IBM 6824, 2289 manual Recovering from a POST/BIOS update failure

Page 42

9.Print these instructions. This is very important since they are not on the screen after the download begins.

10.From your browser, click Back to return to the list of files. Carefully follow the printed instructions to download, extract, and install the update.

Recovering from a POST/BIOS update failure

If power to your computer is interrupted while POST/BIOS is being updated (flash update), your computer might not restart correctly. If this happens, perform the following procedure to recover:

1.Turn off the computer and any attached devices, such as printers, monitors, and external drives.

2.Unplug all power cords from electrical outlets, and remove the cover. See “Removing the cover” on page 10.

3.Locate the Clear CMOS/Recovery jumper on the system board. See “Identifying parts on the system board” on page 11.

4.If necessary, refer to Installing adapters to remove any adapters that 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 21.

7.Reconnect the power cords for the computer and monitor to electrical outlets.

8.Insert the POST/BIOS update (flash) diskette into drive A, and turn on the computer and the monitor.

9.After the update session is completed, there will be no video and the series of beeps will end. Remove the diskette from the diskette drive, and turn off the computer and monitor.

10.Unplug the power cords from electrical outlets.

11.Remove the cover. See “Replacing the cover and connecting the cables” on page 21.

12.Remove any adapters that impede access to the BIOS Configuration jumper.

13.Replace the Clear CMOS/Recovery jumper to its original position.

14.Replace any adapters that were removed.

15.Replace the cover and reconnect any cables that were disconnected.

16.Turn on the computer to restart the operating system.

30User Guide

Image 42
Contents User Guide Type 2289 Page User Guide Type 2289 Page Appendix B. Manual modem Iv User Guide Safety Information To connect To disconnectLithium battery notice Modem safety informationConnexion Déconnexion Laser compliance statement Consignes de sécurité relatives au modemViii User Guide Overview Information resourcesUser Guide Installing options FeaturesAudio subsystem Security features Specifications Available options Tools requiredHandling 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 startup device Selecting a temporary 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 onMNP/V.42/V.42bis/V.44 commands Fax Class 1 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