HP Xw4400 HP xw4400 Workstation - Service and Technical Reference Guide - Page 165

Appendix F — Additional password security and resetting CMOS, Resetting the password jumper

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F Appendix F - Additional password security and resetting CMOS This workstation supports the following security password features, which can be established through the Computer Setup Utilities menu: ● Setup password ● Power-on password When you establish a setup password, only the power-on password is required to access Computer Setup and any other information on the workstation. When you establish both passwords, only the setup password will give you access to Computer Setup. When both passwords are set, the setup password can also be used in place of the power-on password as an override to log in to the workstation, which is a useful feature for a network administrator. If you forget the password for the computer, two methods are available for clearing that password so you can gain access to the information on the workstation: ● Reset the password jumper ● Use the Clear CMOS button CAUTION: Pushing the CMOS button resets CMOS values to factory defaults and erases any 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. Resetting the password jumper To disable the power-on or setup password features and clear the power-on and setup passwords: 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 reduce the risk of personal injury from electrical shock and hot surfaces, be sure to disconnect the power cord from the wall outlet and allow the internal system components to cool before touching. CAUTION: When the workstation is plugged in, the power supply always has voltage applied to the system board even when the unit is turned off. Failure to disconnect the power cord can result in damage to the system. CAUTION: 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. 4. Locate the password header and jumper. The password header is E49. ENWW Resetting the password jumper 155

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F
Appendix F — Additional password
security and resetting CMOS
This workstation supports the following security password features, which can be established through
the Computer Setup Utilities menu:
●
Setup password
●
Power-on password
When you establish a setup password, only the power-on password is required to access Computer
Setup and any other information on the workstation. When you establish both passwords, only the setup
password will give you access to Computer Setup.
When both passwords are set, the setup password can also be used in place of the power-on password
as an override to log in to the workstation, which is a useful feature for a network administrator.
If you forget the password for the computer, two methods are available for clearing that password so
you can gain access to the information on the workstation:
●
Reset the password jumper
●
Use the
Clear CMOS
button
CAUTION:
Pushing the CMOS button resets CMOS values to factory defaults and erases any
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.
Resetting the password
jumper
To disable the power-on or setup password features and clear the power-on and setup passwords:
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 reduce the risk of personal injury from electrical shock and hot surfaces, be sure
to disconnect the power cord from the wall outlet and allow the internal system components to cool
before touching.
CAUTION:
When the workstation is plugged in, the power supply always has voltage applied to
the system board even when the unit is turned off. Failure to disconnect the power cord can result
in damage to the system.
CAUTION:
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.
4.
Locate the password header and jumper. The password header is E49.
ENWW
Resetting the password jumper
155