IBM A20i 2255, User Manual

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Page 2: ...rmation on page v and Notices and trademarks on page 51 Note First Edition January 2001 Copyright International Business Machines Corporation 2001 All rights reserved US Government Users Restricted Ri...

Page 3: ...ng components 26 Removing the power supply 26 Installing options on the system board 28 Accessing the system board 28 Identifying parts on the system board 28 Installing memory 30 Removing a DIMM 30 I...

Page 4: ...iv Contents...

Page 5: ...phone et des c bles de transmission peut pr senter un danger Pour viter tout risque de choc lectrique Ne manipulez aucun c ble et n effectuez aucune op ration d installation d entretien ou de reconfi...

Page 6: ...lus de 100 C 212 F R parer ou d sassembler Mettre au rebut les batteries usag es conform ment aux r glements locaux Modem safety information To reduce the risk of fire electrical shock or injury when...

Page 7: ...s installed note the following handling instructions CAUTION Use of controls or adjustments or performance of procedures other than those specified herein might result in hazardous radiation exposure...

Page 8: ...ty Information DANGER Rayonnement laser lorsque le carter est ouvert vitez toute exposition directe des yeux au rayon laser vitez de regarder fixement le faisceau ou de l observer l aide d instruments...

Page 9: ...nd erasing a lost or forgotten password Changing the battery on page 43 provides instructions to help you change the battery if you need to Updating System Programs on page 45 provides instructions to...

Page 10: ...x About this book...

Page 11: ...puter To properly install options you will need to know the model of your computer The best way to identify your computer is by the machine type model number The machine type model number indicates th...

Page 12: ...th a diskette drive and a hard disk drive Some models come with a CD ROM DVD ROM or Combo drive The power button is located on the right side of the computer as you are facing it Features This section...

Page 13: ...Ring Detect for an external modem and Modem Ring Detect for an internal modem Wake on Alarm Input output features 25 pin ECP EPP parallel connector One 9 pin serial connector Three or Four USB connec...

Page 14: ...Edition Me Operating systems tested for compatibility Microsoft Window 2000 Specifications This section lists the physical specifications for the computer The desktop and microtower models have three...

Page 15: ...tion and heat output vary depending on the number and type of optional features installed and the power management optional features in use Heat output approximate in British thermal units Btu per hou...

Page 16: ...onsumption and heat output vary depending on the number and type of optional features installed and the power management optional features in use Heat output approximate in British thermal units Btu p...

Page 17: ...components and options When you add an option do not open the static protective package containing the option until you are instructed to do so When you handle options and other computer components t...

Page 18: ...8 Overview...

Page 19: ...s that come with the option to help you make the connection and install any software or device drivers that are required for the option Locating the connectors on the front of your computer The follow...

Page 20: ...10 Installing external options The following illustration shows the location of the connectors on the front of the microtower computer 1 Front USB connector 2 Front USB connector 1 2...

Page 21: ...ons Icons will help you to determine where to connect the proper cables on your computer 1 LAN connector 8 USB connector 2 Game Port some models only 9 USB connector 3 Speaker out connector 10 Monitor...

Page 22: ...connector 15 Mouse connector 8 LAN connector Connector Description Mouse connector Used to attach a mouse trackball or other pointing device that uses a mouse connector Keyboard connector Used to att...

Page 23: ...disk if you use speech recognition software Audio line in connector Used to receive audio signals from an external audio device such as a stereo system When you attach an external audio device a cabl...

Page 24: ...14 Installing external options...

Page 25: ...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 and any other cables that are connecte...

Page 26: ...You might need to remove adapters to access some components on the system board For information about adapters see Installing adapters on page 19 When disconnecting cables be sure to note where they...

Page 27: ...Speaker out connector 5 Diskette drive connector 17 Microphone connector 6 Primary IDE connector 18 Audio line in connector 7 Secondary IDE connector 19 Audio line out connector 8 Flash ROM 20 Game P...

Page 28: ...rt It might be needed later if you change your memory configuration Installing a DIMM When installing DIMMs the following rules apply Fill each system memory connector sequentially starting at DIMM 0...

Page 29: ...low profile PCI adapter card Installing adapters To install an adapter 1 Remove the cover See Removing the cover on page 15 2 Remove the slot screw and slot cover for the appropriate expansion slot 3...

Page 30: ...you can install in each bay Also it is important to correctly connect the internal drive cables to the installed drive Drive specifications Your computer comes with the following IBM installed drives...

Page 31: ...or slave device If your computer comes with a CD ROM drive it has an ATA 100 signal cable However if you are installing a hard disk drive you must change the switch or jumper setting on the CD ROM dr...

Page 32: ...ght need to remove the signal and power cables from the drive 1 Remove the cover see Removing the cover on page 15 2 Lift the latch that secures the CD ROM drive mounting tray 3 Install the drive into...

Page 33: ...m To replace the cover and connect cables to your computer 1 Ensure that all components have been reassembled correctly and that no tools or loose screws are left inside your computer 2 Clear any cabl...

Page 34: ...24 Installing internal options desktop model...

Page 35: ...ives 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 cab...

Page 36: ...supply To perform some operations inside the computer you might need to move the power supply to access parts of the system board that are difficult to see or hard to reach Use the following procedure...

Page 37: ...assis 2 Slide the power supply unit up toward the top of the chassis 3 Rotate the power supply outward as shown 4 Pull the power supply forward and carefully rotate it toward the front of the chassis...

Page 38: ...on page 25 You might need to move the power supply aside or remove adapters to access some components on the system board For information about adapters see Installing adapters on page 31 When disconn...

Page 39: ...Speaker out connector 5 Diskette drive connector 17 Microphone connector 6 Primary IDE connector 18 Audio line in connector 7 Secondary IDE connector 19 Audio line out connector 8 Flash ROM 20 Game P...

Page 40: ...discard or lose this part It might be needed later if you change your memory configuration Installing DIMMs When installing DIMMs the following rules apply Fill each system memory connector sequentia...

Page 41: ...Install the screw that secures the adapter Installing internal drives This section provides information and instructions for installing and removing internal drives Internal drives are devices that y...

Page 42: ...s 1 and 2 have a static shield and bay panel installed The following illustration shows the locations of the drive bays The following table describes some of the drives that you can install in each ba...

Page 43: ...has an ATA 100 signal cable However if you are installing a hard disk drive you must change the switch or jumper setting on the CD ROM drive or DVD ROM drive to secondary and change the connector that...

Page 44: ...cables After working with options you need to install any removed parts replace the cover and reconnect any cables including power cords and telephone lines Also depending on the option that installed...

Page 45: ...to lift the front of the cover slightly to align it properly 6 Insert the three thumbscrews into the holes in the cover and the chassis and tighten 7 Reconnect the external cables and cords to the co...

Page 46: ...36 Installing internal options microtower model...

Page 47: ...tup menus Keys Function Use these arrow keys to highlight an option in a menu Press the Enter key to choose the option Use these arrow keys to change the value of a setting In some menus you can use t...

Page 48: ...default settings follow these steps 1 From the Configuration Steup Utility menu highlight the option then press Enter A dialog box appears confirming if you want to Load FDDless Defaults 2 Type Y to s...

Page 49: ...r hard disk This startup sequence allows you to start the diagnostic and recovery programs from the Product Recovery and Diagnostics CD use emergency diskettes to recover from a startup failure and st...

Page 50: ...d a key is held down the key will repeat after a brief delay If the typematic function is disabled the key will not repeat when held brief delay If the typematic function is disabled the key will not...

Page 51: ...et up a password to restrict access to the Setup Utility or to your system You can also change or remove the password If you set up a system password you must type this password each time you power on...

Page 52: ...42 Updating the computer configuration...

Page 53: ...ery notice on page vi for information about replacing and disposing of the battery To change the battery 1 Turn off the computer and all attached devices 2 Unplug the power cord and remove the cover S...

Page 54: ...ver and connecting the cables on page 23 desktop model Replacing the cover and connecting the cables on page 34 microtower model and the Quick Reference Note When the computer is turned on for the fir...

Page 55: ...oard has a module called electrically erasable programmable read only memory EEPROM also referred to as flash memory You can easily update POST BIOS and the Configuration Setup Utility program by star...

Page 56: ...46 Updating System Programs...

Page 57: ...decimal Address range hex Description 0 640 KB 000000 09FFFF Main memory 640 768 KB 0A0000 0BFFFF VGA memory 768 816 KB 0C0000 CBFFFF Video BIOS Memory 816 896 KB 0CC000 0DFFFF ISA Card BIOS Buffer Me...

Page 58: ...27F Parallel Printer Port 2 2F8 2FF Serial Asynchronous Port 2 378 37F Parallel Printer Port 1 3F0 3F5 Floppy Disk Controller 3F6 3F6 Secondary EIDE 3F7 3F7 Primary EIDE 3F8 3FF Serial Asynchronous P...

Page 59: ...itical system error SMI System management interrupt for power management 0 Timer 1 Keyboard 2 Cascade interrupt from slave PIC 3 COM2 4 USB 5 Modem 6 Diskette controller 7 LPT1 8 Real time clock 9 ACP...

Page 60: ...pt request and direct memory access channel assignments Table 4 DMA channel assignments DMA channel Assignment 0 Available 1 Audio 2 Floppy Diskette 3 Printer Port 4 Cascade 5 Available 6 Available 7...

Page 61: ...D INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF NON INFRINGEMENT MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE Some states do not allow disclaimer of express or implied warranties in ce...

Page 62: ...52 Notices and trademarks...

Page 63: ...30 DMA channel assignments 50 drives bays 3 20 32 CD 31 CD ROM 20 diskette 7 DVD 7 31 hard disk 7 20 31 installing 20 22 31 33 internal 3 7 31 33 removable media 7 20 31 specifications 20 32 E environ...

Page 64: ...model 25 replacing the cover desktop model 23 microtower model 34 S security features 3 subsystem audio 3 system board 16 28 accessing 16 28 identifying parts 16 28 memory 7 18 30 memory map 47 system...

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Page 66: ...Part Number 22P0801...