IBM 6824, 2289 manual Removing the cover

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Removing the cover

Important

Read “Safety Information” on page v and “Handling static-sensitive devices” on page 5 before removing the cover.

To remove the cover:

1.Shut down your operating system, remove any media (diskettes, CDs, or tapes) from the drives, 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, and any other cables that are connected to the computer.

4.Remove the two screws at the rear of the left side cover and slide the cover to the rear to remove.

10User Guide

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Contents User Guide Type 2289 Page User Guide Type 2289 Page Appendix B. Manual modem Iv User Guide Safety Information To connect To disconnectModem safety information Lithium battery noticeConnexion Déconnexion Laser compliance statement Consignes de sécurité relatives au modemViii User Guide Overview Information resourcesUser Guide Installing options FeaturesAudio subsystem Security features Specifications Tools required Available optionsHandling static-sensitive devices Installing external options Locating the connectors on the front of your computer Locating the connectors on the rear of your computer Connector Description Obtaining device driversRemoving the cover Locating components Identifying parts on the system boardInstalling memory What to do next Installing adapters Installing internal drives Drive specifications Installing a drive Connecting the first IDE CD-ROM drive or DVD-ROM drive Connecting an additional IDE CD-ROM drive or DVD-ROM drive Physical securityChanging the battery Replacing the cover and connecting the cables Erasing a lost or forgotten password clearing Cmos Installing options User Guide Viewing and changing settings Using the IBM Setup Utility programStarting the IBM Setup Utility program Exiting from the IBM Setup Utility programSetting, changing, and deleting a password User passwordAdministrator password Using Security Profile by DeviceSelecting a temporary startup device Selecting a startup deviceChanging the startup device sequence User Guide Appendix A. Updating System Programs Updating flashing Bios from a disketteUpdating flashing Bios from your operating system System programsRecovering from a POST/BIOS update failure Appendix B. Manual modem commands Basic AT commandsExtended AT commands US setting for off-hook-to-on-hook ratio Guard tone disabledEnable RTS/CTS hardware flow control Force DSR Signal High onFax Class 1 commands MNP/V.42/V.42bis/V.44 commandsFax Class 2 commands Voice commands User Guide Address map Appendix C. System address mapsSystem memory map Address range Address range hex Size Description DecimalLPT3 DMA I/O address map Address hex Description Bits Byte pointerAddress hex Description Bits Byte pointer System resource DMA channel Data width System resourceUser Guide Appendix E. Notices Television output noticeTrademarks IBMIndex DVDPage Page Part Number 49P1040