Clearing And Resetting The Cmos; Using The Cmos Button - HP Xw8400 - Workstation - 4 GB RAM Technical Reference Manual

NOTE:
the password jumper and other system board components, see
on page
5. Remove the jumper from either pin 1 or 2. Place the jumper on pins 1 and 2 (connecting both pins
together).
6. Replace the access panel.
7. Reconnect the external equipment.
8. Plug in and power on the workstation. Allow the operating system to start. This process clears the
current passwords and disables the password features.
9. To establish new passwords, repeat steps 1 through 4, replace the password jumper on either pin
1 or pin 2 (but not both), and repeat steps 6 through 8. Establish the new passwords in Computer
Setup.

Clearing and Resetting the CMOS

The CMOS of the workstation stores password information and information about the workstation
configuration. This section describes the steps to successfully clear and reset the CMOS.

Using the CMOS Button

1. Shut down the operating system, and power off the workstation and any external devices.
Disconnect the power cord of the workstation and any external devices from the power outlets.
2. Disconnect the keyboard, monitor, and any other external devices that are connected to the
workstation.
WARNING!
to disconnect the power cord from the wall outlet and allow the internal system components to cool
before touching.
CAUTION:
the system board even when the unit is powered off. Failure to disconnect the power cord can
result in damage to the system
Static electricity can damage the electronic components of the workstation or optional equipment.
Before beginning these procedures, be sure that you are discharged of static electricity by briefly
touching a grounded metal object.
3. Remove the access panel.
CAUTION:
customized information, including passwords, asset numbers, and special settings. It is important
to back up the workstation CMOS settings before resetting them in case they are needed later. To
back up the CMOS settings, use Computer Setup and run the Save to Diskette option from the File
menu.
4. Locate, press, and hold the CMOS button in for five seconds.
NOTE:
does not clear CMOS if the power cord is connected.
For assistance locating the CMOS button and other system board components, see
components on page
5. Replace the access panel.
164 Appendix H Appendix H — Additional password security and resetting CMOS
The password jumper is green so that it can be easily identified. For assistance locating
51.
To reduce the risk of personal injury from electrical shock and hot surfaces, be sure
When the workstation is plugged in, the power supply always has voltage applied to
Pushing the CMOS button resets CMOS values to factory defaults and erases any
Be sure that the AC power cord is disconnected from the power outlet. The CMOS button
51.
System board components
System board
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