Please check out our eBay auctions for more great
deals on Factory Service Manuals:
Note
Before using this information and the product it supports, be sure to read the general information under “Safety
Information” on page xii, and “Notices” on page 175.
Note for Using Your Computer in Japan
If you are using a modem in Japan, specify the country as “Japan” in the “Dialing Properties.” window under
the “Modem Properties” window. Using the modem functions with another setting is a violation of the
Japanese Telecommunication Business Law.
$The AC Adapter complies with the Electrical Appliance and Material Control Law of Japan.
$Input ac 100 V 50/60 Hz
$Rating:
$Output dc 16 V
$91-56055
$Certificate number (
):
First Edition (August 1998)
The following paragraph does not apply to the United Kingdom or any country where such provisions are
inconsistent with local law:
INTERNATIONAL BUSINESS MACHINES CORPORATION PROVIDES THIS PUBLICATION “AS IS” WITHOUT ANY
WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE LIMITED
WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Some states do not allow
disclaimers of express or implied warranties in certain transactions; therefore, this statement may not apply to you.
This publication could include technical inaccuracies or typographical errors. Changes are periodically made to the
information herein; these changes will be incorporated in new editions of the publication. IBM may make
improvements or changes in the products or the programs described in this publication at any time.
Requests for technical information about IBM products should be made to your IBM Authorized Dealer or your IBM
Marketing Representative.
Copyright International Business Machines Corporation 1998. All rights reserved. Note to U.S. Government
Users – Documentation related to restricted rights – Use, duplication, or disclosure is subject to restrictions set forth in
GSA ADP Schedule Contract with IBM Corp.
Thank You for Selecting
an IBM ThinkPad 770X Computer
We have developed this ThinkPad computer to meet
both your technical requirements and your high
expectations.
Functional Highlights
Compact design with core technology
High-speed processor
Large-capacity hard disk drive
Large color LCD
This powerful notebook computer includes a number of advanced
technologies and user-friendly functions to make your computing
experience more productive and pleasurable. Several of these
functions are highlighted below. For additional details and functions,
refer to the respective chapters in this book.
The Intel Pentium II 300-MHz processor with AGP (Accelerated
Graphics Port) support enables high-speed data processing and
advanced performance.
The 8.1-GB customer-upgradable hard disk drive can respond to a
wide variety of your business demands.
The 13.7- or 14.1-inch TFT (thin-film transistor) display with high
resolution (1024x768 or 1280x1024) provides clear and brilliant text
and graphics.
Lithium-ion battery pack
The large-capacity lithium-ion battery pack extends the operating
time of your computer, further enhancing its portability.
DVD-ROM drive
A new slim DVD-ROM (digital versatile disc ROM) drive plays
presentations recorded with the DVD format, and it also plays
standard CD-ROM discs.
Audio with 3D stereo sound
Your computer is equipped with internal audio record and playback
capabilities, including 3D (three-dimensional) audio from just two
speakers. When you enable the 3D stereo feature, sounds will
appear to be generated all around you, even though only two
speakers are used.
ivIBM ThinkPad 770X User's Reference
The model equipped with a digital signal processor (DSP); features a
high-quality MIDI wave table synthesizer with 128 instruments and up
to 32 voices.
To use the audio function
ThinkPad modem
The ThinkPad modem enables you to send or receive data, faxes,
and voice over the telephone line. This modem uses a DSP, and its
software can be upgraded, allowing great flexibility.
To use the ThinkPad modem function
User's Guide
.
TrackPoint with enhanced controls
Your computer has an enhanced TrackPoint function that enables
you to make selections merely by pressing on the TrackPoint. A
new center button converts the TrackPoint into a scroll controlling
device or a magnifying glass on the screen.
To use the TrackPoint
PC Card support
Your computer provides two PC Card slots that accept a 16-bit PC
Card, CardBus Card, or Zoomed Video Card.
This book contains information that will help you operate the IBM
ThinkPad 770X computer. Be sure to read the
Guide
and Chapter 1 of this book before using the computer.
ThinkPad Setup
Chapter 1. “Getting Familiar with Your Computer,”
you with the basic features of your computer.
Chapter 2. “Extending the Features of Your Computer,”
provides information on installing options and using your
computer's high-technology features.
Chapter 3. “Protecting Your Computer,”
on using passwords, identifying yourself with the Personalization
Editor, and using locks.
Chapter 4. “Solving Computer Problems,”
do when you have a computer problem. The chapter includes a
troubleshooting guide.
Appendix A. “Features and Specifications,”
features and specifications associated with your computer,
including information on power cords.
Appendix B. “Product Warranties and Notices,”
warranty statements for your computer and notices for this book.
The book concludes with an
index
.
provides information
describes what to
describes the
acquaints
contains the
xIBM ThinkPad 770X User's Reference
Icons Used in This Book
For procedures or information unique to the operating system
installed in your computer:
WIN
98
WIN
95
WIN
NT
WIN
3.1
Information for Microsoft
Windows 98 users
Information for Microsoft
Windows 95 users
Information for Microsoft
Windows NT users
Information for Microsoft
Windows 3.1 users
OS/2
DOS
Information for IBM Operating
System/2 (OS/2) users
Information for IBM DOS
users
Contents xi
Safety Information
Note: In the U.K., by law:
The telephone line cable
must be connected after the
power cord.
The power cord must be
disconnected after the
telephone line cable.
Electrical Safety Notice
DANGER
Electrical current from power, telephone, and
communication cables is hazardous. To avoid shock
hazard, connect and disconnect cables as shown below
when installing, moving, or opening the covers of this
product or attached devices. The 3-pin power cord
must be used with a properly grounded outlet.
To Connect
Turn everything OFF.
First, attach all cables to devices.
Attach the signal cables to
receptacles.
Attach the power cord to an outlet.
Turn the device ON.
To Disconnect
Turn everything OFF.
First, remove the power cord from
the outlet.
Remove signal cables from
receptacles.
Remove all cables from devices.
xiiIBM ThinkPad 770X User's Reference
DANGER
Do not disassemble, incinerate, or short-circuit the
rechargeable battery pack. Do not put it in trash that is
disposed of in landfills. Dispose of it as required by
local ordinances or regulations. In the United States,
call IBM at 1-800-IBM-4333 for information on disposal.
DANGER
The lithium battery (IBM P/N 12J0453 UL-recognized
component—File No. MH12210) can be replaced only by
your dealer or an IBM service representative. It contains
lithium and can explode if not properly used, handled, or
disposed of. Do not: (1) throw or immerse into water, (2)
heat to more than 100°C (212°F), or (3) repair or
disassemble. Dispose of it as required by local
ordinances or regulations.
CAUTION:
The fluorescent lamp in the liquid crystal display (LCD) contains
mercury. Do not put it in trash that is disposed of in landfills.
Dispose of it as required by local ordinances or regulations.
The LCD is made of glass, and rough handling or dropping the
computer can cause the LCD to break. If the LCD breaks and
the internal fluid gets into your eyes or on your hands,
immediately wash the affected areas with water for at least 15
minutes; then get medical care if any symptoms are present
after washing.
Contents xiii
Laser Compliance Statement
The CD-ROM or DVD-ROM drive in the IBM ThinkPad 770X
computer is a laser product. The drive's classification label (shown
below) is located on the top of the drive.
CLASS 1 LASER PRODUCT
LASER KLASSE 1
LUOKAN 1 LASERLAITE
APPAREIL A LASER DE CLASSE 1
KLASS 1 LASER APPARAT
The drive is certified in the U.S. to conform to the requirements of
the Department of Health and Human Services 21 Code of Federal
Regulations (DHHS 21 CFR) Subchapter J for Class I laser products.
In other countries, the drive is certified to conform to the
requirements of EN60825.
DANGER
Do not open the CD-ROM or DVD-ROM drive; no user
adjustments or serviceable parts are inside.
Use of controls, adjustments, or the performance of
procedures other than those specified might result in
hazardous radiation exposure.
Class 1 laser products are not considered to be hazardous. The
CD-ROM or DVD-ROM drive has an internal, Class 1, 0.5-milliwatt,
aluminum gallium-arsenide laser that operates at a wavelength of
760 to 810 nanometers. The design of the laser system and the
CD-ROM or DVD-ROM drive ensures that there is no exposure to
laser radiation above a Class 1 level during normal operation, user
maintenance, or servicing conditions.
xivIBM ThinkPad 770X User's Reference
This chapter provides basic information about your computer.
To power off the computer, hold the power switch for just a second and
release it. Wait at least 5 seconds before powering on again (or resuming
normal operation from suspend or hibernation mode).
Identifying the Hardware Features.................. 2
used for connecting your computer to a telephone
line.
4The legs can be extended to angle the keyboard
for more comfortable typing.
5The PC Card slots accept a PC Card, CardBus
Card, or Zoomed Video (ZV) Card. The eject
buttons 6 eject the PC Cards from the slots.
7The UltraBay II is used for inserting various
devices such as a CD-ROM drive, diskette drive,
DVD-ROM drive, a secondary hard disk drive, and
a secondary battery pack.
8The eject button ejects the tray from the
CD-ROM or DVD-ROM drive.
9The drive-in-use indicator goes on when data is
being read from a CD-ROM or a DVD-ROM in the
CD-ROM or DVD-ROM drive. Do not enter
suspend mode or eject a disc when this indicator
is on.
1 The emergency eject hole is used to eject the
CD-ROM or DVD-ROM tray when it does not open
with the eject button 8 . Insert a pin to eject the
tray.
11 The diskette eject button ejects a diskette from
the diskette drive.
12 The diskette drive-in-use indicator goes on
when data is being written to or is being read from
a diskette. Do not enter suspend mode or eject a
diskette when this indicator is on.
13 The left and right cover release latches open the
LCD when they are slid outward.
14 The left and right internal speakers generate
stereo sound.
15 The left and right release latches release the left
and right bay eject levers16 , which release
any device in the battery bay or the UltraBay II,
respectively. The right release latch contains a
bay LED that indicates when you can safely
remove a device from the UltraBay II.
17 The left click, right click, and center click
buttons are used to select items on the screen,
double-click and bring up context menus. They
work like mouse click buttons. The center click
button (below the other buttons) is used to
activate the enhanced TrackPoint functions.
18 The Fn key is used with the function keys
(F1–F12) to activate various functions.
19 The TrackPoint is a built-in pointing device that
functions like a mouse. It also has enhanced
features that a mouse does not have.
2 The function keys are used for activating special
ThinkPad functions (shown with blue-gray icons).
21 The built-in microphone is used for sound
recording and telephony.
22 The indicator panel shows the current status of
the computer and battery power with indicators
and numeric information.
23 The brightness control lever adjusts the
brightness of the screen.
Chapter 1. Getting Familiar with Your Computer3
Identifying the Hardware Features
Rear View
4IBM ThinkPad 770X User's Reference
Identifying the Hardware Features
1The battery pack is a built-in power source for the
computer. It allows you to operate the computer
when ac power is not available.
2The volume control adjusts the sound level of the
built-in speakers.
3The microphone/line-in jack is where you
connect a stereo microphone or external audio
$device. (1/8-inch stereo mini jack)
4The headphone jack is where you connect a
$stereo headphone or external speakers. (1/8-inch
$stereo mini jack)
5The power switch turns the computer on and off.
6The reset switch resets the system in an
emergency.
7The security keyhole is used with a security lock.
(See “Using Locks” on page 115.)
8The ac power jack is where you connect the AC
Adapter cable.
9The external-input-device connector allows you
to attach a mouse, an external keyboard, or an
external numeric keypad.
1 The serial connector (9-pin) is where you
connect a serial-device cable.
11 The universal serial bus (USB) connector
allows you to connect any device that conforms to
the USB interface. Many recent digital devices
comply to this new standard.
12 The fan louvers are for circulating air within the
computer.
Do not place any object in front of
these louvers.
13 The system-expansion connector (240-pin)
allows you to connect the IBM ThinkPad
SelectaBase 770 port replicator.
14 The rear infrared port allows your computer to
communicate with other devices that have infrared
data-transfer capabilities.
15 The external-monitor connector (15-pin) is
where you attach an external monitor (CRT).
16 The parallel connector (25-pin) is where you
usually connect a parallel-printer signal cable.
17 The external-diskette-drive connector is where
you attach an external-diskette-drive.
18 The power-on indicator indicates that the
computer power is on, regardless of whether the
computer is in suspend mode.
19 The suspend indicator indicates that the
computer is in suspend mode.
Green: The computer is in suspend mode.
Blinking green: The computer is in the
process of changing modes.
2 The charge indicator shows the charge status of
your battery.
Green: Enough battery power is left for
operation.
Orange: The battery pack is being charged.
Blinking orange: The battery pack needs to
be charged.
You will hear three beeps the moment this
indicator starts blinking if you had set the alarm in
the ThinkPad Configuration program.
Chapter 1. Getting Familiar with Your Computer5
Identifying the Hardware Features
Bottom View
7
6
5
4
1
2
3
6IBM ThinkPad 770X User's Reference
Identifying the Hardware Features
1The coin screw can be changed to a security
screw shipped with your computer to prevent
others from gaining access to the hard disk in the
hard disk bay.
2The hard disk bay houses the replaceable hard
disk drive.
3The adapter bay is a slot for installing the
and Enhanced Video Adapter
of your computer.
4The serial number label identifies your computer.
You might be asked for this if you get support
from the help center.
5The front infrared port allows your computer to
communicate with other devices that have infrared
data-transfer capabilities.
, an optional feature
DVD
6The security screws are hex-head screws that
can be installed to prevent others from releasing
the left and right release latches and easily
gaining access to the battery bay and the UltraBay
II.
7The bottom compartment houses the DIMM
memory slots and the backup battery slot. You
can insert up to two DIMM memory cards into the
memory slots to upgrade your system memory.
The backup battery in the battery slot is used for
retaining computer information in computer
memory and also for running the time-of-day
clock.
Chapter 1. Getting Familiar with Your Computer7
System-Status Indicators
System-Status Indicators
Various indicators appear on the indicator panel. These indicators
show the current status of your computer. You can use your
computer more efficiently once you know what these indicators
mean.
1The speaker indicator appears when the speaker beeps. It turns off
2The remaining battery indicator shows the remaining battery power
when a key is pressed.
in either percent (
(
hh:mm
).
When a secondary battery is used, the indicator shows the average
percentage of the main battery and the secondary battery combined.
%
), days (d), hours (h), or hours and minutes
3The battery status indicator shows the status of the main battery
pack 1 (in the battery bay) and the secondary battery pack 2 (in the
UltraBay II) in five levels, from empty
The indicator on the right shows the battery charge status; charging
(
) and discharging ( ). A blank indicates no battery activity.
4The diskette drive in-use indicator appears when data is being read
from or is being written to a diskette.
Do not enter suspend mode or eject the diskette when this indicator
is on.
5The hard disk in-use indicator appears when data is being read
from or is being written to the hard disk.
Do not enter suspend mode or turn off the computer when this
indicator is on.
to full .
8IBM ThinkPad 770X User's Reference
System-Status Indicators
6The numeric lock indicator indicates that the numeric keypad
function is enabled. Press and hold the Shift key while pressing the
NumLk key to enable or disable this function.
7The caps lock indicator indicates that the caps lock mode is
enabled. This mode enables you to enter the alphabetic characters
(
A–Z
) in capital letters without using the Shift key. The Caps Lock
key enables and disables this mode.
8The scroll lock indicator indicates that the scroll lock function is
enabled. This function enables you to use the Arrow keys to scroll
the screen. However, you will not be able to move the cursor with
these keys when this function is enabled. The ScrLk key enables
and disables this function. Not all application programs support this
function.
Chapter 1. Getting Familiar with Your Computer9
Functions of Your Computer
Functions of Your Computer
This section describes the following features:
Keyboard functions
ThinkPad utility programs
The
Online User's Guide
UltraBay II
Keyboard Functions
Your computer's keyboard has the following functions:
TrackPoint
Fn key
Numeric keypad
TrackPoint
The keyboard contains a unique cursor-pointing device called the
TrackPoint
single process you can perform without moving your fingers from
their typing position.
. Pointing, selecting, and dragging all become part of a
You can set the following features by customizing the
TrackPoint:
Press-to-Select
Sensitivity
Scrolling or Magnifying Glass
For more information
page 49.
10IBM ThinkPad 770X User's Reference
“Customizing the TrackPoint” on
Functions of Your Computer
The TrackPoint consists of a stick on the keyboard and three click
buttons below the keyboard. Movement of the cursor on the screen
is controlled by the amount of pressure that you apply to the nonslip
cap on the stick in any direction parallel to the keyboard; the stick
itself does
corresponds to the pressure you apply to the stick. The functions of
the left and right click buttons correspond to those of the left and
right mouse buttons on a traditional mouse; these functions depend
on the software you are using. The function of the center button is
described on page 52.
not
move. The speed at which the cursor moves
If you are not familiar with using the TrackPoint, these instructions
will help you get started:
1
Place your hands in the typing position and press gently
with either index finger on the stick in the direction you
want the cursor to move.
Pressing the stick away from you moves the cursor up the
screen; pressing it toward you moves the cursor down the
screen. You can also move the cursor side to side by pressing
sideways.
The cursor might drift. This is not a defect. Do not use the
TrackPoint until the cursor stops moving.
Chapter 1. Getting Familiar with Your Computer11
Functions of Your Computer
2
Press the left and right click buttons with either thumb to
select and drag as required by your software.
By enabling Press-to-Select, you can make the TrackPoint stick
function the same as the left or right click button. For more
information
“Customizing the TrackPoint” on page 49.
Changing the Cap
The cap 1 on the end of the TrackPoint stick is removable.
You can replace it with one of the spares shipped with your
computer.
12IBM ThinkPad 770X User's Reference
Fn Key
Functions of Your Computer
The Fn key function allows you to change operational features
instantly. When you use the following functions, press and hold the
Fn key 1 ; then press the appropriate function key 2 (F1 to F12).
The Fn Key Lock Function
The following setup gives you the same effect as when you press
and hold the Fn key and then press an appropriate function key.
Start the ThinkPad Configuration program. ( “ThinkPad
Configuration Program” on page 26.) Click on the Accessibility
() button, and click on Enable for Fn key lock. You can
also set up by typing PS2 FNS E at the command prompt.
After you enable the Fn key lock and press Fn
of the function keys. The computer works the same as when you
press Fn + the function key.
If you press Fn
key alone is recognized as a combination of Fn+ that function
key. To stop this function, press Fn again.
Chapter 1. Getting Familiar with Your Computer13
twice
after enabling the lock, pressing a function
once
, press one
Functions of Your Computer
Feature and
icon
Fuel-Gauge
display on or off
Processor speed
switching
Key CombinationMeaning
+
(Only for OS/2 or
Windows users)
+
The following table shows the function of the Fn key combined with
keys:
Power Mode Functions
If you press this key combination, the window for the battery
status appears or disappears. You can set parameters for
battery status in the window.
Note: The Fuel-Gauge program must be activated before
you can use this key combination.
To activate the Fuel-Gauge program, do the following:
1.
Click on Start.
2.
Move the cursor to Programs, ThinkPad, and
then click on Fuel.
The processor speed changes as follows:
High PerformanceAutomatic
Customized
Standby mode
Suspend mode
Hibernation mode
Switching
between the LCD
and the external
monitor
Power Conservation Functions for Battery Power
+
+
+
+
The computer enters standby mode. For more information
about this mode
The computer enters suspend mode. For more information
about this mode
The computer enters hibernation mode. For more
information about this mode
Guide
.
Other Functions
Computer output is displayed in the following order when an
external monitor (CRT) is attached.
“Basic” in the
“Basic” in the
CRTLCD +
Display
CRT Display
LCD
“Basic” in the
Online User's Guide
Online User's Guide
Online User's
.
.
14IBM ThinkPad 770X User's Reference
Functions of Your Computer
Feature and
icon
Screen
expansion
Key CombinationMeaning
+
The LCD screen image size switches between expanded and
normal mode if the size of your LCD image is smaller than
that of the physical LCD.
If your computer is equipped with a 13.7-inch SXGA display
used in standard VGA mode, such as MS-DOS full screen
mode or the safe mode screen of Windows 98 or Windows
95, computer output is displayed in expansion mode. In this
case, you cannot switch the LCD screen image size.
If the computer is in suspend mode and you press the Fn
key independently without any function key, the computer
returns to normal operation.
Chapter 1. Getting Familiar with Your Computer15
Functions of Your Computer
Numeric Keypad
The keyboard has some keys that, when enabled, work as if they
were a 10-key numeric keypad. (The numeric keypad on the
keyboard is not active when the external keyboard or the external
numeric keypad is attached to the computer.)
To enable or disable the numeric keypad, press and hold Shift and
then press NumLk.
NumLk
F8F9 F10
6
7
Y
456
H
N
F11 F12
89
123
<
0
AltCtrl
_
/
*
{
"
-
.
+
Shift
If the numeric keypad is enabled, press and hold Shift to temporarily
use the cursor- and screen-control keys.
The functions of the cursor- and screen-control keys are not
printed on the keys.
NumLk
F8F9 F10
Home
6
Y
End
H
N
F11 F12
PgUp
/
PgDn
<
AltCtrl
_
*
{
"
-
DelIns
+
Shift
16IBM ThinkPad 770X User's Reference
ThinkPad Utility Programs
Your computer has the following utility programs for easy
configuration:
Easy-Setup
ThinkPad Configuration program
This section summarizes these utility programs.
Easy-Setup
Your computer provides a user-friendly program called
which allows you to select various setup parameters:
Config: Set the configuration of your computer.
Date/Time: Set the date and time.
Password: Set a password.
Start up: Set the startup device.
Test: Test the system.
Restart: Restart the system.
To start Easy-Setup, do as follows:
Functions of Your Computer
Easy-Setup
,
1
Power off the computer, and remove any diskette from
the diskette drive.
2
Press and hold F1; then power on the computer. Hold
F1 until the “Easy-Setup” menu appears.
If you have set a password, the “Easy-Setup” menu appears
after you enter the password.
Easy-Setup
Config
Restart
Date/Time
Password
BIOS part number, Date
System-unit serial number
System board serial number
Microprocessor
UUID
nnnnnnnn-nnnn-nnnn-nnnn-nnnnnnnnnnnn
Trademark of Intel Corporation
**
Start up
Test
12/31/98
nnnnnnn
nnnnnnnnnnnnnn
nnnnnnnnnnn
Pentium( ) II Processor
**
Chapter 1. Getting Familiar with Your Computer17
Functions of Your Computer
3
Move to an icon you want to change, using the arrow
keys or the TrackPoint, and click on the icon.
A submenu is displayed.
4
Change the items you wish to change.
5
Click on Exit to exit from the submenu.
6
Click on Restart to exit from the “Easy-Setup” menu.
Your computer restarts.
Changing the Screen Color
You can change the color of the “Easy-Setup” menu by pressing
the Ctrl+PgUp keys or by pressing the Ctrl+PgDn keys.
To return to the original color, press the Ctrl+Home keys.
Clicking on the Config button displays the following “Config”
submenu:
Memory SystemBoard
Initialize
Exit
Display
Network
Quick Boot
The Memory button shows the amount of memory installed and
available.
The System Board button provides information on the system board
installed.
18IBM ThinkPad 770X User's Reference
Functions of Your Computer
The Display button sets the screen output to be displayed on either
a single screen or on multiple screens.
The Network button enables or disables the Wake-on-LAN function
(option) or the Flash-over-LAN function (option). You can use these
functions only with a docking station.
The Quick Boot button enables or disables the Simple Boot Flag
function.
Simple Boot Flag function
This function automatically optimizes the behavior and boot
performance of the BIOS and operating system, based on the
installed operating system and previous boot.
If this function is Enabled and once a Plug and Play–capable
operating system, such as Windows 98, is installed, the system
BIOS does not configure such hardware resources as system
interruptions, memory windows, and I/O port ranges for all the
devices in the system.
If you are going to use a non–Plug and Play–capable
operating system, disable this function so that the BIOS will
configure hardware resources.
The Initialize button sets all device settings to their default values.
Chapter 1. Getting Familiar with Your Computer19
Functions of Your Computer
Clicking on the Date/Time button displays the following “Date and
Time” submenu, which you can use to set the current date and time:
To change the date and time, do the following:
1
Move the cursor to any field (Year, Month, Day, Hour,
Minute, Second); then type the date and time.
Instead of typing, you can place the pointer on any of the arrow
icons (
Clicking on the double-arrow icon scrolls the numbers faster.
, , , or ) to adjust the date and time.
2
Click on OK to save the changes or on Cancel to cancel
them.
You can also set the current date and time with the application
included with the operating system installed in your computer.
20IBM ThinkPad 770X User's Reference
Functions of Your Computer
Clicking on the Password button displays the “Password” submenu,
which you can use to set passwords:
Selecting this icon displays a submenu for setting the
power-on password.
Selecting this icon displays a submenu for setting the
hard-disk-drive (HDD) password.
Selecting this icon displays a submenu for setting the
supervisor password.
For more information on passwords
“Using Passwords” on
page 100.
An open lock icon shows that a password has not been set yet.
Clicking on the Start up button displays the “Start up” submenu,
which you can use to change the startup or boot sequence.
For example, if you have different operating systems on different
replaceable hard disk drives or PC Cards, you can have the system
boot up from one of these devices.
To change the startup sequence, do the following:
1
Click on Start up in the “Easy-Setup” menu. The “Startup”
submenu appears:
Chapter 1. Getting Familiar with Your Computer21
Functions of Your Computer
You must be extremely careful
not to specify a wrong device
during a copy, save, or a format
operation after you change your
startup sequence. If you specify
a wrong device, your data and
programs might be erased or
overwritten.
Note:
The Power-On button sets the startup sequence when the
power switch is set to ON.
The Network button sets the startup sequence when Wake on
LAN is started. Wake on LAN is typically used by LAN
administrators in corporate networks to access your computer
remotely. This function can be used only with a docking station
(option).
2
Click on Power-On or Network.
3
Move the cursor to the Reset icon, and click on it.
4
Select the first device you want for the startup sequence,
then click on it.
You can set up to four devices.
5
Click on OK or press Enter to save the changes.
22IBM ThinkPad 770X User's Reference
Functions of Your Computer
The Power-On submenu:
Reset
FDD-1FDD-2HDD-1HDD-2Network
CDROMPCMCIAHDD-4HDD-3
The FDD-1 icon is the diskette drive in the UltraBay II. If you
don't have a diskette drive in the UltraBay II but you have one in
the docking station, that diskette drive becomes FDD-1. If you
have an additional diskette drive, that drive becomes FDD-2.
The following table shows the diskette drives that correspond to
FDD-1 or FDD-2:
Table 1. Supported Combinations for Diskette Drives
CaseDiskette Drive in
the UltraBay II
Case
FDD-1NoneNone
1
Case
NoneNoneFDD-1
2
Case
NoneFDD-1None
3
Case
FDD-1NoneFDD-2
4
Case
FDD-1FDD-2None
5
Note: The external diskette drive, connecting both the computer and
the port replicator, and the diskette drive in the docking station use a
common port. You cannot use more than two diskette drives among the
three locations at the same time. You can use the diskette drive in the
UltraBay II without any restriction, because the port is independent.
Diskette Drive in
the Docking
Station
External
Diskette Drive
Chapter 1. Getting Familiar with Your Computer23
Functions of Your Computer
The HDD-1 to HDD-4 icons are assigned to each hard disk drive
in the following priority:
1. The primary hard disk drive (placed in the hard disk bay of
the computer)
2. A hard disk drive in the UltraBay II
3. A hard disk drive in the UltraBay II tray of the docking station
4. A hard disk drive in the device space of the docking station
5. A hard disk drive connected to the computer with a SCSI
connector
For example, if you don't have the hard disk drive in the
computer's UltraBay II but you have one in the docking station,
that hard disk drive becomes HDD-2.
If you are using a
through a token-ring card or some other network card, do the
following:
1. Select Network and click on it. The “Speed” menu appears.
2. If you are using a token-ring card, select the speed you want
(4 or 16), and click on it; then press Enter.
If you are using a network card other than a token-ring card,
such as an Ethernet card, you need not specify the RPL
speed. Press Esc to exit this menu.
If you select PCMCIA, representing, for example, ATA-3 HDD or
a Flash memory card, and cannot start the system, disable the
secondary IDE device and restart the system. Some cards might
not be compatible with a CD-ROM or DVD-ROM drive.
The CDROM icon is assigned to the CD-ROM drive in the
UltraBay II. If you don't have a CD-ROM drive in the UltraBay II
but you have one in the docking station, that CD-ROM drive
becomes CDROM. If you have CD-ROM drives in both the
UltraBay II and the docking station, the CD-ROM drive in the
UltraBay II becomes CDROM.
remote program loading (RPL) system
24IBM ThinkPad 770X User's Reference
Functions of Your Computer
The Network submenu:
(This function can be used only with a docking station option.
You can enable or disable the Wake-on-LAN function.)
Reset
FDD-1FDD-2HDD-1HDD-2Network
CDROM
PCMCIAHDD-4HDD-3
If Wake on LAN is enabled, the network administrator can power
on remote machines connected in a LAN using remote
network-management software. Disable the function if your
computer is not under system management of a network
administrator.
For more information
User's Guide
.
“System Management” in the
Online
Pressing the Test button displays the “Test” submenu. It is used to
run diagnostic tests on your computer to check for hardware errors.
For more information “Testing Your Computer” on page 164.
Pressing the Restart button ends the Easy-Setup program and
restarts the computer.
Chapter 1. Getting Familiar with Your Computer25
Functions of Your Computer
ThinkPad Configuration Program
To get specific details about
ThinkPad Configuration program,
click on the Help button.
The ThinkPad Configuration program allows you to set up and
customize the computer's built-in devices to your needs. For
example, you can enable or disable a port, switch between your
computer's LCD and an external monitor, and set the power
management mode.
This section describes how to start the ThinkPad Configuration
program.
WIN
98
For Windows 98:
To start the ThinkPad Configuration program for Windows 98, do as
follows:
1. Click on Start ().
2. Move the cursor to Settings; then click on Control Panel.
The “Control Panel” window appears.
3. Double-click on the ThinkPad Configuration icon.
You can also start the ThinkPad Configuration program as
follows:
Click on Start (
ThinkPad; then click on ThinkPad Configuration.
Find the ThinkPad icon on the bottom right of the taskbar
1 ; then double-click on the icon.
), move the cursor to Programs, and
1
26IBM ThinkPad 770X User's Reference
Functions of Your Computer
The following window appears:
1
2
4
3
5
6
1The Display Device buttons. Click on one of these buttons to
set the display output type to the LCD, external monitor (CRT),
or both.
6
2The Power Scheme buttons change the preset power options.
3The Launch Device Manager button displays the “System
Properties” window, where you can make a device available or
unavailable.
4The Show Allocated Resources View button displays the
“Allocated Resources View” window, where you can check the
memory addresses and other allocation settings.
5The Help button displays online help.
6The Device buttons. Click on the button of your choice from
the window. If the device is enabled, the red indicator next to
the button is lit. Otherwise, it stays off.
Chapter 1. Getting Familiar with Your Computer27
Functions of Your Computer
WIN
NT
For Windows NT:
To start the ThinkPad Configuration program for Windows NT, do as
follows:
1
Click on Start at the bottom corner of the screen.
2
Move the cursor on Programs, ThinkPad; then click on
ThinkPad Configuration.
The following window appears:
1
2
3
4
5
6
7
9
1The One-Touch Setup buttons. Click on one of these buttons
to set the system configuration.
2The Power Mode buttons. Click on one of these buttons to set
the power mode to High Performance mode, Automatic mode,
or Customized mode.
28IBM ThinkPad 770X User's Reference
8
Functions of Your Computer
3The Display Device buttons. Click on one of these buttons to
set the display output type to the LCD, external monitor (CRT),
or both. When making a presentation, you can click on the
presentation button to disable any system timers, such as the
LCD turnoff timer or the power management mode timers.
4The Help button displays online help.
5The Exit button. Click on this button to save the changes
made and to exit from the ThinkPad Configuration window.
6The View Angle buttons. Click on the front view or rear view
button to display the hardware feature locations.
7The Default button. Click on this button to set the default
values for each option and to cancel the changes you just
made.
8The Status bar. The device name and its status appears in the
status bar when you place the cursor on a device button.
9The Device buttons. Click on the button of your choice from
the window; then set the options for that device from the
window that appears. If the device is enabled, the red indicator
next to the button is lit. Otherwise, it stays off.
Only the top portion of the window is displayed when you click on the
triangular minimize button in the top-right corner.
Chapter 1. Getting Familiar with Your Computer29
Functions of Your Computer
Online User's Guide
Your computer features an
Online User's Guide
, so that you will
always have key information at your fingertips even if you are
traveling. It contains the following information:
Basic:
– Using your computer outside your country
– Using audio and modem features
– Using your computer with a PC Card
– Using your computer with a battery pack
– Protecting your computer
– Frequently asked questions
Advanced:
– Resolving system resource conflicts
– Installing software
– Using system management
– Using PS2 commands
Information:
– Getting service
– Handling tips
– Glossary
To start the
Online User's Guide
, click on Start, move the cursor to
Programs and ThinkPad 770; then click on ThinkPad 770 User's
Guide.
The
Online User's Guide
appears. Go to the section you want, and
make a printout if necessary.
You can start the
Customization CD as follows:
1.
From the ThinkPad Customization Center main menu,
click on Online Library.
2.
Click on Click here to launch the Online User's Guide.
You can also access the
Web site.
Online User's Guide
Online User's Guide
from the ThinkPad
from the IBM
30IBM ThinkPad 770X User's Reference
UltraBay II
Functions of Your Computer
Your ThinkPad 770X computer has an UltraBay II.
UltraBay II
You can install one of the following devices in the UltraBay II:
CD-ROM drive
Diskette drive
DVD-ROM drive
Secondary hard disk drive (requires a secondary HDD adapter)
Secondary battery pack (requires a battery adapter)
For how to replace the UltraBay II device
UltraBay II Device” on page 90.
Chapter 1. Getting Familiar with Your Computer31
“Replacing an
Backing Up Your System
Backing Up Your System
To back up your system or reinstall the operating system, your
ThinkPad computer has the following features:
The ThinkPad Customization CD
The Recovery CD
The Diskette Factory program
ConfigSafe
The ThinkPad Web site or bulletin board
Using the ThinkPad Customization CD
The ThinkPad Customization CD is provided for your installation
convenience; you can customize your system using this CD. It
contains all the software applications and hardware device drivers for
your computer. It also contains device drivers and installation
instructions for other operating systems, such as Windows NT.
If you need to reinstall a software application or a hardware device
driver, put the ThinkPad Customization CD in your CD-ROM drive or
DVD-ROM drive. The menu of the features appears automatically.
The ThinkPad Customization CD is compatible with Internet
Explorer Version 4.0 or later. Some functions are available in
other Web browsers. See the instructions printed on the CD
label for more information.
The following features are included:
Getting Started
Use this page for first-time setup, such as registration and
ThinkPad personalization.
System Customization
Use this page for doing the following:
– Reinstalling a software application for Windows 98
– Reinstalling a hardware device driver for Windows 98
– Installing all hardware device drivers when installing
Windows 95
– Installing all hardware device drivers when installing
Windows NT
32IBM ThinkPad 770X User's Reference
News and Updates
This page has all of the latest tools and links to the IBM Web site
for system information, service and support information, and
other information.
Online Library
In case you do not have the
disk drive, you always have a copy on your ThinkPad
Customization CD.
Using the ThinkPad Customization CD
This page contains an overview of ThinkPad Customization CD.
Using the Recovery CD
If you accidentally erase your hard disk, you can use the Recovery
CD to restore the contents of the preinstalled hard disk to what it
was at the time of purchase.
Backing Up Your System
Online User's Guide
on your hard
This recovery program deletes all personal data and your
customized configuration settings. It resets your computer to
most of the factory-shipped default values. Be sure to back up
your personal files before you use this CD.
The Recovery CD package consists of a startable diskette and a
CD-ROM containing the original preinstalled image.
The recovery process might take up to 2 hours.
If you have a CD-ROM drive or DVD-ROM drive installed in your
computer's UltraBay II and you don't have an external diskette
drive attached, go to “Case 1” on page 34.
If you have a CD-ROM drive or DVD-ROM drive installed in your
computer's UltraBay II and you do have an external diskette
drive attached, go to “Case 2” on page 35.
If you have a diskette drive installed in your computer's UltraBay
II, replace it with the CD-ROM drive or DVD-ROM drive (see
“Replacing an UltraBay II Device” on page 90). Then go to
“Case 1” on page 34.
Chapter 1. Getting Familiar with Your Computer33
Backing Up Your System
Case 1:
CD function is enabled. To use the Recovery CD, enable this
function; then recover the system:
1
2
3
4
5
6
7
Your computer supports startable CDs when the startable
Power off the computer.
Insert the Recovery CD into the CD-ROM drive or
DVD-ROM drive.
Power on your computer while pressing and holding the
F1 key.
Hold the F1 key until the Easy-Setup window appears.
Click on Start up.
Click on Power-on.
Note the current setting of the startup sequence so that you
can set it again after you finish the recovery (in step 18).
Click on Reset.
Click on CDROM.
8
Click on OK.
9
Click on Exit.
The startable CD-ROM function is enabled.
10
Click on Restart and then OK.
The computer restarts.
11
Follow the instructions on the screen.
12
When a completion message appears, remove the
Recovery CD from the CD-ROM drive or DVD-ROM
drive.
13
Power off the computer.
34IBM ThinkPad 770X User's Reference
Backing Up Your System
14
Power on your computer while pressing and holding the
F1 key.
Hold the F1 key until the Easy-Setup window appears.
15
Click on Start up.
16
Click on Power-on.
17
Click on Reset.
18
Specify the startup sequence that you noted in step 5,
and click on OK.
19
Click on Exit.
20
Click on Restart and then OK.
Your computer restarts with the preinstalled configuration.
Case 2
1
Power off the computer.
2
Insert the Recovery CD Boot Diskette in the diskette
drive.
3
Power on your computer.
4
Insert the Recovery CD into the CD-ROM or DVD-ROM
drive.
5
Follow the instructions on the screen.
The recovery program on the boot diskette includes drivers to
support many devices such as the external CD-ROM drive,
docking station, and hard disk drive. Choose an appropriate
option. You are prompted if user intervention is required.
6
When a completion message appears, remove the
Recovery CD Boot diskette from the diskette drive.
Chapter 1. Getting Familiar with Your Computer35
Backing Up Your System
Using the Diskette Factory
7
Press Restart.
Your computer restarts with the preinstalled configuration.
The Diskette Factory program contains all the hardware device
drivers for your computer in the Windows 95, Windows 98, and
Windows NT environment.
For the device drivers for Windows 3.1, OS/2, and DOS
http://www.ibm.com/thinkpad
To recover a particular device driver or utility program, create the
backup diskettes for it with the Diskette Factory; then reinstall it. To
create the backup diskettes, do the following:
1
Click on Start.
2
Move the cursor to Programs and ThinkPad 770; then
click on Diskette Factory.
3
Click on the tab at the top corresponding to the operating
system you are using.
4
Click on the diskette group for the backup copy that you
want to make.
1. You can select more than one group by clicking while
pressing Ctrl.
2. The number of the diskettes required is shown beside the
diskette group. You do not need to use a blank diskette; the
Diskette Factory prompts you to reformat diskettes that are
not blank.
5
Click on Build.
6
Follow the instructions on the screen.
For details on how to install software, including a new
operating system and device drivers
Online User's Guide
36IBM ThinkPad 770X User's Reference
.
“Advanced” in the
Backing Up Your System
Using ConfigSafe
ConfigSafe is an application program for Windows 98, Windows 95,
or Windows NT that periodically takes
files. If your computer does not operate properly after you install a
new device driver or software, use ConfigSafe to restore the last
working version of your system files. Although it might not make
your new hardware or software work, it will set your computer up and
running again. This application protects your data.
snapshots
Using the ThinkPad Web Site or Bulletin Board
IBM supplies all of the latest hardware device drivers and system
BIOS for your computer on the ThinkPad Web site:
http://www.ibm.com/thinkpad
You can also use the IBM bulletin board service.
of your system
For more information about electronic service and support
Online User's Guide
.
Chapter 1. Getting Familiar with Your Computer37
Replacing the Battery Pack
Replacing the Battery Pack
To replace the battery pack, do as follows:
1
Power off your computer; then disconnect the AC
Adapter and all cables from the computer.
2
Slide the left release latch to the left 1 and gently lift up
the bay eject lever 2 and pull out the battery pack 3 .
You can use only one eject lever at a time. When opening an
eject lever, make sure that the other eject lever is closed.
38IBM ThinkPad 770X User's Reference
Replacing the Battery Pack
3
Insert the new battery pack until it snaps into place.
Make sure you align the slanted edge of the battery pack with
the slant on the battery bay.
4
Push in the bay eject lever until it is flush.
You have finished replacing the battery pack.
You can replace the battery when the computer is in
hibernation mode or when it is powered off. If you are using
a PC Card, the computer might not be able to enter
hibernation mode. If this happens, power off the computer.
To switch from the main battery to the secondary battery
“Installing the Secondary Battery Pack” on page 95.
Chapter 1. Getting Familiar with Your Computer39
Replacing the Battery Pack
Replacing the Backup Battery
This section explains how to replace the backup 3-volts lithium
battery (CR2025) in the bottom compartment.
1
Power off the computer; then disconnect the AC Adapter
and all cables from the computer.
2
Turn the computer over.
3
Open the bottom compartment with a screwdriver1
and remove the bottom cover 2 .
1
2
40IBM ThinkPad 770X User's Reference
Replacing the Battery Pack
4
Find the old backup battery in the bottom compartment
and remove it from the battery holder by pushing it in
3 ; then the one side of the battery pops up 4 .
Remove the battery after it pops up from the battery holder.
Forcing the battery out will damage the holder.
$
$plus mark (+) is shown.
5
Install a new backup battery facing up the side on which
6
Replace the bottom cover, and turn the computer over
again.
7
Connect the AC Adapter to the computer.
You have finished replacing the backup battery.
Chapter 1. Getting Familiar with Your Computer41
Getting Service
Getting Service
Purchasing an IBM PC hardware product entitles you to receive
support and services during the limited warranty period. If you need
additional support and services, a wide variety of extended solutions
that addresses most needs are available for purchase.
About Your Warranty
During the warranty period, you might be responsible for repair
costs if the product damage was due to misuse, accident,
modification, unsuitable physical or operating environment, or
improper maintenance.
For full information on product warranties, see Appendix B.
You will need to know the following information when requesting
repair service:
Identification number of your computer
Options installed in your system
Note: Use the record sheet on page 44.
Error message or problem
Note: Error messages can help identify which service action is
required and help the service representative provide quick
and efficient service.
Use the record sheet on page 45.
Help at the ThinkPad Web Site
You can get support and information at the ThinkPad Web site.
The latest information about the ThinkPad computers
http://www.ibm.com/thinkpad
Technical support information
http://www.pc.ibm.com/support
IBM may make improvements or changes to these Web sites at any
time without any notice.
42IBM ThinkPad 770X User's Reference
Help by Telephone
You can get support and information by telephone during the limited
warranty period at no additional charge, through the IBM PC Help
Center. Experienced technical-support representatives will be on
hand to assist you in answering any questions you might have, such
as:
Please have the following information ready when you call:
Getting Service
How to set up your computer
How to install and set up your IBM options purchased directly
from IBM or through an IBM reseller
How to use the 30-day support for the preinstalled operating
system
How to get service
How to get overnight shipment of customer-replaceable parts
Serial number of your computer and proof of purchase
Description of the problem
Exact wording of the error message
Hardware and software configuration information for your system
If possible, be at your computer when you call:
In the U.S. and Puerto Rico, call 1-800-772-2227.
In Canada, call 1-800-565-3344.
These lines are available 24 hours a day, 7 days a week. The
answering technical-support representative can also fax or mail
you technical or product information, such as:
Product brochures
Location of IBM resellers
Services available from IBM
For more information
Chapter 1. Getting Familiar with Your Computer43
Online User's Guide
Getting Service
Recording Sheet
Option List
Fill out the following list with the items which correspond with the
features of your computer. If you have two or more devices, note
each of them. For example, if you have two DIMMs, put the check
mark to the DIMM check box; then note “128 MB x 2.”
DIMM _____MB
Hard Disk Drive _____MB
External Diskette Drive
DVD/CD-ROM Drive
PC Cards
Battery Pack
Identification Numbers
The serial number label is on the bottom of your computer. Write
down the machine Type and the serial number (S/N) in the following
box:
IBM Product NameThinkPad 770X
Machine Type9549-
Serial Number
To determine your computer's serial number
page 6.
44IBM ThinkPad 770X User's Reference
Getting Service
Problem Recording Sheet
Computer information:
Machine type:_________
Serial number:_________
Date of purchase:___/___/___
Type of problem:
Continuous problem Intermittent problem
Error code:
The operating system and its version number, if available:
Windows 98 Version______ Windows 3.1 Version______
Windows 95 Version______ OS/2 Version______
Windows NT Version______ DOS Version______
Application programs running at the time of the problem:
Problem symptom:
Describe the problem specifically:
Can the problem be reproduced?
YesNo
If yes, describe how it can be reproduced:
Chapter 1. Getting Familiar with Your Computer
45
Getting Service
46IBM ThinkPad 770X User's Reference
This chapter provides information about how to customize and
extend the ThinkPad features. You can use your computer with
external devices and increase its memory.
Customizing the TrackPoint..................... 49
You can customize the TrackPoint by doing the following:
1
Open the ThinkPad Configuration program.
2
Click on the TrackPoint button ().
3
Click on TrackPoint Properties....
The “TrackPoint Properties” window appears:
You can set the following features in this window:
Press-to-Select
Sensitivity
Setting Press-to-Select
Customizing the TrackPoint
Scrolling or Magnifying Glass
If you enable Press-to-Select by putting a check mark in the EnablePress-to-Select box, you can make the TrackPoint stick function the
same as the left or right click button.
If you check Enable dragging, you can drag the icon that you
select with the TrackPoint stick by putting light pressure on the
stick.
Chapter 2. Extending the Features of Your Computer49
Customizing the TrackPoint
If you check Enable Release-to-Select, you can click simply by
lifting your finger quickly off the TrackPoint. Moving the cursor
onto an icon and then lifting your finger off the TrackPoint works
like clicking. Pressing the TrackPoint again works like
double-clicking.
Click on one of the Press means radio buttons to select which
button the stick will simulate: either the left or the right button.
For example, if you select Left Click, you can start a program
with the TrackPoint by putting the cursor on the program's icon
and applying light pressure on the stick.
To adjust the pressing timing of the stick, set Click Pace.
If you set the pace too slow, you might notice unintended clicks,
a cursor delay, or a dragging delay. However, if you set the
pace too fast, you might find Press-to-Select hard to use.
50IBM ThinkPad 770X User's Reference
Setting Sensitivity
Customizing the TrackPoint
This function adjusts the force required for both cursor movement
and Press-to-Select. Slide toward Firm Touch to increase the force
needed to move the cursor and to activate Press-to-Select. Slide
toward Light Touch to decrease the force needed to move the
cursor and to activate Press-to-Select.
Chapter 2. Extending the Features of Your Computer51
Customizing the TrackPoint
Setting Scrolling or Magnifying Glass
By clicking on the Scrolling tab, you can set the scrolling properties
of your TrackPoint.
Choose Scrolling or the Magnifying Glass Function
Select one of the following radio buttons:
– Scrolling
This function enables you to navigate easily through long
documents or large spreadsheets with the press of a button.
To scroll, press the center click button and then use the
TrackPoint instead of the scroll bars.
– Magnifying Glass
This function enables you to enlarge a movable area of your
display. You can click on objects “through” the magnifying
glass. The right click button changes the size of the
magnifying glass, and the left click button changes its
magnifying power. You can press the center click button and
then use the TrackPoint to move the magnified area.
52IBM ThinkPad 770X User's Reference
Customizing the TrackPoint
– Neither
This function disables the scrolling and magnifying glass
functions.
Choose Scrolling Method
Select one of the following radio buttons:
– Press Center Button, then use TrackPoint
This option enables you to hold down the center click button
and then use the TrackPoint to control the scrolling or the
magnifying glass. When you are not holding down the
center button, the TrackPoint operates normally; that is, it
controls the mouse cursor.
– Use External Mouse
This option sets an externally attached mouse to scroll (or
move the magnifying glass) horizontally or vertically. The
TrackPoint functions simply as a cursor.
– Use TrackPoint
This option sets the TrackPoint to scroll horizontally or
vertically without your holding down the center button. Use
an externally attached mouse as a cursor.
You can still use the TrackPoint to control the mouse cursor
by pressing the center button.
The Use External Mouse and the Use TrackPoint radio buttons
are enabled only if a mouse is attached.
Chapter 2. Extending the Features of Your Computer53
Increasing Memory
Increasing Memory
Increasing memory capacity is an effective way to make programs
run faster. You can increase the amount of memory in your
computer by installing a
available as an option.
Different capacities of DIMMs are available. You can install a DIMM
directly in one of the memory slots on the bottom of the computer.
Your computer memory capacity can be expanded up to 320 MB
(64-MB base memory and two 128-MB DIMM options). If your
computer is equipped with 128-MB base memory, install two 128-MB
DIMM options after removing the 64-MB DIMM option that had been
installed at the time of purchase.
dual inline memory module (DIMM)
,
The ThinkPad 770X computer supports the synchronus dynamic
random access memory (SDRAM) card only. It does not support
the enhanced data output dynamic random access memory
(EDO DRAM) card. If you install a DIMM that is not supported
by your computer, a 225 error code might appear when the
system starts. The appropriate memory option can be purchased
through your IBM reseller or IBM marketing representative.
54IBM ThinkPad 770X User's Reference
Installing the DIMM
To avoid damaging the DIMM, do
not touch its contact edge.
Increasing Memory
To install the DIMM, do the following:
1
Power off the computer; then disconnect the AC Adapter
and all cables from the computer.
2
Remove the battery pack.
3
Close the LCD, and turn the computer over.
4
Loosen the screw on the memory slot cover 1 ; then
remove the cover 2 .
1
2
5
Find the notch on the side of the DIMM.
Chapter 2. Extending the Features of Your Computer55
Increasing Memory
6
With the notched end of the DIMM toward the right side
of the socket, insert the DIMM, at an angle of
approximately 20°, into the socket; then press it firmly
1 .
7
Pivot the DIMM until it snaps into place 2 .
If you want to install two DIMMs, repeat steps 5 through 7.
Notch
1
2
2
8
Replace the memory slot cover over the memory slot,
aligning the back side of the cover first as shown; then
tighten the screw.
9
Turn the computer over again.
10
Replace the battery pack and power on the computer.
11
Confirm that the new memory size appears at the upper
left corner of the screen.
1
56IBM ThinkPad 770X User's Reference
Increasing Memory
For example, if you install a 32-MB DIMM to 64-MB base memory
model into your computer, you should see the following. (See the
next page for how to calculate the total memory size.)
97728 KB OK
You have finished installing the DIMM. Reconnect all cables.
1. For the following status, power off the computer and reinstall
the DIMM and do the memory test with Easy-Setup (see
“Testing Your Computer” on page 164).
If a 21 error code appears under the memory count.
48576 KB OK
2 1
If the total memory size is not the same as the value you
calculated.
If the 225 error code appears, the memory you are installing
is not supported by your computer.
2. If you changed the memory installed in the computer, you
need to create a new hibernation file as follows:
a) Power off the computer.
b) Remove the DIMM you added.
c) Power on the computer and disable hibernation mode.
d) Add the DIMM.
e) Enable hibernation mode.
To disable and enable hibernation mode
the
Online User's Guide
Chapter 2. Extending the Features of Your Computer57
.
“Basic” in
Increasing Memory
Removing the DIMM
How to Calculate Total Memory Size
Calculate your total memory size in kilobytes (KB) by adding the
DIMM memory size to the base memory size (32192 KB).
For example, if you installed a 32-MB DIMM into your computer
with 64-MB base memory, you should have about 96 MB.
Your computer might display memory size in kilobytes. For
example, 96 MB=97728 KB.
Note: 576 KB is reserved by the system.
1
Power off the computer and disconnect the AC Adapter
and all cables from the computer.
2
Remove the battery pack.
3
Close the LCD, and turn the computer over.
4
Loosen the screw and remove the memory slot cover.
58IBM ThinkPad 770X User's Reference
Increasing Memory
5
Press out on the latches on both edges of the socket at
the same time.
6
Remove the DIMM.
Be sure to save the DIMM for future use.
7
Replace the memory slot cover; then tighten the screw.
8
Turn the computer over again.
9
Replace the battery pack; then connect the AC Adapter
and all the cables you disconnected.
Chapter 2. Extending the Features of Your Computer59
Upgrading the Hard Disk Drive
Upgrading the Hard Disk Drive
You can increase the storage capacity of your computer by replacing
the original, built-in hard disk drive with an optional one. You can
purchase the option from your IBM reseller or IBM marketing
representative.
Replace the hard disk drive only if you upgrade it or have it
repaired. You should not replace it often.
Do not drop or apply any shock.
Do not apply pressure to the cover.
Do not touch the connector.
The drive is very sensitive. Incorrect handling can cause
damage and permanent loss of data on the hard disk. Before
removing the hard disk drive, make a backup copy of all the
information on the hard disk. Never remove the drive while the
system is operating, in suspend mode, or in hibernation mode.
Handling a Hard Disk Drive
To replace the hard disk drive, do the following:
1
Power off the computer; then disconnect the AC Adapter
and all cables from the computer.
2
Remove the battery pack ( “Replacing the Battery
Pack” on page 38), and turn the computer over.
60IBM ThinkPad 770X User's Reference
Upgrading the Hard Disk Drive
3
Remove the coin screw by rotating it counterclockwise
with a coin, as shown 1 , slide the latch 2 ; then
remove the hard disk drive cover 3 .
1
3
You can replace the coin screw with the security screw shipped
with your computer. With the security screw installed, the hard
disk drive in your computer cannot be removed easily. To
remove or tighten the security screw, use a 2.5-mm allen
wrench.
2
4
Pull the strap of the hard disk drive to remove it.
Chapter 2. Extending the Features of Your Computer61
Upgrading the Hard Disk Drive
5
Insert the new hard disk drive into the bay. Make sure
you connect the drive firmly.
Do not use force when inserting the hard disk drive into the bay.
The connector is sensitive, and it might get damaged.
6
Replace the hard disk drive cover; then reinstall the
screw, and turn the computer over again.
7
Replace the battery pack, and power it on.
After removing the original hard disk drive, store it in the carrying
case that contained the replacement drive.
62IBM ThinkPad 770X User's Reference
Attaching the External Diskette Drive
You can connect your external diskette drive to the
external-diskette-drive connector. To attach it, do as follows:
1
Power off your computer.
2
Open the connector cover on the rear side of the
computer.
3
Attach the cable first to the external diskette drive1 ;
then attach it to the external-diskette-drive connector on
the computer 2 .
Attaching the External Diskette Drive
Chapter 2. Extending the Features of Your Computer63
Attaching the External Diskette Drive
To detach the external diskette drive, push the connector lock on
both sides 1 ; then disconnect the cable from the connector 2 .
64IBM ThinkPad 770X User's Reference
Attaching External Mouse, Keypad, and Keyboard
Attaching an External Mouse, Keypad, and Keyboard
This section explains how to attach an external mouse, external
numeric keypad, and external keyboard to your computer.
Attaching an External Mouse or Numeric Keypad
You can attach an external mouse or numeric keypad to the
external-input-device connector ( ) on the rear of the computer.
MouseNumeric Keypad
If you want to attach the mouse, attach it directly to the
external-input-device connector as shown:
Chapter 2. Extending the Features of Your Computer65
Attaching External Mouse, Keypad, and Keyboard
If you want to use both the external numeric keypad and mouse at
the same time, first connect the keypad cable to the computer 1 ;
then connect the mouse cable 2 to the connector at the rear of the
You can use both the IBM PS/2
keypad.
Miniature Mouse and the
TrackPoint as an input device.
To connect a mouse other than
an IBM PS/2 Miniature Mouse
“Disabling the TrackPoint”
on page 69.
1
2
You can remove the keypad cover and use it as a stand for the
keypad.
66IBM ThinkPad 770X User's Reference
Attaching External Mouse, Keypad, and Keyboard
Attaching an External Keyboard and Mouse
MouseExternal Keyboard
If you want to attach an external keyboard to your computer, do the
one of the following:
Use the optional keyboard/mouse cable.
Use an optional port replicator.
The external keyboard will not work if it is connected directly to
the computer's external-input-device connector.
See the
details about the options.
When the external keyboard is attached, the following keys are not
available:
Instead, use the numeric keypad on the external keyboard.
Options by IBM Catalog
Numeric keypad on the computer keyboard
External numeric keypad
supplied with your computer for
Chapter 2. Extending the Features of Your Computer67
Attaching External Mouse, Keypad, and Keyboard
To attach the external keyboard, power off the computer, attach the
keyboard to the keyboard connector of the keyboard/mouse cable
1 , and then attach the keyboard/mouse cable to the computer 2 .
You can attach a mouse to the mouse connector of the
keyboard/mouse cable.
Using the IBM ThinkPad Space Saver Keyboard
If you are using the IBM ThinkPad Space Saver Keyboard,
not
install the device driver supplied with the keyboard. The
device driver on the computer's utility diskette automatically
enables or disables the TrackPoint when the power to the
computer is turned on.
68IBM ThinkPad 770X User's Reference
do
Disabling the TrackPoint
The TrackPoint is designed to work simultaneously with another
pointing device (such as a mouse) attached to the system. But
some mouse types require the TrackPoint to be disabled before you
can use them, such as:
A mouse that is not fully compatible with the PS/2 mouse
connected to the external-input-device connector
A mouse connected to the serial connector
A mouse connected to the USB connector
To disable the TrackPoint:
1
Start the ThinkPad Configuration program.
See “ThinkPad Configuration Program” on page 26.
2
Click on the TrackPoint () button.
3
Click on Auto-Disable for the TrackPoint.
Attaching External Mouse, Keypad, and Keyboard
$This setting automatically disables the TrackPoint if a mouse is
$connected to the external-input-device connector when the
$computer starts. If no external mouse is connected, however,
$the TrackPoint is enabled. Therefore, to reenable the
$TrackPoint if it has been disabled, restart the computer after
$disconnecting a mouse.
If you use a mouse connected to the serial connector or the USB
connector, you need to select Disable, instead of Auto-Disable.
Chapter 2. Extending the Features of Your Computer69
Attaching an External Monitor
Attaching an External Monitor
This section provides information about using the computer LCD and
an external monitor (CRT). It also provides considerations when
using DOS applications.
The LCD of your computer uses thin-film transistor (
The LCD displays output with XGA (1024x768) or SXGA
(1280x1024) resolution video mode and 16M colors.
If you are attaching an external monitor (CRT) that supports a
resolution higher than VGA mode, you can achieve a maximum of
1600x1200 video resolution.
To attach an external monitor, do the following:
1
Power off the computer.
2
Connect the external monitor to the external-monitor
connector (
the monitor to an electrical outlet.
3
Power on the monitor and the computer.
4
Start the ThinkPad Configuration program.
See “ThinkPad Configuration Program” on page 26.
5
Change the display output location by clicking on the
) at the rear of the computer; then connect
TFT
) technology.
Both LCD and CRT Display (
Display Only (
left
of the screen; with Windows NT, a little to the
the top center
70IBM ThinkPad 770X User's Reference
) button (with Windows 98, at the
of the screen).
) button or the CRT
top
right of
Attaching an External Monitor
Do not change the display output location when your
computer id doing any of the following:
– Playing or recording audio
– Playing a movie
– Playing a game
– Running any other multimedia application
Stop these applications before changing the display output
location.
If you are attaching an external monitor that does not support
TFT resolution with TFT frame rate, do
LCD and CRT Display. Doing so would cause the external
monitor screen to be scrambled and output also not to be
displayed; in addition, the screen might become damaged.
Use CRT Display Only instead.
not
click on Both
You can also change the display output location by pressing
Fn+F7.
6
Set your monitor type and display device driver as
follows.
For more information
Frame Rates” on page 72.
a)
Click on the Start.
b)
Move the cursor to Settings and Control Panel; and then
click on Control Panel.
c)
Double-click on Display.
d)
Select the Settings tab.
e)
Click on the Advanced... button.
f)
Click on the Monitor tab.
Chapter 2. Extending the Features of Your Computer71
“Resolutions, Color Depths, and
Attaching an External Monitor
g)
Click on the Change... button.
The “Update Device Driver Wizard” window appears.
Follow the instructions on the screen to select your monitor
type from the monitor list, and click on a new resolution,
color depth and refresh rate.
7
Restart the computer to make the changes effective.
Do not disconnect the external monitor while the computer
is in suspend mode or hibernation mode. If no external
monitor is attached when the computer resumes, the LCD
remains blank and output is not displayed. This restriction
does not depend on the resolution value.
Resolutions, Color Depths, and Frame Rates:
following tables show the resolutions, color depths, and frame rates
available with your computer or external monitor. Use these tables
to set the display output (LCD Only, CRT Display Only, or BothLCD and CRT Display).
When installing an operating system, you must install the display
driver supplied with the computer to use SVGA or higher mode.
The
72IBM ThinkPad 770X User's Reference
Attaching an External Monitor
Displaying output on the LCD, or on both the LCD and the
external monitor (LCD Only or Both LCD and CRT Display).
ResolutionSupported Color Depth
640x480 (VGA)256, 64K, and 16M*
800x600 (SVGA)256, 64K, and 16M*
1024x768 (XGA)256, 64K, and 16M*
1280x1024 (SXGA support
model only)256, and 64K
$Note: Video overlay, capture, and MPEG playback functions do not
$work under the video modes which are marked by the asterisk (*).
Displaying output only on the external monitor (CRT Display
Only)
Supported Color
Resolution
640x480 (VGA)256, 64K, and 16M
800x600 (SVGA)256, 64K, and 16M
1024x768 (XGA)256, 64K, and 16M*
1280x1024
(SXGA)256, and 64K
1600x1200256, and 64K96iHz*
$Note: Video overlay, capture, and MPEG playback functions do not
$work under the video modes which are marked by the asterisk (*).
DepthFrame Rate
60 Hz, 72 Hz, 75 Hz,
and 85 Hz
60 Hz, 75 Hz, and
85 Hz
60 Hz, 70 Hz, 75 Hz,
85 Hz, and 87iHz
60 Hz, 75 Hz, 85 Hz*,
and 87iHz
If you are using an old external monitor, the resolution and
refresh rate might be limited.
Chapter 2. Extending the Features of Your Computer73
Attaching an External Monitor
Using the Dual Display Function
Windows 98 supports a function named
your computer supports a function called
Windows 98 environment. This function allows the Windows 98
desktop to display output on the LCD-CRT display pair or (if your
computer has a video-out connector) LCD-TV display pair. You can
display the different desktop images on each monitor.
Attaching a television to your computer:
To attach a television (NTSC or PAL), you need to install a DVD
and Enhanced Video Adapter (option) to your computer. For
more information
To enable the dual display, do as follows:
If you attach the computer to a television, follow the instructions
to enable it before doing the following
Multi-Display Function on a Television” on page 75.
1
Attach an external monitor (CRT) to your computer.
IBM option manual.
Multiple Display Support
Dual Display
in the
“Enabling the
and
2
Click on Start.
3
Move the cursor to Settings and Control Panel; and
then click on Control Panel.
4
Double-click on Display.
5
Select the Settings tab.
6
Click on the Monitor-2 icon in the window.
The “Monitor #2” window appears.
7
Click on Yes to enable the monitor-2.
You can select the color depths and resolutions for each
monitors.
8
Click on the Monitor-1 icon (for the secondary display,
the CRT or TV).
74IBM ThinkPad 770X User's Reference
Attaching an External Monitor
9
Select the color depth and the resolution of the
secondary display.
10
Click on the Monitor-2 icon (for the primary display, the
LCD).
11
Select the color depth and resolution of the primary
display.
12
Set the relative position of the each monitor by dragging
its icon.
You can set the monitors in any relative position, but the icons
must touch each other.
13
Click on OK to apply the changes.
Enabling the Multi-Display Function on a Television
1
Attach a television (NTSC or PAL) to the video-out
connector of your computer.
2
Click on Start.
3
Move the cursor to Settings and Control Panel; and
then click on Control Panel.
4
Double-click on Display.
5
Select the Settings tab.
6
Double-click on the Monitor-1 icon in the window.
7
Click on the Display Device tab.
8
Select either NTSC or PAL from the “TV Standard” field.
9
Click on the LCD+TV button.
10
Click on OK to apply changes.
Chapter 2. Extending the Features of Your Computer75
Attaching an External Monitor
How to Disabling the Dual Display
11
Click on OK to close the window.
After you enable the multi-display function on a television, follow the
instructions for enabling the dual display function on page 74.
1
Click on Start
2
Move the cursor to Settings and Control Panel; and
then click on Control Panel.
3
Double-click on Display.
4
Select the Settings tab.
5
Click on the Monitor-2 icon.
6
Remove the check mark from the Extend my Windows
desktop onto this monitor check box.
The secondary monitor (monitor-2) is disabled, and the settings
are in the ready-to-use condition.
The primary display is either a CRT or a television and the
secondary display is the LCD of your computer.
You cannot set dual display if you specify the LCD to a
1280x1024 resolution and 16M colors for color depth.
The followings are the settings that you are
Any resolution, 16M
Any resolution, 16M
You need to enable the television setting every time you start
your computer to use this function with the television.
not
supported:.
76IBM ThinkPad 770X User's Reference
Attaching an External Monitor
If you want to show DOS full screen, only primary CRT or TV
becomes DOS full screen modes, secondary (LCD) becomes
blank.
If you play the video clip (AVI or MPEG file) on the CRT or TV,
the image is in overlay mode. On the other hand, on the LCD,
the playback will be a software drawing.
An application using the DirectDraw or the Direct3D is shown
only on the primary display (LCD) when it is played with full
screen mode.
You cannot use the Fn+F7 (display switching) function and
Fn+F8 (screen expansion) when you are in the dual display
mode.
DVD movie cannot be played back if you use the dual display
function. To playback it, disable the function before playing back
a DVD movie.
Disable the dual display function before you disconnect a CRT or
a television.
1024x768, 256 or 64K
1280x1024, 2561280x1024, 256 or 64K
1280x1024, 64K1024x768, 64K
1280x1024,256
Chapter 2. Extending the Features of Your Computer77
Installing a PC Card
Installing a PC Card
This section describes how to install a PC Card.
Your computer has two PC Card slots (upper slot and lower slot)
and supports the following types of cards:
Do not insert a PC Card while
the computer is in suspend mode
or hibernation mode. Otherwise,
the system might hang.
PC Card (Type I, Type II, and Type III)
CardBus Card
Zoomed Video (ZV)
1
Find the notched edge 1 of the PC Card as shown.
2
Insert the PC Card into the appropriate slot according to
your PC Card type.
If you are using a Type I or Type II PC Card, insert it into
either the upper slot or the lower slot.
If you are using a Type III PC Card, insert the card into the
lower slot.
78IBM ThinkPad 770X User's Reference
Installing a PC Card
3
Press the PC Card firmly into the connector.
For Windows 98:
If you have not installed the PC Card driver, Windows 98
starts to install it.
For Windows NT:
Your computer has PC Card support software called
CardWizard. You can use the PC Card as soon as you
insert the card into the computer. The “SystemSoft
CardWizard” window appears and informs you about the new
card.
You have completed setting up the PC Card, and you can now use
it. For information on how to use the PC Card software
in the
Online User's Guide
Chapter 2. Extending the Features of Your Computer79
.
“Basic”
Installing a PC Card
Removing the PC Card
Do not remove a PC Card while
the computer is in suspend mode
or hibernation mode. Otherwise,
the system might hang when
resuming.
Before removing storage PC Cards, such as the hard disk PC Card,
Flash memory PC Card, or SRAM PC Card, from the PC Card slot,
you must stop
might be corrupted or lost.
1
Stop the card.
To stop the PC Card “Basic” in the
2
Press the PC Card eject button to pop out the button.
the PC Card. Otherwise, data on the PC Card
Online User's Guide
The Stop option appears in gray when you are in CardSoft
mode or when the card is already stopped.
Then press it again until the PC Card pops out.
3
Remove the PC Card and store it safely for future use.
.
For more information for using a PC Card
User's Guide
80IBM ThinkPad 770X User's Reference
.
“Basic” in the
Online
Using a Docking Station
You can extend the capabilities of your computer by attaching it first
to the SelectaBase 770 port replicator and a docking station.
Then you can attach (dock) the computer–port replicator
–combination to one of the following docking stations:
Using a Docking Station
The port replicator, available as an option, is a convenient way to
attach several input devices and an external monitor. Of course,
you can also attach these devices directly to your computer.
SelectaBase 770
(Port Replicator)
SelectaDock ISelectaDock IISelectaDock III
PC Card EnablerPC Card Enabler with Advanced EtherJet Feature
You can dock your computer to a docking station under the following
conditions:
With your computer powered off (
With your computer in suspend mode (
With your computer operating (
Chapter 2. Extending the Features of Your Computer81
cold docking
warm docking
hot docking
)
)
)
Using a Docking Station
Docking with Your Computer Powered Off (Cold Docking)
Depending on the hardware configuration or the operating
system, warm docking or hot docking might not be
supported. Refer to the user's guide shipped with these
docking stations or a port replicator for instructions on how to
dock your computer to a docking station.
You might not be able to read the status indicator or access
the UltraBay II easily on the SelectaDock I docking station
after you dock it with the SelectaBase 770 port replicator.
In the Windows 95, Windows NT, Windows 3.1, or DOS
environment, you need to install the PC Card support
software
If you have already installed the PC Card support software,
uninstall it and then reinstall it after you dock your computer
to the docking station.
after
docking your computer to the docking station.
You should dock with both your computer and your docking station
powered off if:
It is the first time you are docking your computer to the docking
station.
Or:
You have changed the device configuration of your docking
station, such as when you have installed or removed a device.
Cold docking resets the docking station's device status recorded on
your computer. Thereafter, you can dock your computer with the
docking station at any time.
To dock the computer for the first time, do the following:
1
Install new devices in the docking station.
$
$If you use a SelectaDock I or SelectaDock II docking station,
$connect the AC Adapter to both a docking station and a
$SelectaBase 770 port replicator.
$If you use a SelectaDock III docking station, connect the AC
$Adapter to a docking station.
2
Connect the AC Adapter.
82IBM ThinkPad 770X User's Reference
Using a Docking Station
$If you use a PC Card Enabler or PC Card Enabler with
$Advanced EtherJet Feature, connect the AC Adapter to the
$SelectaBase 770 port replicator.
3
Dock your computer to the docking station.
See the user's guide shipped with the docking station for how
to dock your computer to it. If you use the SelectaDock I,
SelectaDock II, or SelectaDock III docking station, the docked
status appears on the docking station status indicator,
showing that the computer is properly docked.
4
Power on the computer.
Windows 98 or Windows 95 begins to check the status of the
docking station and restarts a couple of times. Follow the
instructions that appear on the screen.
During this operation, Windows 98 or Windows 95 creates a
configuration profile for the docking station with the name
X
.
Dock
X
can be any number from 1 to 3.
The message “Version Conflict” might appear on the screen.
Answer Yes to the prompt “Do you want to keep this file?”
5
In Windows 98 or Windows 95, select My Computer,
Control Panel, System, and then the Hardware Profile
tab.
6
Make sure the new profile, Dock X, is created. Also,
select the Device Manager tab and make sure that the
new devices are displayed in the device list.
If Dock X is not created, repeat from step 1.
If the symbol “!” or “x” appears next to the device symbol, a
resource conflict might have occurred. Resolve the problem by
referring to "Resolving System Resource Conflicts" in the
Online User's Guide
After the new hardware profile Dock X is created, you can dock or
undock your computer to the docking station while power is on.
.
Chapter 2. Extending the Features of Your Computer83
Using a Docking Station
Undocking When Your Computer Is Powered On or in Suspend
Mode (Hot or Warm Undocking)
If your computer does not enter suspend mode while it is docked
in the docking station, do the following:
1. Start the ThinkPad Configuration program.
2. Click on the Power Management (
) button.
3. Click on the Suspend/Resume Options tab.
4. Put a check mark in the Suspend/hibernate while docked
check box by clicking on it.
Your computer can now enter suspend mode while docked.
To undock your computer from the docking station when the
computer is operating (
suspend mode (
1
Select Start in Windows 98 or Windows 95, and then
warm undocking
hot undocking
), do the following:
) or when the computer is in
Eject PC. The LCD screen on your computer powers off
and on.
Preloaded Applications
ThinkPad Information
ThinkPad Tools
Programs
Documents
Settings
Find
Help
RUN...
Suspend
Eject PC
Shut Down...
84IBM ThinkPad 770X User's Reference
Using a Docking Station
Or:
Turn the security key of the docking station to the eject
position and release the key.
An eject request is made to the operating system. It might
take some time for this eject operation to end.
To see if the eject operation is complete, click on Start again
and see if the Eject PC icon still appears. If the icon still
appears, wait until it disappears.
2
When you hear a beep, turn the security key to the rear
again. Now you can eject your computer from the
docking station.
If the operating system rejects the eject request, a message
appears on the screen. If this happens, try
Presetting a Device to Avoid a Resource Conflict
The Windows 98 or Windows 95 plug-and-play function enables you
to use devices that you install in the docking station immediately
after you power on your system. If you cannot use them, a system
resource conflict might have occurred. Do the following to resolve
the conflict:
cold undocking
.
For a PCI adapter or an internal SCSI device:
1
Start the ThinkPad Configuration program and click on
the Docking Station (
2
Assign at least one IRQ value. The default setting is IRQ
) button.
9.
For an ISA adapter card:
1
Open Windows 98 or Windows 95 Device Manager and
check the resources available for the new card.
2
Disconnect the AC Adapter from the SelectaBase 770
port replicator.
Chapter 2. Extending the Features of Your Computer85
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