background image

Extended

 

AT

 

commands

  

Command

 

Function

 

&C_

 

&C0

 

Force

 

Carrier

 

Detect

 

Signal

 

High

 

(ON)

 

&C1

 

Turn

 

on

 

CD

 

when

 

remote

 

carrier

 

is

 

present

 

&D_

 

&D0

 

Modem

 

ignores

 

the

 

DTR

 

signal

 

&D1

 

Modem

 

returns

 

to

 

Command

 

Mode

 

after

 

DTR

 

toggle

 

&D2

 

Modem

 

hangs

 

up,

 

returns

 

to

 

the

 

Command

 

Mode

 

after

 

DTR

 

toggle

 

&D3

 

Resets

 

modem

 

after

 

DTR

 

toggle

 

&F_

 

&F

 

Recall

 

factory

 

default

 

configuration

 

&G_

 

&G0

 

Guard

 

tone

 

disabled

 

&G1

 

Guard

 

tone

 

disabled

 

&G2

 

1800

 

Hz

 

guard

 

tone

 

&K_

 

&K0

 

Disable

 

flow

 

control

 

&K3

 

Enable

 

RTS/CTS

 

hardware

 

flow

 

control

 

&K4

 

Enable

 

XON/XOFF

 

software

 

flow

 

control

 

&K5

 

Enable

 

transparent

 

XON/XOFF

 

flow

 

control

 

&K6

 

Enable

 

both

 

RTS/CTS

 

and

 

XON/XOFF

 

flow

 

control

 

&M_

 

&M0

 

Asynchronous

 

operation

 

&P_

 

&P0

 

US

 

setting

 

for

 

off-hook-to-on-hook

 

ratio

 

&P1

 

UK

 

and

 

Hong

 

Kong

 

off-hook-to-on-hook

 

ratio

 

&P2

 

Same

 

as

 

&P0

 

setting

 

but

 

at

 

20

 

pulses

 

per

 

minute

 

&P3

 

Same

 

as

 

&P1

 

setting

 

but

 

at

 

20

 

pulses

 

per

 

minute

 

&R_

 

&R0

 

Reserved

 

&R1

 

CTS

 

operates

 

per

 

flow

 

control

 

requirements

 

&S_

 

&S0

 

Force

 

DSR

 

Signal

 

High

 

(ON)

 

&S1

 

DSR

 

off

 

in

 

command

 

mode,

 

on

 

in

 

on-line

 

mode

 

&T_

 

&T0

 

Ends

 

test

 

in

 

progress

 

&T1

 

Perform

 

Local

 

Analog

 

Loopback

 

Test

 

&T3

 

Perform

 

Local

 

Digital

 

Loopback

 

Test

 

&T4

 

Grant

 

Remote

 

Digital

 

Loopback

 

Test

 

request

 

by

 

remote

 

modem

 

&T5

 

Deny

 

Remote

 

Digital

 

Loopback

 

Test

 

request

 

&T6

 

Perform

 

a

 

Remote

 

Digital

 

Loopback

 

Test

 

&T7

 

Perform

 

a

 

Remote

 

Digital

 

Loopback

 

Test

 

and

 

Self-Test

 

&T8

 

Perform

 

Local

 

Analog

 

Loopback

 

Test

 

and

 

Self-Test

 

&V

 

&V0

 

Displays

 

Active

 

and

 

Stored

 

Profiles

   

Appendix

 

C.

 

Manual

 

modem

 

commands

 

37

Summary of Contents for ThinkCentre 8143

Page 1: ...ThinkCentre User Guide Types 8143 8144 8146 Types 8422 8423 8427...

Page 2: ......

Page 3: ...ThinkCentre User Guide Types 8143 8144 8146 Types 8422 8423 8427...

Page 4: ...t safety information on page v and Appendix D Notices on page 43 Second Edition June 2004 Copyright International Business Machines Corporation 2004 All rights reserved US Government Users Restricted...

Page 5: ...onnecting a serial ATA hard disk drive 21 Installing security features 21 Security locks 21 Integrated cable lock 22 Padlock 23 Password protection 23 Changing the battery 23 Erasing a lost or forgott...

Page 6: ...iv User Guide...

Page 7: ...gged so the battery safety information applies to all computers Conditions that require immediate action Products can become damaged due to misuse or neglect Some product damage is serious enough that...

Page 8: ...mer These parts are referred to as Customer Replaceable Units or CRUs IBM expressly identifies CRUs as such and provides documentation with instructions when it is appropriate for customers to replace...

Page 9: ...s only into a grounded electrical outlet This is a safety feature Do not defeat this safety feature by trying to insert it into a non grounded outlet If you cannot insert the plug into the outlet cont...

Page 10: ...d when the computer is functioning or when the battery is charging Your computer produces some heat during normal operation Extended contact with the body could cause discomfort or potentially a skin...

Page 11: ...power cords to outlet 5 Turn device ON To disconnect 1 Turn everything OFF 2 First remove power cords from outlet 3 Remove signal cables from connectors 4 Remove all cables from devices DANGER Le cour...

Page 12: ...ttery contains lithium and can explode if not properly used handled or disposed of Do not v Throw or immerse into water v Heat to more than 100 C 212 F v Repair or disassemble Dispose of the battery a...

Page 13: ...n t l phone situ proximit de la fuite Laser compliance statement Some IBM Personal Computer models are equipped from the factory with a CD ROM drive or a DVD ROM drive CD ROM drives and DVD ROM drives...

Page 14: ...t de CD ROM DVD ROM est install e tenez compte des remarques suivantes ATTENTION Pour viter tout risque d exposition au rayon laser respectez les consignes de r glage et d utilisation des commandes ai...

Page 15: ...on resources The Quick Reference that comes with your computer provides information for installing your computer and starting the operating system It also includes basic troubleshooting information so...

Page 16: ...xiv User Guide...

Page 17: ...ge v These precautions and guidelines will help you work safely Features This section provides an overview of the computer features and preinstalled software System information The following informati...

Page 18: ...000 Mbps integrated Broadcom Ethernet controller v Support for the Wake on LAN feature v PCI V 90 Data Fax modem some models System management features v Remote Program Load RPL and Dynamic Host Confi...

Page 19: ...f an integrated cable lock v Cover present switch v Startup sequence control v Startup without diskette drive keyboard or mouse v Unattended start mode v Diskette and hard disk I O control v Serial an...

Page 20: ...interconnect PCI adapters PCI Express x1 adapter PCI Express x16 graphics adapter Internal drives such as Optical drives such as CD and DVD drives Hard disk drive Diskette drives and other removable...

Page 21: ...lled and the power management optional features in use Heat output approximate in British thermal units Btu per hour Minimum configuration 256 Btu hr 75 watts Maximum configuration 1058 Btu hr 310 wat...

Page 22: ...r for at least two seconds This reduces static electricity in the package and your body v When possible remove the option and install it directly in the computer without setting the option down When t...

Page 23: ...ation shows the locations of the connectors on the front of the computer Note Not all computer models will have the following connectors 1 3 9 4 1 IEEE 1394 connector 4 Microphone connector 2 USB conn...

Page 24: ...nnector 12 USB connectors 2 4 Audio line out connector 13 Ethernet connector 5 Audio line in connector 14 PCI Express x16 slot 6 VGA monitor connector 15 PCI Express x1 slot 7 Parallel connector 16 PC...

Page 25: ...lass B limits use a Category 5 Ethernet cable Microphone connector Used to attach a microphone to your computer when you want to record voice or other sounds on the hard disk if you use speech recogni...

Page 26: ...and turn off all attached devices and the computer 2 Unplug all power cords from electrical outlets 3 Disconnect all cables attached to the computer This includes power cords input output I O cables...

Page 27: ...sk drive 4 PCI slot 5 Optional PCI adapter Identifying parts on the system board The system board sometimes called the planar or motherboard is the main circuit board in your computer It provides basi...

Page 28: ...tor 11 SATA 4 IDE connector 24 Microprocessor heat sink 12 SATA 3 IDE connector 13 SATA 2 IDE connector Installing memory Your computer has four connectors for installing dual inline memory modules DI...

Page 29: ...d can be used in any combination of 256 MB 512 MB and 1 GB sizes Note The type of memory required is also indicated in text near the IBM logo on the system board To install a DIMM 1 Remove the cover S...

Page 30: ...ess x16 adapter and one for a PCI Express x1 adapter To install an adapter 1 Remove the cover See Removing the cover on page 10 2 Unlatch the adapter slot cover latch and remove the slot cover for the...

Page 31: ...ch as CD CD RW and DVD drives v Removable media drives Note These different drives are also referred to as integrated drive electronics IDE drives Internal drives are installed in bays In this book th...

Page 32: ...emovable media drive 2 Bay 2 Maximum height 43 0 mm 1 7 in v Optical drive such as CD and DVD v 3 5 inch hard disk drive requires a special mounting bracket v 5 25 inch removable media drive 3 Bay 3 M...

Page 33: ...bezel 5 PATA drives must be jumpered as either a master or a slave device SATA hard disk drives do not require either a master or a slave device jumper If you are installing an SATA hard disk drive c...

Page 34: ...bracket on the side of the drive 7 Install the drive into the bay until it snaps into position 8 Continue at Connecting drives on page 20 Installing a hard disk drive in bay 3 1 Remove the cover See R...

Page 35: ...ce jumper If you are installing an SATA hard disk drive continue to step 6 5 If there is a combination of optical and parallel ATA hard disk drives in bays 1 2 and 3 set the hard disk drive as a maste...

Page 36: ...3 Locate the PATA IDE connector on the system board See Identifying parts on the system board on page 11 4 Connect one end of the signal cable to the drive and the other to the PATA IDE connector on...

Page 37: ...option go to the appropriate section v To complete the installation go to Replacing the cover and connecting the cables on page 25 Installing security features To help prevent hardware theft and unau...

Page 38: ...er non permanent fixture This lock also secures the computer cover The cable lock attaches to a security slot at the rear of your computer and is operated with a key This is the same type of lock used...

Page 39: ...ng the cover and connecting the cables on page 25 Changing the battery Your computer has a special type of memory that maintains the date time and settings for built in features such as parallel port...

Page 40: ...displayed This is normal after replacing the battery 9 Turn on the computer and all attached devices 10 Use the IBM Setup Utility program to set the date and time and any passwords See Chapter 2 Usin...

Page 41: ...alled you might need to confirm the updated information in the IBM Setup Utility program To replace the cover and connect cables to your computer 1 Ensure that all components have been reassembled cor...

Page 42: ...26 User Guide...

Page 43: ...ssword See Using passwords for more information The IBM Setup Utility might start automatically when POST detects that hardware has been removed or new hardware has been installed in your computer Vie...

Page 44: ...ttings of several computers you might want to set an Administrator Password After you set an Administrator Password a password prompt is displayed each time you try to access the IBM Setup Utility pro...

Page 45: ...user access to the following devices IDE controller When this feature is set to Disable all devices connected to the IDE controller such as hard disk drives or the CD ROM drive are disabled and will n...

Page 46: ...M Setup Utility program see Starting the IBM Setup Utility program on page 27 2 Select Startup 3 Select Startup Sequence See the information displayed on the right side of the screen 4 Select the sequ...

Page 47: ...ference Instructions for using the system program updates are available in a txt file that is included with the update files For most models you can download either an update program to create a syste...

Page 48: ...impede access to the Clear CMOS Recovery jumper 5 Move the jumper from the standard position pins 1 and 2 to pins 2 and 3 6 Replace the cover See Replacing the cover and connecting the cables on page...

Page 49: ...rea 2 Check the surface you are using the mouse on If you have a very intricate picture or pattern beneath the mouse it is difficult for the digital signal processor DSP to determine changes in the mo...

Page 50: ...lers 3 inside the ball cage This build up usually appears as a stripe running across the middle of the rollers 6 If the rollers are dirty clean them by using a cotton swab soaked in isopropyl rubbing...

Page 51: ...quires one it is just like specifying a parameter of 0 Example ATH ENTER Basic AT commands In the following listings all default settings are printed in bold text Command Function A Manually answer in...

Page 52: ...urn to Data Mode O1 Return to Data Mode and initiate an equalizer retrain P Set Pulse dial as default Q_ Q0 Modem sends responses Sr Read and display value in register r Sr n Set register r to value n...

Page 53: ...ow control M_ M0 Asynchronous operation P_ P0 US setting for off hook to on hook ratio P1 UK and Hong Kong off hook to on hook ratio P2 Same as P0 setting but at 20 pulses per minute P3 Same as P1 set...

Page 54: ...Parameter b specifies automode operations where 0 automode disabled 1 automode enabled with V 8 V 32 Annex A Parameter c specifies the minimum connection data rate 300 56000 Parameter d specifies the...

Page 55: ...Set the polled station identification FCIG Report the polled station identification FCR Capability to receive FCR Capability to receive FCSI Report the called station ID FDCC DCE capabilities paramete...

Page 56: ...facturer REV Identify Revision Level TL Audio output transmit level VBQ Query Buffer Size VBS Bits per sample ADPCM or PCM VBT Beep Tone Timer VCI Identify Compression Method VLS Voice line select VRA...

Page 57: ...not have Taxsignal switched OFF modem function may be impaired The impairment may be resolved by a filter with the following specifications Telekom PTT SCR BE Taximpulssperrfilter 12kHz PTT Art 444 1...

Page 58: ...42 User Guide...

Page 59: ...in certain transactions therefore this statement may not apply to you This information could include technical inaccuracies or typographical errors Changes are periodically made to the information he...

Page 60: ...ntended for home and other limited viewing uses only unless otherwise authorized by Macrovision Corporation Reverse engineering or disassembly is prohibited Trademarks The following terms are trademar...

Page 61: ...9 H hard disk drive security 27 I IBM Setup Utility 27 information resources xiii input output I O features 2 installing options adapters 14 DIMMs 12 external 6 memory 12 security features 21 K keybo...

Page 62: ...atures 3 21 hard disk drive 27 integrated cable lock 22 23 security profile by device 29 serial connector 9 setup utility 27 system board connectors 12 identifying parts 11 location 12 memory 4 12 sys...

Page 63: ......

Page 64: ...Part Number 19R0450 Printed in USA 1P P N 19R0450...

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