
One long beep and two short beeps
Indicates that a video error has occurred and the BIOS cannot initialize the
video screen to display any additional information. Ensure that the video
adapter is correctly installed.
Small computer system interface messages (some models)
The following table lists actions to take if you receive any error message.
Note: If your system does not have a hard disk drive, ignore any message that
indicates that the BIOS is not installed.
© Copyright IBM Corp. 2000 7
You will get these messages only when running the SCSISelect Utility.
Table 1. SCSI messages
SCSI Messages Description
All One or more of the following might be causing the problem.
v A failing SCSI device (adapter or drive)
v An improper SCSI configuration
v Duplicate SCSI IDs in the same SCSI chain
v An improperly installed SCSI terminator
v A defective SCSI terminator
v An improperly installed cable
v A defective cable
Action: Verify that:
v The external SCSI devices are turned on. External SCSI devices must
be turned on before the computer.
v The cables for all external SCSI devices are connected correctly.
v The last device in each SCSI chain is terminated properly.
v The SCSI devices are configured correctly.
If the above items are correct, run the diagnostic programs to obtain
additional information about the failing device.
IBM Enhanced Diagnostics
The system diagnostic programs are stored on the Device Drivers and IBM Enhanced
Diagnostics CD. These programs are the primary method of testing the major
components of your computer.
Diagnostic error messages indicate that a problem exists; they are not intended to
be used to identify a failing part. Troubleshooting and servicing of complex
problems that are indicated by error messages should be performed by trained
service personnel.
Sometimes the first error to occur causes additional errors. In this case, the
computer displays more than one error message. Always follow the suggested
action instructions for the first error message that appears.
The following sections contain the error codes that might appear in the detailed
test log and summary log, when running the diagnostic programs.
The error code format is as follows:
fff-ttt-iii-date-cc-text message
where:
fff is the three-digit function code that indicates the function being tested
when the error occurred. For example, function code 089 is for the
microprocessor.
ttt is the three-digit failure code that indicates the exact test failure that was
encountered. (These codes are for trained service personnel and are
described in the Hardware Maintenance Manual.)
8 IBM NetVista Type 6838, 6848: Hardware Maintenance Manual
iii is the three-digit device ID. (These codes are for trained service personnel
and are described in the Hardware Maintenance Manual.)
date is the date that the diagnostic test was run and the error recorded.
cc are the check digits that are used to verify the validity of the information.
text message
is the diagnostic message that indicates the reason for the problem.
Text messages
The diagnostic text message format is as follows:
Function Name: Result (test specific string)
where:
Function Name
is the name of the function being tested when the error occurred. This
corresponds to the function code (fff) given in the previous list.
Result can be one of the following:
Passed
Failed This result occurs when the diagnostic test discovers an error.
This result occurs when the diagnostic test completes without any
errors.
User Aborted
This result occurs when you stop the diagnostic test before it is
complete.
Not Applicable
This result occurs when you specify a diagnostic test for a device
that is not present.
Aborted
This result occurs when the test could not proceed because of the
system configuration.
Warning
This result occurs when a possible problem is reported during the
diagnostic test, such as when a device that is to be tested is not
installed.
Test Specific String
is additional information that is used to analyze the problem.
Starting the diagnostic programs
The IBM Enhanced Diagnostics programs will isolate your computer hardware
from software that you have installed on your hard disk drive. The programs run
independently of the operating system, and must be run either from a CD or diskette.
This method of testing is generally used when other methods are not accessible or
have not been successful in isolating a problem suspected to be hardware related.
A Device Drivers and IBM Enhanced Diagnostics CD comes with your computer. You
can also download the latest diskette image of the diagnostics from
http://www.ibm.com/pc/support on the World Wide Web.
Chapter 3. Diagnostics 9
Using the diagnostics CD
Complete the following steps to start the IBM Enhanced Diagnostics using the CD:
1. Turn off your computer and any attached devices.
2. Turn on all attached devices; then, turn on your computer.
3. When you see Press F1 For Configuration/Setup, press the F1 key.
4. When the Configuration/Setup Utility menu appears, select Boot.
5. Change the First Boot Device to the appropriate CD-ROM.
6. Note the device selected as the First Startup Device. Later, you must restore this
setting.
7. Press Esc one time to return to the Configuration/Setup Utility menu.
8. Select Exit from the main menu
Important:
When you finish running the diagnostics and utilities, remove the CD from the
CD-ROM drive and turn off the computer. You must restore the First Startup
Device to the original settings. Use steps 2 through 7 of this procedure to do
this.
9. Save your configuration.
Downloading the diagnostics program
Complete the following steps to download the latest image of the IBM Enhanced
Diagnostics from the World Wide Web and create a startable Enhanced Diagnostics
diskette:
1. Go to the following World Wide Web site: http://www.ibm.com/pc/support/
2. Download the diagnostics file for your computer to a hard disk drive directory
(not to a diskette).
3. Go to a DOS prompt and change to the directory where the file was
downloaded.
4. Insert a blank high-density diskette in diskette drive A.
5. Type in the following, and then press Enter: filename a: where filename is the
name of the file you downloaded from the Web.
The downloaded file is self-extracting and will be copied to the diskette. When the
copy completes, you have a startable IBM Enhanced Diagnostics diskette.
Using the diagnostic diskette
Complete the following steps to start the IBM Enhanced Diagnostics using the
diagnostics diskette:
1. Turn off your computer and any attached devices.
2. Insert the IBM Enhanced Diagnostics diskette into the diskette drive.
3. Turn on all attached devices; then, turn on your computer.
4. Follow the instructions on the screen.
5. Place the Device Drivers and IBM Enhanced Diagnostics CD in the CD-ROM
drive. The diagnostics will load. Follow the instructions on the screen to run
the diagnostics.
When the tests have completed, you can view the Test Log by selecting Utility
from the top of the screen.
If the hardware checks out OK but the problem persists during normal computer
operations, a software error might be the cause. If you suspect a software problem,
refer to the information that comes with the software package.
10 IBM NetVista Type 6838, 6848: Hardware Maintenance Manual
Viewing the test log
The test log records data about system failures and other pertinent information.
The test log will not contain any information until after the diagnostic program has
run.
Note: If you already are running the diagnostic programs, begin with step 4.
Complete the following steps to view the test log:
1. Insert the IBM Enhanced Diagnostics CD.
2. Turn on the computer and watch the screen.
If the system is on, shut down your operating system and restart the system.
3. If a power-on password is set, the system prompts you for it. Type in the
appropriate password; then, press Enter.
4. Run the appropriate diagnostics program and when the Diagnostic Programs
screen appears, select Utility.
5. Select View Test Log from the list that appears; then, follow the instructions on
the screen.
6. You can save the test log to a file on a diskette or to your hard disk drive.
Note: The system maintains the test-log data while the system is powered on.
When you turn off the power to the computer, the test log is cleared.
System board memory
RIMM connector 1
RIMM connector 2
RIMM connector 3
RIMM connector 4
Retaining clip
Rambus inline memory modules (RIMMs)
The IBM-installed RIMMs are ECC (error checking and correction) RDRAM
(Rambus dynamic random access memory) modules.
Chapter 3. Diagnostics 11
When installing or replacing RIMMs, take the following information into
consideration:
v RIMM connectors do not support dual inline memory modules (DIMMs)
v Use only PC600 or PC800 RIMMs.
v RIMMs must be installed in pairs. The RIMMs installed in a RIMM connector
pair must be of the same speed, and size.
v Any connector that does not have a RIMM installed must have a continuity
RIMM (C-RIMM).
v Install only ECC RIMMS to enable ECC. If ECC and non-ECC memory are used
together, the memory will function as non-ECC memory.
Note: If PC600 and PC800 RIMMs are used together, all memory will function at
the speed of the slowest RIMM.
Memory placement for 4-RIMM Memory Card
2 RIMMs
4 RIMMs
Note: Memory must be installed in matched pairs.
1
RIMM
RIMM
Pair 1
2
RIMM
RIMM
Pair 2
3
C-RIMM
RIMM
4
C-RIMM
RIMM
The following matrix cross-references the name of the computer (printed on the
logo) and the size, speed, and type of memory modules supported in the
computer.
Note: RAMBUS inline memory module (RIMM) is used in the type 6838 and 6848
computers. RIMM modules are not compatible with SIMM or DIMM
memory modules. Refer to the information below regarding RIMM memory
for types 6838 and 6848.
Computer Name RIMM Memory Module
Size Memory Type
NetVista Types 6838, 6848 64 MB 128 MB 256
MB 512 MB
PC600 PC800 RDRAM
ECC/Non-ECC
Supported RIMM memory configuration
Types 6838 and 6848 have two memory channels with two memory sockets for
each channel, making a total of four RIMM memory sockets. RIMM sockets must
have a RIMM memory module or a C-RIMM (RIMM Continuity module) installed.
There can be no empty RIMM sockets. RIMM sockets must contain either a RIMM
or a C-RIMM. At least one socket from each memory channel must have a RIMM
memory module installed.
Note: Both memory channels must be populated the same.
v RIMM sockets 1 and 3 are on memory channel A.
v RIMM sockets 2 and 4 are on memory channel B.
Each RIMM socket supports a maximum of 512 MB of memory.
v If new memory is to be added in a memory channel, remove a C-RIMM and
install the new RIMM. (You must also do the same with the other memory
Channel).
v If memory is to be removed from a memory channel, remove the RIMM and
install a C-RIMM. (You must also do the same with the other memory Channel).
12 IBM NetVista Type 6838, 6848: Hardware Maintenance Manual
RIMM sizes of 64 MB, 128 MB, 256 MB, and 512 MB are acceptable. RIMM sockets,
within each memory channel, can be filled in any order. However, both memory
channels must be populated the same. ECC or non-ECC, RAMBUS dynamic
random access memory (RDRAM) are supported. If ECC and non-ECC are
installed together, all memory will function as non-ECC.
Note: Mixed RIMM speeds will run at the lower speed.
RIMM diagnostic approach
Identify any Beep or POST codes. See Chapter 7, “Symptom-to-FRU index”, on
page 47.
Use the IBM PC Enhanced Diagnostics program to run memory tests. See “IBM
Enhanced Diagnostics” on page 8.
Procedures to determine memory errors
1. If a memory error occurs, and the system is operational, run memory
diagnostics.
2. If a memory error occurs, and the system is not operational:
a. Replace one RIMM module at a time until the system comes up.
Note: All unused RIMM sockets must have a C-RIMM installed. Both memory channels
must be populated the same.
b. Run memory diagnostics.
c. Replace the other RIMMs and run diagnostics again to identify the failing
RIMM.
Procedures to determine memory errors:
1. If a memory error occurs, and the system is operational, run memory
diagnostics.
2. If a memory error occurs, and the system is not operational:
a. Replace one RIMM module at a time until the system comes up.
Note: All unused RIMM sockets must have a C-RIMM installed.
b. Run memory diagnostics.
c. Install the other RIMM and run diagnostics again to identify the failing
RIMM.
Recovering your operating system and preinstalled software
This section contains instructions for recovering BIOS, device drivers, operating
system, and other support software.
Notes:
1. The Product Recovery program is provided on your computer to assist you
with recovery operations.
Important: The Product Recovery program is preinstalled on the hard disk
drive that comes with your IBM computer and is designed to be hidden from
view to protect the program from accidental damage.
Chapter 3. Diagnostics 13
If you are using fdisk, NT Disk Administrator, or another utility to reformat
your hard disk drive, you might be able to see the partition where the Product
Recovery program is stored. Do not delete this information, or your Product
Recovery program will be lost.
If you replace the original hard disk drive, or suffer damage to your original
hard disk drive, you will need to run the recovery CD included with your
machine.
2. Some recovery process deletes all information stored on the primary partition
(drive C). If possible, back up your data files before starting the process.
Recovering BIOS
If the BIOS has become corrupted, such as from a power failure during a flash
update, you can recover the BIOS using the boot block jumper and a BIOS flash
diskette. The boot block jumper selects which of two BIOS images to use. In the
normal position, the jumper will be installed on pins 1 and 2. In the alternate block
position, the jumper will be removed.
Note: You can obtain a BIOS flash diskette from one of the following sources:
v Download files to make a BIOS flash diskette from the World Wide Web.
Go to http://www.pc.ibm.com/support/ and make the selections for
your computer.
Do the following to recover the BIOS:
1. Remove any media (diskettes, CDs, or tapes) from the drives and shut down
your operating system.
2. Turn off the computer and all attached devices and disconnect all external
cables and power cords.
3. If necessary, unlock the computer cover; then, remove the cover. For the tower
model, see “Removing the cover” on page 26.
14 IBM NetVista Type 6838, 6848: Hardware Maintenance Manual
4. Locate jumper J8C2/config. (recovery jumper) on the system board.
321
Recovery jumper
5. Remove the jumper to enable BIOS recovery mode.
6. Reinstall the computer cover, see “Replacing the cover” on page 38.
7. Reconnect all external cables and power cords and turn on the attached
devices.
8. Insert the BIOS flash diskette in the diskette drive.
9. Restart the computer. The BIOS begins the power-on self-test.
10. There will be 2 beeps, followed by diskette action, followed by 2 more beeps.
When this is finished, remove the BIOS flash diskette from the diskette drive.
11. Remove any media (diskettes, CDs, or tapes) from the drives, shut down your
operating system.
12. Turn off the computer and all attached devices and disconnect all external
cables and power cords.
13. Remove the cover. See “Removing the cover” on page 26.
14. Replace the J8C2 jumper to the normal position (pins 1 and 2) to return to
normal startup mode.
15. Reinstall the computer cover, see “Replacing the cover” on page 38.
16. Reconnect the external cables and power cords; then turn on the attached
devices and the computer, which should start up normally.
Recovering or installing device drivers
Use the following steps to recover or install device drivers on your computer.
Chapter 3. Diagnostics 15
Notes:
1. Before you can recover or install device drivers, your operating system must be
installed on your computer.
2. Before you start recovering or installing device drivers, make sure you have the
documentation and software media for the device.
3. Device drivers for IBM devices and the instructions to install them
(README.TXT) are located on the Device Drivers and Diagnostics CD and on the
hard disk drive C:\IBMTOOLS\DRIVERS directory.
4. The latest device drivers are also available on the World Wide Web at
http://www.ibm.com/pc/support
Do the following to recover or install device drivers:
1. Start your computer and operating system, if you have not already done so.
2. Display the directory structure of the hard disk drive. (You can also display the
directory structure by using the DOS Command Prompt window.)
3. Click to open the IBMTOOLS directory; then, click to open the DRIVERS
directory.
4. Click to open the directory of the device driver they you want to install.
5. In the directory of the device driver, double-click the README file to view it.
6. Follow the device-driver installation instructions in the README file.
7. When the installation is finished, restart the computer.
Recovering your operating system
Use the following steps to recover or install the operating system that comes with
your computer. To install other operating systems, see “Installing alternate
operating systems” on page 17.
Performing a partial or full recovery
Attention: The Product Recovery program will only overwrite all files on the C:\
drive. A full recovery will restore the operating system, device drivers, and
applications. A partial recovery will restore your operating system and device
drivers without restoring applications.
1. If you can shut down your operating system normally, do so. If you cannot
shut down normally, turn your computer off.
Note: If the computer will not turn off after you hold down the power button
for at least four seconds, unplug the power cord and wait a few seconds
before reconnecting it.
2. Turn on your computer
3. Wait for the prompt,
To Start the Product Recovery program, press F11.
Quickly press F11. The prompt displays for only a few seconds.
4. You might have a choice of operating systems to recover. Select the operating
system you want to recover. Otherwise, select the option given.
5. Select the recovery options you want and follow the instructions on the screen.
6. When recovery is complete, restart your computer.
Note: After the operating system is recovered or installed, the setup program
starts the first time the operating system starts up. For information about
setup, see “Using the Configuration/Setup Utility program” on page 19.
16 IBM NetVista Type 6838, 6848: Hardware Maintenance Manual
Installing alternate operating systems: To install an operating system, follow the
instructions in the documentation provided with the operating system and any
updates.
Note: Before installing any operating system, be sure to obtain the latest updates.
Contact the operating system manufacturer or, check the manufacturer’s
World Wide Web site to obtain any updates available.
Using Norton AntiVirus for IBM
The Norton AntiVirus for IBM program is comprehensive antivirus product that
detects and removes viruses from your computer. To install the Norton AntiVirus
for IBM program, complete the following steps.
1. Click on the Software Selection icon on your desktop.
2. When prompted, insert the Software Selection CD into the CD-ROM drive;
then, click OK.
3. When the Software Selection menu opens, click Install Software. Then, when
the software menu opens, select the Norton AntiVirus for IBM check box.
4. After selecting the software, click Install. A window opens showing the
software programs that are selected for installation. Click OK to continue with
the installation process, or click Cancel to clear your selections.
Using the ConfigSafe program
ConfigSafe can be used as a troubleshooting tool, especially if problems develop
after you install a new application or option. Before you make any changes to your
computer configuration, use ConfigSafe to take a snapshot of your current,
working operating system configuration. If you have preinstalled software,
ConfigSafe automatically takes a snapshot of your initial operating system
configuration settings when you first start up your computer. Then, you can easily
return to that configuration if your computer becomes disabled by changes in the
configuration files.
If you are unable to solve a problem yourself, and you need assistance from an
IBM technical support representative, use ConfigSafe to generate a report about
recent changes in your configuration before you call the PC HelpCenter
technical support representative will be able to use the information in this report to
help you solve the problem.
Complete the following steps to access the ConfigSafe program.
Click Start→Programs→ConfigSafe
Clearing CMOS
If you need to erase configuration information, you must power-off the computer
and remove the battery. Wait with the battery removed for no less than 5 minutes.
When this time has elapsed, the configuration information will have been erased.
Reinstall the battery. For procedures on how to do this, see “Replacing the
battery”.
Replacing the battery
When replacing the battery, you must replace it with a lithium battery of the same
type from the same manufacturer. To avoid possible danger, read and follow the
safety statement below.
®
. The IBM
Chapter 3. Diagnostics 17
To order replacement batteries, call 1-800-772-2227 within the United States, and
1-800-465-7999 or 1-800-465-6666 within Canada. Outside the U.S. and Canada, call
your IBM reseller or IBM marketing representative.
Note: After you replace the battery, you must reconfigure your system and reset
the system date and time.
Do the following to replace the battery:
1. Read “Before you begin” on page 25, and follow any special handling and
installation instructions supplied with the replacement battery.
2. Remove any media (diskettes, CDs, or tape) from the drives and shut down
your operating system.
3. Turn off the computer and attached devices and disconnect all external cables
and power cords.
4. If necessary, unlock the computer cover; then, remove the computer cover. See
“Removing the cover” on page 26.
5. Do the following to remove the battery:
a. Press the battery release tab to release the battery from the socket.
b. Lift the battery out of the socket.
6. Do the following to insert the new battery:
a. Tilt the battery so that you can insert it into the socket.
b. Press down on the battery after you insert it into the socket.
7. Reinstall the cover, see “Replacing the cover” on page 38.
8. Reconnect the external cables and power cords; then turn on the attached
devices and the computer.
9. Start the Configuration/Setup Utility program and set configuration
parameters.
v Set the system date and time.
v Set the power-on password.
v Reconfigure your system.
18 IBM NetVista Type 6838, 6848: Hardware Maintenance Manual
Chapter 4. Configuration
Using the Configuration/Setup Utility program . . 19
Starting the Configuration/Setup Utility program 19
Choices available from the Configuration/Setup
Utility main menu ...........19
The following configuration programs are provided with your computer:
v Configuration/Setup Utility program
This program is part of the BIOS code that comes with your computer. You can
use this program to configure serial- and parallel-connector assignments, change
the drive startup sequence, set the date and time, and set passwords. See “Using
the Configuration/Setup Utility program” on page 19 for more information.
v SCSISelect Utility program (some models)
With the built-in SCSISelect Utility program, you can configure the devices that
are attached to the optional SCSI adapter. See “Using the SCSISelect Utility
program (some models)” on page 22 for more information.
Usingpasswords...........22
Using the SCSISelect Utility program (some models) 22
Starting the SCSISelect Utility program ....22
Choices available from the SCSISelect menu . . 22
Using the Configuration/Setup Utility program
This section provides the instructions for starting the Configuration/Setup Utility
program and descriptions of the menu choices that are available.
Starting the Configuration/Setup Utility program
Complete the following steps to start the Configuration/Setup Utility program:
1. Turn on the computer and watch the monitor screen.
2. When the message, Press F1 for Configuration/Setup, appears, press F1.
3. Follow the instructions that appear on the screen.
Choices available from the Configuration/Setup Utility main
menu
From the Configuration/Setup Utility main menu, you can select settings that you
want to change.
Note: The choices on some menus might differ slightly from the ones that are
described in this book, depending on the BIOS version in your computer.
Descriptions of the choices available from the main menu are as follows:
Maintenance: Select this choice to:
v Display processor speed
v Clear all passwords
v Clear BIS Credentials
v View the Extended Configuration menu
v Display CPU information
v Display the CPU Stepping Signature
v Display the CPU Microcode Update Revision
Main: Select this menu to:
© Copyright IBM Corp. 2000 19
v Display BIOS version
v Display processor type
v Display processor speed
v Display the system bus frequency
v Display second-level cache size and whether it is ECC-capable
v Display the total amount of RAM
v Display the amount and type of RAM in the memory banks
v Set the default language
v Toggle error reporting if ECC is supported
v Set the system date and time
Advanced: Select this menu for the following tasks:
v Extended Configuration: If Used is displayed, User-defined has been selected in
Extended Configuration under the Maintenance Menu.
v Boot Configuration: Select this choice to:
– Specify if manual configuration is desired for Plug and Play devices
– Clear the PCI/Plug and Play configuration data stored in flash memory on
next boot
– Specify the power-on state of the Numlock feature
v Peripheral Configuration: Select this choice to:
– Configure serial port A
– Specify the base I/O address for Serial Port A, if Serial Port A is Enabled.
– Specify the interrupt for Serial Port A, if Serial Port A is Enabled.
– Configure the parallel port.
– Select the mode for the parallel port. Not available if the parallel port is
disabled.
– Specify the base I/O address for the parallel port.
– Specify the interrupt for the parallel port.
– Specify the DMA Channel (only available when parallel port Mode is set to
ECP).
– Enable or disable the onboard audio subsystem.
– Enable or disable the LAN device.
– Enable or disable USB legacy support.
v IDE Configuration:
– IDE Controller: Choose Disabled, Primary, Secondary, or Both.
– Hard disk pre-delay: Enable to insert a delay before detecting IDE drives in
the system.
– Primary IDE master: Select to review configuration and choose device
detection.
– Primary IDE slave: Select to review configuration and choose device
detection.
– Secondary IDE master: Select to review configuration and choose device
detection.
– Secondary IDE slave: Select to review configuration and choose device
detection.
v Diskette Configuration: Select this choice to:
– Enable or disable the integrated diskette controller
20 IBM NetVista Type 6838, 6848: Hardware Maintenance Manual
– Specify the capacity and physical size of diskette drive A
– Enable or disable write-protect for the diskette drive
v Event Log Configuration: Select this choice to:
– Check if there is space available in the event log
– Check if the event log contents are valid
– View the event log
– Clear the event log after rebooting
– Enable logging of events
– Enable logging of ECC events
– Mark all events as having been read
v Video Configuration: Select this menu to:
– Set the aperture size for the AGP video controller
– Select the primary video adapter to be used during boot
Security: Select this menu to:
v View if there is a Supervisor or User password set
v Set a Supervisor or User password
v Clear the User password
v Set BIOS Setup Utility access rights for user level
v Enable the system to boot without a password
Power: Select this menu to:
v Enable or disable the BIOS power management feature
v Specify the amount of time before the computer enters standby mode
v Enable power management for hard disks during standby modes
v Specify the ACPI suspend state
Boot: Select this menu to:
v Choose between POST messages or OEM graphic on boot
v Enable the computer to boot without running certain POST tests
v Enable the BOIS to scan the flash memory for user binary files
v Specify the mode of operation if an AC power loss occurs
v Specify how the computer responds to an incoming call on an installed modem
when the power is off (APM mode only)
v Specify how the computer responds to a LAN wake up event (APM mode only)
v Specify how the computer responds to a PCI power management event (APM
mode only)
v Determine the action of the system when a LAN wake up event occurs (ACPI
mode only)
v Specify the boot sequence according to device type
v Specify which IDE hard disk to boot from
Exit: Select this menu to:
v Exit and save changes in CMOS RAM
v Exit without saving any changes made in the BIOS Setup program
v Load factory defaults for all Setup options
v Load custom defaults for Setup options
Chapter 4. Configuration 21
v Save the current values as custom defaults
v Discard changes without exiting Setup
Using passwords
The System Security choice appears only on the full Configuration/Setup Utility
menu. After you select this choice, you can implement a power-on password or an
administrator password.
You can use any combination of up to seven characters (A–Z, a–z, and 0–9) for
your power-on password. Keep a record of your password in a secure place. If you
forget the power-on password, you can regain access to the computer through
either of the following methods:
v Start the Configuration/Setup Utility program and change the power-on
password.
v If both a power-on and administrator password are set, you can type either
password at the password prompt that appears as you start your computer.
However, if you want to change any settings in the Configuration/Setup Utility
program, you must type your administrator password at the password prompt
that appears when you try to access the Configuration/Setup Utility program.Ifyou
type your power-on password at this prompt, you will be able to view limited
information in the Configuration/Setup Utility program, but you will not be
able to change any settings.
Using the SCSISelect Utility program (some models)
SCSISelect is a built-in, menu-driven configuration utility program that you can
use to:
v View the default SCSI IDs
v Locate and correct configuration conflicts
The following sections provide the instructions for starting the SCSISelect Utility
program and descriptions of the menu choices that are available.
Starting the SCSISelect Utility program
Complete the following steps to start the SCSISelect Utility program:
1. Turn on the computer.
2. When the <<< Press <CTRL><A> for SCSISelect¬ Utility! >>> prompt
appears, press Ctrl+A.
3. When the Would you like to configure the host adapter or run the SCSI
disk utility? question appears, make your selection and press Enter.
4. Use the arrow keys to select a choice from the menu.
v Press Esc to exit the SCSISelect Utility program.
v Press the F5 key to switch between color and monochrome modes (if your
monitor permits).
5. Follow the instructions on the screen to change the settings of the selected
items; then, press Enter.
Choices available from the SCSISelect menu
The following choices appear on the SCSISelect Utility menu:
v Configure/View Host Adapter Settings
22 IBM NetVista Type 6838, 6848: Hardware Maintenance Manual
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