IBM 380Z manual Power Management Features, Standby Mode, Suspend Mode, Even

Page 22

Power Management Features

Three power management modes are provided by the computer to reduce power consumption and prolong battery power.

Standby Mode

In standby mode, the following occurs:

The LCD backlight turns off.

The hard disk drive motor stops.

The speaker is muted.

The

computer

enters

standby

mode Fn when+ F3 the

keys

are

pressed.

 

 

The

computer

exits

standby

and resumes normal operation

when

any

key

is pressed.

 

Note:

Standby

mode in Windows 98 is called suspend

 

mode

in

Windows 95.

 

Suspend Mode

The

following

events

occur

 

in addition to what occurs in

standby

 

mode

when

the

computer

enters

suspend

mode:

 

The

LCD

is

powered

off.

 

 

 

 

 

 

 

 

 

The

hard

disk

drive

is

powered off.

 

 

 

The

CPU

stops.

 

 

 

 

 

 

 

 

 

 

 

 

 

Note:

Suspend

mode in Windows 95 is called standby

 

mode

in

Windows

98.

 

 

 

 

 

 

 

 

 

 

The

following

events

cause

the

computer

to

enter suspend

mode:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

The Fn

+

F4

keys

are

pressed.

 

 

 

 

 

 

 

The

LCD

cover

is

 

closed.

 

 

 

 

 

 

 

 

 

If

you

add

a

 

check Willmarknot tosuspendthe

 

 

 

 

 

even

if

LCD

is

closed

 

box

 

in

the

“Power

 

 

 

 

Management

Properties” window, the computer will

 

not

enter

suspend

mode

even

if

the

LCD

is

closed.

 

The

LCD

only

turns

off.

 

 

 

 

 

 

 

 

 

The Suspend

 

 

button

is

 

selected

in

the

Fuel-Gauge

 

program.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

The specified time has elapsed from the last

 

operation

with

the

keyboard, the TrackPoint, the hard

 

disk

 

drive,

the

 

parallel

connector,

or

the

diskette drive;

 

or

the

AC

Adapter

is

 

plugged

in.

 

 

 

 

 

In

Windows

95,

the timer isSuspendset by the

 

 

Timer

 

in

the

“Power

Properties”

window.

 

 

 

In

Windows

98,

the

timer isSystemset by the

 

 

standby

timer

 

in

the

“Power

Management

Properties”

 

window.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

The battery indicator blinks orange indicating that the

 

battery

power

is

low.

 

 

 

 

 

 

 

 

 

 

If

you

add

a

 

check Hibernatemark

towhen the

 

 

 

 

 

battery

becomes

low

 

 

box

 

in

the

“Power

 

 

 

 

20

Image 22
Contents ThinkPad 380Z 2635 Computer Hardware Maintenance Manual August1998 Where such provisions areFirst Not Apply UnitedThinkPad 380Z LCD Write Read This FirstOnly NotScrew Tightening Information How Use ErrorProblems PortFollowing is not covered under the warranty To DoDisabling the Power-On Password When Only the Power-on Password is SetWhen Both Power-on Password and Supervisor Password are Set On . aProduct Overview 2635-JxxGo To Checkout GuideVerified Audio Checkout Symptoms Go ToDiskette Drive Checkout Click onSystem Board Fan CheckoutKeyboard or Auxiliary Input Device Checkout Ctrl +ADevices Memory CheckoutValue Systems CheckoutSystem programs Pin Voltage V dcTerminal Voltage V dc / Signal +0 to+13.5 Ground − Battery CheckoutFor Communication between the system Battery Lines not used in these steps are usedChecking Operational Charging System Board and CPU Card Checkout Status Indicator CheckoutWire TrackPoint CheckoutDrifting Pointer Port Replicator Checkout Optional Device CheckoutSelf-Test CRTset ortoboth Suspend Mode Power Management FeaturesStandby Mode EvenSwitch??? Hibernation ModeOn timer + F12 keysPort Replicator Power Overload Symptom-to-FRU Index Codes111 Memory 161 BackupBattery 127190 Battery Checkout Sequence 185 Reset the start-upEasy-Setup Configuration604 601602 11XXCard Not InstallAction I9990301Beep Symptoms Indicator-Related Symptoms Function-Related SymptomsInfrared-Related Symptoms More Keyboard- or TrackPoint-Related SymptomsLCD-Related Symptoms MakePeripheral-Device-Related Symptoms Power-Related SymptomsOther Symptoms TimesSystem board DC/DC card LCD assembly CPU card ThinkPad 380Z Running the Diagnostics TestSlots Test Checking the Installed Devices ListTest BusFor example Diagnostic Error CodesDevice ID Icon DeviceAudio FRU Codes CodeRelated Service Procedures Status IndicatorsSymbol Color Password CombinationsRunning a Low-Level Format PressCtrl + Fn Key CombinationsOnExit Important Notice ButNumber FRU Service ProceduresReplacing the System Board Updating the Universally Unique IDentifier UuidRemoval Reference Ref. No1010 Battery Pack Apply Any Shock Not Drive1030 Pack1020Actual With SpacerSize Battery Pack1020 Keyboard UnitThen go to 6step When installing When replacingKeyboard and Speakers ThinkPad 380Z When installing Diskette Drive Assembly or CD-ROM Drive Assembly Battery Pack1020 Hard Disk Drive1030 Keyboard Unit1040Diskette Drive and CD-ROM Drive Diskette DriveRight view Latch Step Size Quantity TorqueTorque shown CD-ROM Drive Step SizeLCD Unit Step Size QuantityStep Latches Fan Assembly, CPU Card, Thermal Rubber Neverthe reusetable When installing Upper Shield Case Box Speaker and Microphone Following figure shows the route for 1120 DC/DC Card Microphone Cable Unit1080 SlotCard1090 Hex Stud Screw Battery Pack Latch LCD Front Cover Step Size Quantity Torque LCD Inverter Card LCD Panel Position Flexible cable connector may vary by Type LCD Misc. Parts Step LCD Cable BushYou ThinkPad Port Replicator with Advanced EtherJet FeatureRemoved. Use a new one. Make sure the screws are Upper Cover Assembly Box Assembly When re-installing Locations Front View Bottom View Rear View Parts List Name Base Misc Parts Kit includes Hard Disk Drive and CD-ROM/Diskette Drive Assembly Ref. No. FRU NameLCD Assembly Right Hinge Included Hinge Kit LCD Cable Assembly Keyboard Nomenclature Miscellaneous and Option Parts List Miscellaneous PartsParts HDDBlack Keypad FRU Name Accessories FRU NameNumeric Keypad FRU Name FRU No Black Keyboard FRU NameTools FRU Name For 2-pin power cords Power CordsUsed in These Countries Power Cord Part Number For 3-pin slim power cords Power Used TheseTrademarks MMXThinkPad 380Z Part Number 10L9624