Toshiba QOSMIO G30 Maintenance Manual
First edition January 2006
Disclaimer
The information presented in this manual has been reviewed and validated for accuracy. The included
set of instructions and descriptions are accurate for the QOSMIO G30 at the time of this manual's
production. However, succeeding computers and manuals are subject to change without notice.
Therefore, Toshiba assumes no liability for damages incurred directly or indirectly from errors,
omissions, or discrepancies between any succeeding product and this manual.
Trademarks
IBM is a registered trademark and IBM PC is a trademark of International Business Machines
Corporation.
Intel, Intel SpeedStep, Intel Core, Celeron and Centrino are trademarks or registered trademarks of
Intel Corporation or its subsidiaries in the United States and other countries/regions.
Windows and Microsoft are registered trademarks of Microsoft Corporation.
Photo CD is a trademark of Eastman Kodak.
Sonic RecordNow! and Sonic PrimeTime are registered trademarks of Sonic Solutions.
Bluetooth is a trademark owned by its proprietor and used by TOSHIBA under license.
Memory Stick is a registered trademark and i.LINK is a trademark of Sony Corporation.
InterVideo and WinDVD are registered trademarks of the InterVideo Inc.
WinDVD Creator is trademarks of the InterVideo Inc.
Manufactured under license from Dolby Laboratories.
"Dolby" and the double-D symbol are trademarks of Dolby Laboratories.
Confidential unpublished works. Copyright 1992-1997 Dolby Laboratories.
All rights reserved.
EdgeMotion, PalmCheck, TouchPad and Synaptics are trademarks or registered trademarks of
Synaptics Incorporated.
Other trademarks and registered trademarks not listed above may be used in this manual.
ii [CONFIDENTIAL] QOSMIO G30 Maintenance Manual (960-546)
Preface
This maintenance manual describes how to perform hardware service maintenance for the
Toshiba Personal Computer QOSMIO G30.
NOTE: Each model of QOSMIO G30 has a different configuration. For each model’s
configuration, refer to the parts list dedicated to it.
The procedures described in this manual are intended to help service technicians isolate
faulty Field Replaceable Units (FRUs) and replace them in the field.
SAFETY PRECAUTIONS
Four types of messages are used in this manual to bring important information to your
attention. Each of these messages will be italicized and identified as shown below.
DANGER: “Danger” indicates the existence of a hazard that could result in death or
serious bodily injury, if the safety instruction is not observed.
WARNING: “Warning” indicates the existence of a hazard that could result in bodily
injury, if the safety instruction is not observed.
CAUTION: “Caution” indicates the existence of a hazard that could result in property
damage, if the safety instruction is not observed.
NOTE: “Note” contains general information that relates to your safe maintenance
service.
Improper repair of the computer may result in safety hazards. Toshiba requires service
technicians and authorized dealers or service providers to ensure the following safety
precautions are adhered to strictly.
Be sure to fasten screws securely with the right screwdriver. Be sure to use the PH
Point size “0” and “1” screwdrivers complying with the ISO/DIS 8764-1:1996. If a
screw is not fully fastened, it could come loose, creating a danger of a short circuit,
which could cause overheating, smoke or fire.
If you replace the battery pack or RTC battery, be sure to use only the same model
battery or an equivalent battery recommended by Toshiba. Installation of the wrong
battery can cause the battery to explode.
QOSMIO G30 Maintenance Manual (960-546) [CONFIDENTIAL] iii
The manual is divided into the following parts:
Chapter 1 Hardware Overview describes the QOSMIO G30 system unit and each
FRU.
Chapter 2 Troubleshooting Procedures explains how to diagnose and resolve
FRU problems.
Chapter 3 Test and Diagnostics describes how to perform test and diagnostic
operations for maintenance service.
Chapter 4 Replacement Procedures describes the removal and replacement of the
iv [CONFIDENTIAL] QOSMIO G30 Maintenance Manual (960-546)
Conventions
This manual uses the following formats to describe, identify, and highlight terms and
operating procedures.
Acronyms
On the first appearance and whenever necessary for clarification acronyms are enclosed in
parentheses following their definition. For example:
Read Only Memory (ROM)
Keys
Keys are used in the text to describe many operations. The key top symbol as it appears on
the keyboard is printed in boldface type.
Key operation
Some operations require you to simultaneously use two or more keys. We identify such
operations by the key top symbols separated by a plus (+) sign. For example, Ctrl + Pause (Break) means you must hold down Ctrl and at the same time press Pause (Break). If
three keys are used, hold down the first two and at the same time press the third.
User input
Text that you are instructed to type in is shown in the boldface type below:
DISKCOPY A: B:
The display
Text generated by the QOSMIO G30 that appears on its display is presented in the type face
below:
Format complete
System transferred
QOSMIO G30 Maintenance Manual (960-546) [CONFIDENTIAL] v
Two DDR2-533/DDR2-667 SDRAM slots. Memory modules can be installed to
provide a maximum of 4GB. Memory modules are available in 256MB, 512MB,
1024MB and 2048MB sizes.
An-easy-to-use 85(US)/86(UK)-key keyboard provides a numeric keypad overlay for
fast numeric data entry or for cursor and page control. The keyboard also includes
two keys that have special functions in Microsoft® Windows® XP. It supports
software that uses a 101- or 102-key enhanced keyboard.
Display
LCD
Built-in 17.1-inch, WXGA+ (1,440 x 900 dots)/WUXGA (1,920 x 1,200 dots)
amorphous silicon TFT color display.
Interface
To external monitor via - RGB connector
- S-video OUT connector
- D-port OUT connector
- HDMI port OUT connector
To internal monitor via - S-video IN connector
- Monitor IN port
Sound system
Harman/Kardon-made stereo speaker is equipped. An internal microphone, external
monaural microphone jack and two stereo headphone jacks (one stereo headphone
jack can be used also as S/PDIF connector) are also equipped.
Battery
The RTC battery is equipped inside the computer.
The main battery is a detachable lithium ion battery (4,700mAh:Li-Ion, 6cell/
7,050mAh:Li-Ion, 9cell).
TV-tuner (Type III-A slot)
This enables to watch TV and record it. (Supporting world wide signal : NTSC, PAL
and SECAM).
Wireless LAN (Mini card)
The wireless LAN is equipped on the Mini card.
LAN/MODEM
Connectors for LAN and Modem are separately mounted.
Depending on the model, the computer is equipped with a dedicated Bluetooth
module. This enables a communication to devices that support Bluetooth
Version 2.0. Adopting AFH (Adaptive Frequency Hopping), reduce the interference
with the wireless communication in 2.4GHz. It can be switched on or off with a
switch on the computer.
Remote controller
A remote controller for easy operation from some distance.
USB FDD
USB FDD supports 720KB and 1.44MB.
PC card slot
The PC card slot (PCMCIA) accommodates one 5mm Type II card. (Based on PC
Card Standard, supporting CardBus)
ExpressCard slot
The ExpressCard slot accommodates an ExpressCard.
USB (Universal Serial Bus)
Four USB ports are provided. The ports comply with the USB2.0 standard, which
enables data transfer speeds 40 times faster than USB1.1 standard. USB1.1 is also
supported.
Bridge Media slot
One SD memory card/ SDIO card/Memory stick (PRO)/xD picture card/MultiMedia
card slot. Data can be read and written by inserting each media to the slot.
IEEE1394 port
The computer has one IEEE 1394 port. It enables high-speed data transfer directly
from external devices such as digital video cameras.
S/PDIF
This port can send or receive the digital sound data with the equipment like CD, MD
Player. (This port is also used for headphone I/F.)
The computer is equipped with a fingerprint sensor and fingerprint authentication
utility. They enable only person who has registered his/her fingerprint to use the
computer.
Two memory slots capable of accepting DDR2-SDRAM 256MB, 512MB, 1024MB
or 2048MB memory modules for a maximum of 4GB.
- 200-pin small-size DIMM
- 1.8V operation
- PC4300(DDR2-533)/PC5300(DDR2-667) support
BIOS ROM (Flash memory)
- 8Mbit (512K×16-bit chip)
301KB used for Animation
288KB used for system BIOS
64KB used for VGA-BIOS
64KB used for Finger Print
32KB used for ACPI
24KB used for booting
16KB used for Parameter Block
Others
2.4GHz DSSS/OFDM, 5.0GHz OFDM wireless LAN card is equipped. Conformity
with IEEE 802.11b/g or IEEE 802a/b/g. Transfer speed is maximum of 54Mbit/sec.
Supports 128/152 bit WEP.
TV tuner
Some signals (NTSC, PAL and SECAM) are supported for worldwide use and
MPEG2 hardware encoding function are also supported.
LAN controller (82562 Ekron/82573L Vidalia)
Controls LAN and supports 1000Base-T (Gigabit Ethernet)/100BASE-TX (Fast
Ethernet)/10BASE-T (Ethernet).
MODEM (Askey-made 1456VQL4/FOXCONN-made MRT60M893.02 x 1)
Supported by Azallia MDC 1.5 using the Azallia link.
1.4.1 DVD Super Multi Drive (supporting Double-Layer)
The DVD Super Multi drive (supporting Double Layer) accommodates 12 cm (4.72-inch)
CD/DVD-ROM, CD-R/RW, DVD±R/±RW and DVD-RAM. It is a high-performance drive
that reads DVD-ROM at maximum 8-speed and CD-ROM at maximum 24-speed. It writes
CD-R at maximum 24-speed, CD-RW at maximum 16-speed (Ultra Speed), DVD-R and
DVD+R at maximum 8-speed, DVD-RW and DVD+RW at maximum 4-speed, DVD-RAM
at maximum 5-speed, DVD-R (Double Layer) at maximum 2-speed and DVD+R (Double
Layer) at maximum 2.4-speeed.
The DVD Super Multi drive is shown in Figure 1-4. The dimensions and specifications of the
DVD Super Multi drive are described in Table 1-3, Table 1-4.
Table 1-3 DVD Super Multi drive (Double-Layer) outline dimensions
Outline
dimensions
(excluding
projections)
Figure 1-4 DVD Super Multi drive (Double-Layer)
Parameter Standard value
Maker
Width (mm) 128.0
Height (mm) 12.7
Depth (mm) 127.0
Mass (g) 179 ±15
CD-Audio, CD-ROM (mode1 and mode2),
CD-ROM XA (mode2, form1 and form2),
CD-I (mode2, form1 and form2), CD-I Ready,
CD-I Bridge, CD-R, CD-RW, Photo CD, Video CD,
Enhanced Music CD, CD-text
The HD DVD drive accommodates 12 cm (4.72-inch) CD-ROM, DVD-ROM, HD DVDROM, CD-R/RW, DVD±R/±RW and DVD-RAM. It is a high-performance drive that reads
DVD-ROM at maximum 8-speed DVD-ROM DL at maximum 6-speed, CD-ROM at
maximum 24-speed and HD DVD-ROM at maximum 1-speed. It writes CD-R at maximum
16-speed, CD-RW at maximum 10-speed (High Speed and Ultra Speed), DVD-R and
DVD+R at maximum 8-speed, DVD-RW and DVD+RW at maximum 4-speed, DVD-RAM
at maximum 3-speed, DVD-R (Double Layer) and DVD+R (Double Layer) at maximum 2.4speed.
The HD DVD drive is shown in Figure 1-5. The dimensions and specifications of the HD
DVD drive are described in Table 1-5 and 1-6.
Outline
dimensions
(excluding
projections)
Figure 1-5 HD DVD drive
Table 1-5 HD DVD drive outline dimensions
Parameter Standard value
Maker
Width (mm) 128.0
Height (mm) 12.7
Depth (mm) 126.1
Mass (g) 160 typ.
A keyboard which consists of 85(US)/86(UK) keys is mounted on the system unit. The
keyboard is connected to membrane connector on the system board and controlled by the
keyboard controller.
Figure 1-6 is a view of the keyboard.
Figure 1-6 Keyboard
See Appendix E for details of the keyboard layout.
The TFT color display is 17.1 inch and consists of LCD module and FL inverter board.
1.6.1 LCD Module
The LCD module used for the TFT color display uses a backlight as the light source and can
display a maximum of 320,000 colors with 1,440 x 900 (WXGA+)/1,920 x 900 (WUXGA)
resolution.
Figure 1-7 shows a view of the LCD module and Table 1-7 lists the specifications.
Figure 1-7 LCD module
Table 1-7 LCD module specifications
Item
LG-Philips (G33C0002V110)
Number of Dots 1,440(W) x 900(H)
Dot spacing (mm) 0.255 (H) x 0.255 (V)
Display range (mm) 367.2 (W) x 229.5 (H)
Outline dimensions 382.2 (w) x 246.8 (H) x 9.7(typ)/10.0(max) (D)
Specifications
Item
Number of Dots 1,920(W) × 1,200(H)
Dot spacing (mm) 0.1905(H) × 0.1905(V)
Display range (mm) 365.76(W) × 228.60(H)
The main battery is the primary power supply for the computer when the AC adapter is not
connected. In Standby, the main battery maintains the current status of the computer.
Battery charging is controlled by a power supply microprocessor. The power supply
microprocessor controls power supply and detects a full charge when the AC adaptor and
battery are connected to the computer.
Battery Charge
When the AC adapter is connected, normal charging is used while the system is
turned on and quick charge is used while the system is turned off. Refer to the
following Table 1-11.
Table 1-11 Time required for charges of main battery
Battery type Quick charge Normal charge
Battery 6cell (4,700mAh) About 3.0 to 3.5 or longer (hours)
Battery 9cell (7,050mAh)
About 3.0 (hours)
About 3.0 to 5.0 or longer (hours)
Charge is stopped in the following cases.
1. The main battery is fully charged
2. The main battery is removed
3. Main battery or AC adapter voltage is abnormal
4. Charging current is abnormal
Data preservation time
When turning off the power in being charged fully, the preservation time is as
following Table 1-12.
Chapter 2 describes how to determine which Field Replaceable Unit (FRU) in the computer is
causing the computer to malfunction. (The “FRU” means the replaceable unit in the field.)
The FRUs covered are:
1. Power supply 7. Display 13. Sound
2. System Board 8. Optical Disk Drive 14. TV Tuner
3. USB FDD 9. Modem 15. Bridge Media slot
4. 2.5” HDD 10. LAN 16. PCI ExpressCard slot
5. Keyboard 11. Wireless LAN 17. Fingerprint Sensor
6. Touch pad 12. Bluetooth
The Test Program operations are described in Chapter 3. Detailed replacement procedures are
described in Chapter 4.
NOTE: Before replacing the system board, it is necessary to execute the subtest 03 DMI
Information save of the 3.4 Setting of the hardware configuration in Chapter 3.
After replacing the system board, it is necessary to execute the subtest 04 DMI
Information recovery and subtest 08 System configuration display of the 3.4
Setting of the hardware configuration in Chapter 3. Also update with the latest
EC/KBC as described in Appendix H “EC/KBC Rewrite Procedures”.
After replacing the LCD, update with the latest EC/KBC as described in Appendix
H “EC/KBC Rewrite Procedures” to set the SVP parameter.
The implement for the Diagnostics procedures is referred to Chapter 3. Also, following
implements are necessary:
Use the flowchart in Figure 2-1 as a guide for determining which troubleshooting procedures
to execute. Before going through the flowchart steps, verify the following:
Ask him or her to enter the password if a password is registered.
Verify with the customer that Toshiba Windows is installed on the hard disk. Non-
Windows operating systems can cause the computer to malfunction.
Make sure all optional equipment is removed from the computer.
If the diagnostics program cannot detect an error, the problem may be intermittent. The Test
program should be executed several times to isolate the problem. Check the Log Utilities
function to confirm which diagnostic test detected an error(s), then perform the appropriate
troubleshooting procedures as follows:
1. If an error is detected on the system test, memory test, display test, CD-ROM/DVD-
ROM test, expansion test, real timer test, sound test or Modem/LAN/Bluetooth
/IEEE1394 test, perform the System Board Troubleshooting Procedures in Section 2.4.
2. If an error is detected on the floppy disk test, perform the USB FDD Troubleshooting
Procedures in Section 2.5.
3. If an error is detected on the hard disk test, perform the HDD Troubleshooting
Procedures in Section 2.6.
4. If an error is found on the keyboard test (DIAGNOSTICS TEST) and pressed key
display test (ONLY ONE TEST), perform the Keyboard Troubleshooting Procedures
in Section 2.7.
5. If an error is found on the touch pad test (ONLY ONE TEST), perform the touch pad
Troubleshooting Procedures in Section 2.8.
6. If an error is detected on the display test, perform the Display Troubleshooting
Procedures in Section 2.9.
7. If an error is detected on the CD-ROM/DVD-ROM test, perform the Optical Disk
Drive Troubleshooting Procedures in Section 2.10.
8. If an error is detected on the modem test, perform the Modem Troubleshooting
Procedures in Section 2.11.
9. If an error is detected on the LAN test, perform the LAN Troubleshooting Procedures
in Section 2.12.
10. If an error is detected on the wireless LAN test, perform the Wireless LAN
Troubleshooting Procedures in Section 2.13.
11. If an error is detected on the Bluetooth test, perform the Bluetooth Troubleshooting
Procedures in Section 2.14.
12. If an error is detected on the sound test, perform the Sound Troubleshooting
2 Troubleshooting Procedures 2.3 Power Supply Troubleshooting
2.3 Power Supply Troubleshooting
The power supply controller controls many functions and components. To determine if the
power supply is functioning properly, start with Procedure 1 and continue with the other
Procedures as instructed. The procedures described in this section are:
2.3 Power Supply Troubleshooting 2 Troubleshooting Procedures
Table 2-2 DC IN icon
DC IN icon Power supply status
Lights blue DC power is being supplied from the AC adapter.
Blinks orange Power supply malfunction
Doesn’t light Any condition other than those above.
*1
*1 When the power supply controller detects a malfunction, the DC IN icon blinks
orange. It shows an error code.
When the icon is blinking, perform the following procedure.
1. Remove the battery pack and the AC adapter.
2. Re-attach the battery pack and the AC adapter.
If the icon is still blinking after the operation above, check the followings:
Check 1 If the DC IN icon blinks orange, go to Procedure 2.
Check 2 If the DC IN icon does not light, go to Procedure 3.
Check 3 If the battery icon does not light orange or blue, go to Procedure 4.
NOTE: Use a supplied AC adapter G71C0002R710, G71C0002R810 (2-pin)/
2 Troubleshooting Procedures 2.3 Power Supply Troubleshooting
Procedure 2 Error Code Check
If the power supply microprocessor detects a malfunction, the DC IN icon blinks orange. The
blink pattern indicates an error as shown below.
Start Off for 2 seconds
Error code (8 bit)
“1” On for one second
“0” On for half second
Interval between data bits Off for half second
The error code begins with the least significant digit.
Example: Error code 11h (Error codes are given in hexadecimal format.)
10h AC Adapter output voltage is over 16.5V.
11h Common Dock output voltage is over 16.5V.
12h Current from the DC power supply is over 12.0A.
13h Current from the DC power supply is over 0.5A when there is no load.
14h Abnormal current has been sensed.
2 Troubleshooting Procedures 2.3 Power Supply Troubleshooting
Main Battery
Error code Meaning
22h Main battery discharge current is over 0.5A.
23h Main battery charge current is over 4.3A.
24h Abnormal current has been sensed.
25h Main battery charge current is over 0.3A when the charging is off.
2nd Battery
Error code Meaning
32h Second battery discharge current is over 0.5A.
33h Second battery charge current is over 4.3A.
34h Abnormal current has been sensed.
35h Second battery charge current is over 0.3A when the charging is of f.
S3V output
Error code Meaning
40h S3V voltage is over 3.47V.
45h S3V voltage is under 3.14V.
46h S3V voltage is under 3.14V or less when the computer is booting up.
E5V output
Error code Meaning
50h E5V voltage is over 6.00V.
51h E5V voltage is under 4.50V when the computer is powered on.
52h E5V voltage is under 4.50V when the computer is booting up.
54h E5V voltage is under 4.50V when EV power is maintained.
2.3 Power Supply Troubleshooting 2 Troubleshooting Procedures
E3V output
Error code Meaning
60h E3V voltage is over 3.96V.
61h E3V voltage is under 2.81V when the computer is powered on.
62h E3V voltage is under 2.81V when the computer is booting up.
64h E3V voltage is under 2.81V when EV power is maintained.
1R5-E1V output
Error code Meaning
70h 1R5-E1V voltage is over 1.80V.
71h 1R5-E1V voltage is under 1.275V when the computer is powered on.
72h 1R5-E1V voltage is under 1.275V when the computer is booting up.
73h 1R5-E1V voltage is over 1.275V wh en EV power is maintained.
1R8-B1V
Error code Meaning
80h 1R8-B1V voltage is over 3.00V.
81h 1R8-B1V voltage is under 1.53V when the computer is powered on.
82h 1R8-B1V voltage is under 1.53V when the computer is booting up.
84h 1R8-B1V voltage is under 1.53V when BV power is maintained.
PPV output
Error code Meaning
90h PPV voltage is over 1.80V.
91h PPV voltage is under 0.32V when the computer is powered on.
92h PPV voltage is under 0.32V when the computer is booting up.
2 Troubleshooting Procedures 2.3 Power Supply Troubleshooting
PTV output
Error code Meaning
A0h PTV voltage is over 1.26V.
A1h PTV voltage is under 0.89V when the computer is powered on.
A2h PTV voltage is under 0.89V when the computer is booting up.
1R5-E1V output
Error code Meaning
B0h 1R5-E1V voltage is over 1.80V.
B1h 1R5-E1V voltage is under 1.275V when the computer is powered on.
B2h 1R5-E1V voltage is under 1.275V when the computer is booting up.
B4h 1R5-E1V voltage is under 1.275V when EV power is maintained.
PGV output
Error code Meaning
C0h PGV voltage is over 1.62V when the computer is powered on/off.
C1h PGV voltage is under 0.68V when the computer is powered on.
C2h PGV voltage is under 0.68V when the computer is booting up.
C4h PGV voltage is under 0.68V when EV power is maintained.
1R5-P1V/SVP-P1V output
Error code Meaning
D0h 1R5-P1V/SVP-P1V voltage is over 2.22V.
D1h 1R5-P1V/SVP-P1V voltage is under 1.275V when the computer is powered on.
D2h 1R5-P1V/SVP-P1V voltage is under 1.275V when the computer is booting up.
2 Troubleshooting Procedures 2.3 Power Supply Troubleshooting
Procedure 3 Connection Check
The wiring diagram related to the power supply is shown below:
Any of the connectors may be disconnected. Perform Check 1.
Check 1 Make sure the AC adapter and the AC power cord are firmly plugged into the DC
IN jack and wall outlet. If these cables are connected firmly, go to Check 2.
Check 2 Replace the AC adapter and the AC power cord with new ones.
• If the DC IN icon does not light, go to Procedure 5.
• If the battery icon does not light, go to Check 3.
Check 3 Make sure the battery pack is installed in the computer correctly. If the battery is
properly installed and the battery icon still does not light, go to Procedure 4.
Procedure 4 Charging Check
Check if the power supply controller charges the battery pack properly. Perform the following
procedures:
Check 1 Make sure the AC adapter is firmly plugged into the DC IN jack.
Check 2 Make sure the battery pack is properly installed. If it is properly installed, go to
Check 3.
Check 3 The battery pack may be completely discharged. Wait a few minutes to charge the
battery pack while connecting the battery pack and the AC adapter. If the battery
pack is still not charged, go to Check 4.
Check 4 The battery’s temperature is too high or low. Leave the battery for a while to adjust
it in the right temperature. If the battery pack is still not charged, go to Check 5.
Check 5 Replace the battery pack with a new one. If the battery pack is still not charged, go
2 Troubleshooting Procedures 2.4 System Board Troubleshooting
2.4 System Board Troubleshooting
This section describes how to determine if the system board is malfunctioning or not. Start
with Procedure 1 and continue with the other procedures as instructed. The procedures
described in this section are:
Procedure 1: Message Check
Procedure 2: Debugging Port Check
Procedure 3: Diagnostic Test Program Execution Check
Procedure 4: Replacement Check
2.4 System Board Troubleshooting 2 Troubleshooting Procedures
Procedure 1 Message Check
When the power is turned on, the system performs the Initial Reliability Test (IRT) installed
in the BIOS ROM. The IRT tests each IC on the system board and initializes it.
If an error message is shown on the display, perform Check 1.
If there is no error message, go to Procedure 2.
If MS-DOS or Windows OS is properly loaded, go to Procedure 4.
Check 1 If one of the following error messages is displayed on the screen, press the F1 key
as the message instructs. These errors occur when the system configuration
preserved in the RTC memory (CMOS type memory) is not the same as the actual
configuration or when the data is lost.
If you press the F1 key as the message instructs, the SETUP screen appears to set
the system configuration. If error message (b) appears often when the power is
turned on, replace the RTC battery. If any other error message is displayed,
perform Check 2.
(a) *** Bad HDD type ***
Check system. Then press [F1] key ......
(b) *** Bad RTC battery ***
Check system. Then press [F1] key ......
(c) *** Bad configuration ***
Check system. Then press [F1] key ......
(d) *** Bad memory size ***
Check system. Then press [F1] key ......
(e) *** Bad time function ***
Check system. Then press [F1] key ......
(f) *** Bad check sum (CMOS) ***
Check system. Then press [F1] key ......
(g) *** Bad check sum (ROM) ***
Check system. Then press [F1] key ......
Check 2 If the following error message is displayed on the screen, press any key as the
message instructs.
The following error message appears when data stored in RAM under the resume
function is lost because the battery has become discharged or the system board is
damaged. Go to Procedure 3.
WARNING: RESUME FAILURE.
PRESS ANY KEY TO CONTINUE.
If any other error message displays, perform Check 3.
2 Troubleshooting Procedures 2.4 System Board Troubleshooting
Check 3 The IRT checks the system board. When the IRT detects an error, the system stops
or an error message appears.
If one of the following error messages (1) through (17), (23) or (24) is displayed,
go to Procedure 4.
If error message (18) is displayed, go to the Keyboard Troubleshooting Procedures.
If error message (19), (20) or (21) is displayed, go to the HDD Troubleshooting
Procedures.
If error message (22) is displayed, go to the USB FDD Troubleshooting Procedures.
2 Troubleshooting Procedures 2.4 System Board Troubleshooting
Table 2-4 Debug port (Boot mode) error status (3/10)
D port status Inspection items Details
F100h
Initialization of PIT channel 1
F101h
F102h
Prohibition of cache
Permission of L1/L2 cache in
FlashROM area
Update of microcode
Initialization of H/W (before
DRAM recognition)
Initialization of ICH.D30.Func0
Initialization of ICH.D31.Func0
Initialization of ICH.D31.Func1/2
Initialization of USB Controller
Initialization of ICH.D31.Func3
Initialization of ICH Audio
Initialization of TI Controller
Check of DRAM type and size
(at cold boot)
SM-RAM stack area test HLT When it can not be used as a stack
Cache configuration
Initialization of MCH
(Setting the refresh interval to “30μs”)
When unsupported memory is connected, becoming
HLT after beep sound (HLT when DRAM size is 0)
Cache permission (L1/L2 Cache)
CMOS access test (at cold boot) (HLT when an error is detected)
Battery level check of CMOS
CMOS checksum check
Initialization of CMOS data (1)
Setting of IRT status (Setting of boot status and IRT busy flag, The rest bits
Storing DRAM size in CMOS
F103h Resume branch (at cold boot)
are 0)
Not resume when a CMOS error occurred
Not resume when resume status code is not set
2 Troubleshooting Procedures 2.4 System Board Troubleshooting
Table 2-4 Debug port (Boot mode) error status (5/10)
D port status Inspection items Details
(F106h)
F107h
Battery discharging current control (1CmA).
Dividing procedures for time measuring by IRT
Saving memory configuration to
buffer
Reading of EC version
Update of flash ROM type
CPU clock measurement
Check of parameter block A
Permission of SMI except auto-off function
Judging of destination (Japan or except Japan)
based on DMI data
Setting for clock generator
Check of CMOS default setting
(Default is set, when there are Bad Battery and
Bad CheckSum (ROM, CMOS))
Control of excess of rated input power
AC adapter rated over current control
CPU Initialization
ACPI table initialization
(for execution of option ROM)
Initialization of devices which
need initialization before PCI
bus initialization
Setting of IDE device operation mode
Setting of AC’97/Azalia operation mode
Initialization of temperature control information
KBC initialization
VGA display off, Reset control
Control of built-in LAN permission/ prohibition
PCI Express initialization
Sound initialization
PC multi-box status acquisition (For models
supporting Select Bay)
HC initialization and Device recognition
Recognition and initialization of SD memory card
2.4 System Board Troubleshooting 2 Troubleshooting Procedures
Table 2-4 Debug port (Boot mode) error status (6/10)
D port status Inspection items Details
(F107h)
F108h
F109h
PIC initialization
PIC test
Password Initialization
PCI bus initialization (connection
of DS Bus)
Initialization of LAN information
WakeUp factor check
Task generation for waiting
INIT_PCI completion
SVP initialization (For models
supporting SVP)
CMOS data initialization (2)
PnP initialization
Setting of setup items
Waiting for the completion of
Multi-box status check (For
models supporting SVP)
H/W setting based on resource
F10Ah
Task generation for waiting PnP
resource making completion
PnP H/W initialization
PCI automatic configuration
PC card slot initialization
SIO initialization (For models supporting SIO)
FIR initialization (For models supporting FIR)
Making of work for automatic configuration
Acquisition of PCI IRQ
Configuration
Saving of VGA configuration result
Output code generation
FIRST_64KB_CHECK (Check of first 64KB memory)
INIT_INT_VECTOR (Initialization of vectors)
INIT_NDP (Initialization of NDP)
INIT_SYSTEM
(Initialization of system)
Storing of CMOS error information to
IRT_ERR_STS_BUF
Controlling CD POWER SW (model
supporting CD play)
Timer initialization start
F110h
F111h
F113h
F114h
F115h
F116h
F118h
EC initialization & Reading of battery
information
Update of system BIOS (Update EDID
INIT_DISPLAY
information for LCD)
(Waiting for VGA chip initialization
completion, VGA BIOS initialization)
Waiting for VGA power-on
Calling VGA BIOS
Waiting for Display access completion
DISP_LOGO (Logo displaying) (Starting of logo display
waiting DPORT=F125H (unused))
SYS_MEM_CHECK (Check of conventional memory) (Boot)
EXT_MEM_CHECK (Exception check in protected mode) (Boot)
INIT_SYS_MEM (Initialization of conventional memory)
(Reboot) (DPORT=F117H if error occurred
during exception check in protected mode)
Saving of value in 40:00h (For SIO saving/
restoring)
Setting of font address for resume password
Setting of repeat parameter for USB KB
Acquisition of keys pressed during IRT
Storing of T_SHADOW_RAM_SIZE
Update of system resource before boot
Rewriting of memory map data of INT15h
E820h function
Waiting for AC-Link initialization completion (For
models supporting AC-Link)
Updating of table for DMI
2 Troubleshooting Procedures 2.4 System Board Troubleshooting
Table 2-4 Debug port (Boot mode) error status (9/10)
D port statusInspection items Details
(F120h)
Copy of ACPI table to top of expansion memory
Waiting for writing of PSC version to BIOS
completion
Waiting for clock generator setting completion
When error occurred, halts at DPORT=F121H
Waiting for serial port initialization completion
(For models supporting SIO)
Cancel of NMI Mask
Taking out TIT check sum
Clear of the IRT flag on Runtime side
Update of check sum on Runtime side
Hibernation branch (For models supporting
BIOS Hibernation)
Initialization of Bluetooth (For models supporting
Bluetooth)
Check of existence of object maintenance cards
Prohibition of unused PC cards
Setting Wakeup status data for ACPI
HW initialization before Boot, Waiting for
initialization completion
Notifies the DVI connection status to VGA
BIOS (For models supporting DVI)
Setting of battery save mode
Setting of date
Waiting for Bluetooth initialization completion
(For models supporting Bluetooth)
PCI device configuration space close
Cache control
Process for CPU (Make the CPU clock to be
set by SETUP)
Waiting of motor-off completion of disabled
2 Troubleshooting Procedures 2.4 System Board Troubleshooting
Table 2-5 Debug port (Suspend mode) error status (1/3)
D port status Inspection items Details
Suspend mode
F130h
F131h
F132h Powering-off during resuming
When powering-off request from OS is
required, waiting for the completion of dividing
process because waiting in SUSPEND of
Runtime returns the process to OS
Forced execution of dividing (Permission of
SMI for dividing)
Waiting for completion of dividing
After prohibiting of all SMI, permits I/O trap
(EHCI) and external SMI
Starts dividing to transmit periodically
extension command (every 25 seconds) not to
generate time-out of power-off
Clears resume/power-off status
Storing and initializing of special configuration
register
Prohibits clock control
Recognition of suspending for boot/ resume
Branch of resume mode (DPORT= F132h) or
boot mode(DPORT=F133h)
Halt of HC
Starts sequence for storing display system.
F133h
Resume error check in suspend mode. Checks if in IRT.
Execution of driver for suspend
Clearing of data for Remote Lockout
Storing of USB register
Halt of HC
Storing CPU register
Permission of system area, memory cache (to work at high-speed)
Suspending of HDD
Storing KBC,SCC and MOUSE
Storing of PCI device
2.4 System Board Troubleshooting 2 Troubleshooting Procedures
Table 2-5 Debug port (Suspend mode) error status (2/3)
LED Status Test item Contents
(F133h)
F137h
F138h
F139h
F13Ah
Storing of PIT
Starts sequence for storing display system
Storing of PIC
Storing of DMAC
Storing of system status command port
Storing of PCMCIA card
Storing of RTC
Storing of original HW for system
Calculation of check sum
(conventional memory)
Processing of VGA –off (boot)
Suspending of HDD (boot)
Transition to S5 of Bluetooth (boot) (For models supporting Bluetooth)
Suspending of boot / resume for PnP
Suspending of boot / resume for password (Stores password information into Flash ROM)
Waiting for completion of suspending for HDD
password
Prohibition of PCI arbiter
(Stores PnP resource information into Flash
ROM)
F13Bh
Setting of Wakeup event
Power-off of PC card
Re-setting backup current
Forced off of fan
Checks if off-process for resume is needed
Power LED control during suspending
Isolates built-in LAN
Makes the power of sound off
Model-unique processing just before
suspending
Waiting for completion of dividing for
suspending
Stops dividing of extension command for
power off
2 Troubleshooting Procedures 2.4 System Board Troubleshooting
Table 2-5 Debug port (Suspend mode) error status (3/3)
LED Status Test item Contents
F13Ch
F13Dh
Measure for USB over current
Calculation of check sum of PnP RAM areaNot work in suspending for boot
Acquires how to turn the power off
Resets by EC (when required)
Makes not to send Eject Power Off
command when turning the power off by the
date check of alarm power on
Prohibition of all SMI
Initializing of special register in suspend
Calculates the check sum of SMRAM and
stores it in SMRAM
Calculates the checksum of system BIOS in
the IRT side
Setting status of suspend completion
Prohibition of L1&L2
Power off Completion of BIOS
2.4 System Board Troubleshooting 2 Troubleshooting Procedures
Table 2-6 Debug port (Resume mode) error status (1/4)
LED Status Test item Contents
Resume
F100h Refer to IRT
F101h Refer to IRT
F102h Refer to IRT
F103h
F121h
F122h
Refer to IRT
Clears flag for SMI control.
Renewal of Resume counter
Checks the WakeUp factors.
Rewriting of SMRAM BASE
Initializing devices necessary for
initialization before initializing PCI bus
Initializing of PIT
Initializing of PIT channel 0 (Sets the interval of
timer interruption to 55ms)
Initializing of PIT channel 2 (Sets the sound
generator frequency to 664Hz)
Measuring CPU clock
Recovery of PIC register
Initialization 2 of devices necessary for
initialization before initializing PCI bus
Permission of SMI other than auto-off function
Control of excess of rated input power
Control of battery discharging current (1CmA)
Control of excess of rated current of AC adapter
Dividing for measuring of IRT time
Setting to clock generator
Check of parameter block A
Initializing of CPU
Updating micro-code
Judge of CPU type
Check of supporting Geyserville
Sets the CPU clock to High
Setting of Graphics Aperture Size
AC'97 control
Initializing of temperature control information
Initializing of KBC
VGA display-off and Reset control
2.4 System Board Troubleshooting 2 Troubleshooting Procedures
Table 2-6 Debug port (Resume mode) error status s (3/4)
LED status Test item Contents
F12Ah
Waiting for completion of KBC initializing (not in ACPI mode)
Waiting for completion of USB initializing
Recovery of USB register
Recovery of CPU register
Resetting NDP interruption
Recovery of system, status command and
port
Wakeup check
Setting WAKEUP status data for ACPI
Initializing HW just before booting or
waiting for the completion
Setting battery saving mode
Setting of date
Closing PCI device configuration area
Cache control
Notifies the device change status to the high
rank.
Notifies the DVI connection status to VGA BIOS
Waiting for the completion of Bluetooth
initializing (for models supporting Bluetooth)
Renewal of Wakeup factor of DMI and SM-BIOS
structure table
Update of parameter block A
Setting of CPU clock to SETUP designation
Waiting for motor-off of disabled HDD
Final decision of USB FDD information
Post-process of PRE_BOOT_SETUP
Clears PWRBTN_STS
Enables Power Button
Measures against chip set defective
Waiting for the completion of recovery of
VGA register
Recovery of PIT register
Recovery of PCI configuration register
Recovery of PIC MASK
Executing of driver for RESUME
2.4 System Board Troubleshooting 2 Troubleshooting Procedures
Procedure 3 Diagnostic Test Program Execution Check
Execute the following tests from the Diagnostic Test Menu. These tests check the system
board. Refer to Chapter 3, Tests and Diagnostic, for more information on how to perform
these tests.
1. System test
2. Memory test
3. Keyboard test
4. Display test
5. Floppy Disk test
6. Printer test [It is not supported]
7. Async test [It is not supported]
8. Hard Disk test
9. Real Timer test
10. NDP test
11. Expansion test
12. CD-ROM/DVD-ROM test
13. Only One test
14. Wireless LAN test
15. LAN/Modem/Bluetooth/IEEE1394 test
16. Sound test
If an error is detected during these tests, go to Procedure 4.
Procedure 4 Replacement Check
System board may be faulty. Disassemble the computer following the steps described in
Chapter 4, Replacement Procedures and replace system board with a new one.
2 Troubleshooting Procedures 2.5 USB FDD Troubleshooting
2
2.5 USB FDD Troubleshooting
To check if the USB FDD is malfunctioning or not, follow the troubleshooting procedures
below as instructed.
Procedure 1: FDD Head Cleaning Check
Procedure 2: Diagnostic Test Program Execution Check
Procedure 3: Connector Check and Replacement Check
Procedure 1 FDD Head Cleaning Check
FDD head cleaning is one option available in the Diagnostic Program.
After connecting USB FDD, insert the Diagnostics Disk in the floppy disk drive. Turn on the
computer and run the test. And then clean the FDD heads using the cleaning kit. If the FDD
still does not function properly after cleaning, go to Procedure 2.
Detailed operation is given in Chapter 3, Tests and Diagnostics.
If the test program cannot be executed on the computer, go to Procedure 3.
2.5 USB FDD Troubleshooting 2 Troubleshooting Procedures
Procedure 2 Diagnostic Test Program Execution Check
Insert the Diagnostics Disk in the USB FDD, turn on the computer and run the test. Refer to
Chapter 3, Tests and Diagnostics, for more information about the diagnostics test procedures.
Make sure the floppy disk is formatted correctly and that the write protect tab is disabled.
Floppy disk drive test error codes and their status names are listed in Table 2-7. If any other
errors occur while executing the FDD diagnostics test, go to Check 1.
Table 2-7 FDD error code and status
Code Status
01h Bad command
02h Address mark not found
03h Write protected
04h Record not found
06h Media replaced
08h DMA overrun error
09h DMA boundary error
10h CRC error
20h FDC error
40h Seek error
60h FDD not drive
80h Time out error (Not ready)
EEh Write buffer error
FFh Data compare error
Check 1 If the following message is displayed, disable the write protect tab on the floppy
disk by sliding the write protect tab to “write enable”. If any other message
appears, perform Check 2.
Write protected
Check 2 Make sure the floppy disk is formatted correctly. If it is, go to Procedure 3.
2 Troubleshooting Procedures 2.5 USB FDD Troubleshooting
Procedure 3 Connector Check and Replacement Check
USB FDD is connected to USB port on system board. The connection of the cable and board
may be defective. Otherwise, they may be faulty. Disassemble the computer following the
steps described in Chapter 4, Replacement Procedures and perform the following checks.
USB FDD can be connected to the following 4 ports.
(System board x 4 ports)
Check 1 Make sure USB FDD is firmly connected to USB port. If the connection is loose,
connect firmly and repeat Procedure 2. If the problem still occurs, go to Check 2.
NOTE: When checking the connection, be sure to check it with care for the followings.
1. Cable can not be disconnected from the connector.
2. Cable is connected straight to the connector.
3. Cable is connected all the way seated in the connector.
To check if the 2.5” HDD is malfunctioning or not, follow the troubleshooting procedures
below as instructed.
Procedure 1: Partition Check
Procedure 2: Message Check
Procedure 3: Format Check
Procedure 4: Diagnostic Test Program Execution Check
Procedure 5: Connector Check and Replacement Check
CAUTION: The contents of the hard disk will be erased when the 2.5”HDD
troubleshooting procedures are executed. Transfer the contents of the hard
disk to floppy disks or other storage drive(s). For the backup, refer to the
User’s Manual.
Procedure 1 Partition Check
Insert the Toshiba MS-DOS system disk and start the computer. Perform the following
checks:
Check 1 Input C: and press Enter. If you cannot change to drive C, go to Check 2. If you
can change to drive C, go to Procedure 2.
Check 2 Input FDISK and press Enter. Choose Display Partition Information from the
FDISK menu. If drive C is listed in the Display Partition Information, go to Check
3. If drive C is not listed, return to the FDISK menu and choose the option to
create a DOS partition or a logical DOS drive on drive C. If the problem still
occurs, go to Procedure 2.
Check 3 If drive C is listed as active in the FDISK menu, go to Check 4. If drive C is not
listed as active, return to the FDISK menu and choose the option to set the active
partition for drive C. Then go to Procedure 2.
Check 4 Remove the system disk from the FDD and reboot the computer. If the problem
still occurs, go to Procedure 2. Otherwise, the 2.5” HDD is operating normally.
When the power is turned on, the system performs the Initial Reliability Test (IRT) installed
in the BIOS ROM. When the test detects an error, an error message is displayed on the screen.
Make sure no floppy disk is in the FDD. Turn on the computer and check the message on the
screen. When an OS starts from the 2.5” HDD, go to Procedure 3. Otherwise, start with
Check 1 below and perform the other checks as instructed.
Check 1 If any of the following messages appear, go to Procedure 3. If the following
messages do not appear, perform Check 2.
HDC ERROR
or
HDD #X ERROR(After 5 seconds this message will disappear.)
Check 2 If either of the following messages appears, go to Check 3. If the following
messages do not appear, perform Check 4.
Insert system disk in drive
Press any key when ready .....
or
Non-System disk or disk error
Replace and press any key when ready
Check 3 Using the SYS command of the MS-DOS, transfer the system to the 2.5” HDD. If
the system is not transferred, go to Procedure 3. Refer to the MS-DOS Manual for
detailed operation.
If the following message appears on the display, the system program has been
transferred to the HDD.
System Transferred
If an error message appears on the display, perform Check 4.
Check 4 2.5” HDD(s) and the connector(s) of system board may be defective (Refer to the
steps described in Chapter 4, Replacement Procedures for disassembling.). Insert
HDD(s) to the connector(s) firmly. If it is (or they are) firmly connected, go to
Procedure 3.
The computer’s HDD is formatted using the MS-DOS FORMAT program or the physical
format program of the test program. To format the HDD, start with Check 1 below and
perform the other steps as required.
Refer to the MS-DOS Manual for the operation of MS-DOS. For the format by the test
program, refer to the Chapter 3.
Check 1 Format the 2.5” HDD using MS-DOS FORMAT command. Type as FORMAT
C: /S/U.
If the 2.5” HDD can not be formatted, perform Check 2.
Check 2 Using the MS-DOS FDISK command, set the 2.5” HDD partition. If the partition
is not set, go to Check 3. If it is set, format the 2.5” HDD using MS-DOS
FORMAT command.
Check 3 Using the Diagnostic Disk, format the 2.5” HDD with a format option (physical
format). If HDD is formatted, set the 2.5” HDD partition using MS-DOS FDISK
command.
If you cannot format the 2.5” HDD using the Tests and Diagnostic program, go to
Procedure 4.
Procedure 4 Diagnostic Test Program Execution Check
The HDD test program is stored in the Diagnostics Disk. Perform all of the HDD tests in the
Hard Disk Drive Test. Refer to Chapter 3, Tests and Diagnostics, for more information about
the HDD test program.
If an error is detected during the HDD test, an error code and status will be displayed. The
error codes and statuses are described in Table 2-8. If an error code is not displayed but the
problem still occurs, go to Procedure 5.
Table 2-8 2.5” Hard disk drive error code and status
Code Status
05 HDD - HDC NOT RESET ERROR
07 HDD - DRIVE NOT INITIALIZE
HDD(s) is/are connected to the connector(s) on the system board. The connection of HDD(s)
and board may be defective. Otherwise, they may be faulty. Disassemble the computer
following instructions in Chapter 4, Replacement Procedures and perform the following
checks.
Check 1 Make sure HDD(s) is/are firmly connected to the connector(s) on the system
board.
If any of the connections are loose, reconnect firmly and repeat Procedure 1. If the
problem still occurs, go to Check 2.
Check 2 (One of) HDD(s) may be faulty. Replace it with a new one following the
instructions in Chapter 4, Replacement Procedures and check the operation. If the
problem still occurs, perform Check 3.
Check 3 System board may be faulty. Replace it with a new one following the instructions
To check if the computer’s display is malfunctioning or not, follow the troubleshooting
procedures below as instructed.
Procedure 1: External Monitor Check
Procedure 2: Diagnostic Test Program Execution Check
Procedure 3: Connector and Cable Check
Procedure 4: Replacement Check
Procedure 1 External Monitor Check
Connect an external monitor to the computer’s external monitor port, then boot the computer.
The computer automatically detects the external monitor.
If the external monitor works correctly, the internal LCD may be faulty. Go to Procedure 3.
If the external monitor appears to have the same problem as the internal monitor, system
board may be faulty. Go to Procedure 2.
Procedure 2 Diagnostic Test Program Execution Check
The Display Test program is stored in Diagnostics disk. This program checks the display
controller on system board. Insert the Diagnostics disk in the USB FDD, turn on the
computer and run the test. Refer to Chapter 3, Tests and Diagnostics for details. If an error is
LCD Module is connected to system board by an LCD/FL cable. FL inverter board is also
connected to system board by an LCD/FL cable. In addition, fluorescent lamp is connected to
FL inverter board by HV cable. Their cables may be disconnected from system board or FL
inverter board. Disassemble the computer following the steps described in Chapter 4,
Replacement Procedures.
If the connection is loose, reconnect firmly and restart the computer. If the problem still
occurs, go to Procedure 4.