SOFTPAQ NUMBER: SP12246 PART NUMBER: 155232-003 FILE NAME: N/A TITLE: Presario 1800 Specific Models System ROM Update VERSION: F.09 Rev B (08/27/99) LANGUAGE: English CATEGORY: ROMPaqs DIVISIONS: Consumer PRODUCTS AFFECTED: Compaq Presario 1800T, 1825, 1826, 1827, and 1830 OPERATING SYSTEM: N/A SYSTEM CONFIGURATION: N/A PREREQUISITES: N/A EFFECTIVE DATE: November 15, 1999 ELECTRONIC DISTRIBUTION ALLOWED: Yes SOFTPAQ UTILITY VERSION: 2.0 SUPERSEDES: SP11760 DESCRIPTION: Creates a bootable diskette to update the System ROM to the 08/27/99 version on the Presario 1800 Series notebook models listed above. Enhancements/Fixes: - Adds Pentium III support. - Adds 100-MHZ SDRAM memory support. - New video BIOS version v4.155 fixes LCD/CRT issues, adds support for Hitachi 15-inch panels. - Adds quicker hibernation support. - Fixes slow USB mouse response after resuming from hibernate. - Fixes problem with booting Windows 2000. - Resolves all Microsoft PC98 certification issues. - Corrects problems with Idle mode. - Automatically turns on CRT output at boot time ONLY when CRT is attached at boot time. - Makes I/O address 380 an option only for EPP/ECP mode (fix for Iomega ZIP Drive does not work with parallel port I/O set to 380). - Stops screen from going blank in DOS safe mode after 15 minutes. - Includes updates for PII, PIII, and Celeron microcode. - Fixes problem with PCMCIA slot not working after system resumes from critical hibernate. - Adds PIIX4M support. - Fixes video issue so that now a secondary CRT will be blanked along with the LCD when the screensave timeout period is invoked. HOW TO USE: 1. Format a 1.44-MB diskette. 2. Download the SoftPaq to a temporary, empty directory on your hard drive and change to that directory. The file downloaded is a self-extracting executable with a filename based on the SoftPaq Number above. 3. From that drive and directory, execute the SoftPaq file. You will be prompted to place the formatted 1.44 MB diskette into a diskette drive to create the ROMPaq diskette. 4. After the diskette is created, you may delete the downloaded file if you wish. 5. Shutdown and turn off the computer. Wait 15 seconds. Place the ROMPaq diskette into drive A: and turn on the power, allowing the computer to boot from the diskette. 6. The ROMPaq diskette will automatically update the System ROM and notify you when the update is finished. CAUTION: DO NOT TURN OFF YOUR COMPUTER DURING THE UPDATE PROCESS 7. When the ROM update is finished, you will need to turn the computer off and back on for the changes to be in effect. Remove the ROMPaq diskette from the computer. Turn the computer's power switch OFF, wait 15 seconds, then turn the switch ON again. 8. On the first boot after the update you will see this message: ERROR 0251: System CMOS checksum bad - Default configuration used This is expected, since CMOS was set to a default state during the update. Press the "F1" key to boot the system. You will not see this message on subsequent boots. Copyright 1999, Compaq Computer Corporation. All rights reserved. Product names mentioned herein may be trademarks and/or registered trademarks of their respective companies