1-2 Syst em M emor y U pgr ade
d. Select the appropriate operating system (OS) and language for the computer
to be updated.
e. Select FlashBIOS Updates for the download category.
f. Click Go and follow the instructions on screen to create a diskette containing
the BIOS update files.
NOTE: For some Dell systems, you are given a choice to create a diskette con-
taining the BIOS update files or to download a file you can use from the hard
drive. Select the choice to use the file that creates an installation diskette.
2. Insert the BIOS update diskette into the diskette drive of the computer to be
updated. Then restart the computer.
The computer automatically updates the BIOS from the diskette.
3. When the computer begins to restart and the Dell logo screen appears, remove
the diskette from the diskette drive so that the computer does not boot from the
diskette again.
Precautionary Measures
NOTICE: Before you upgrade the RIMMs, you must upgrade the BIOS. See
“Upgrading the BIOS” on page 1-1 for instructions.
Before you perform any of the procedures in this docum ent, read the following notice
for your personal safety and to prevent damage to the system from electrostatic dis-
charge (ESD).
NOTICE: The procedure in this document requires that you remove the
cover and work inside your computer. Do not attempt to service the com-
puter except as explained in this document and elsewhere in Dell
documentation. Always follow installation and service instr uctions closely.

Before Removing the Cover

Before you remove the computer cover, perform the following steps in the sequence
indicated.
NOTICE: To help avoid possible damage to the system board, unplug your
computer system and wait 15 to 30 seconds before removing a component
from the system board or disconnecting a peripheral device from the
computer.
1. Turn off the computer and any peripherals.
2. Disconnect the computer and peripherals from their power sources. Also, discon-
nect any telephone or telecommunication lines from the computer.
Before disconnecting a peripheral from the computer or removing a component
from the system board, verify that the standby power light, located on the sys-
tem board, has turned off. If it is on, you may need to wait 15 to 30 seconds for it