1-6 Infor mation Updatew w w . d e l l . c o m | s u p p o r t . d e l l . c o mSystem MemoryTo prevent possible compatibility problems, do not use Micron 128-MB memory modulesin your system.Memory modules must be installed starting with the first connector (farthest from themicroprocessor) and leaving no open connectors between installed memory modules. See"Installing System Options" in the Installation and Troubleshooting Guide for informationon adding additional memory.Using the Power ButtonTo start the system, press the power button and release it as soon as the green powerindicator is lit. If you continue to press the power button, the system shuts down.To turn off the system, press and release the power button. The system will perform anorderly shutdown before power is turned off. If you press the power button for more than4 seconds to shut down the system, power is turned off immediately.If you select the Disable Power Button option using the System Setup program, the powerbutton will still function throughout system POST, but will be deactivated just before theoperating system is loaded.System Lockup While Loading a DOS-Mode CDDrive Device DriverIf your system includes a CD drive and a slave IDE device such as a tape backup unit, yoursystem may lock up while loading a DOS-mode device driver for the CD drive (such aswhen you boot the system from a bootable diskette or CD). If this problem occurs, updatethe DOS device driver for the CD drive by downloading the latest device driver fromwww.cdrom-drivers.com.Console RedirectionConsole redirection is not currently supported at the operating system level but issupported during system POST.4Y169ebk0.book Page 6 Thursday, February 6, 2003 12:04 PM