Clearing And Resetting The Cmos; Using The Cmos Button - HP Xw4600 - Workstation - 2 GB RAM Technical Reference Manual
Hp xw4600 workstation - service and technical reference guide
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3.
Remove the access panel.
4.
Locate the password header and jumper. The password header is E49.
NOTE:
The password jumper is green so that it can be easily identified. For assistance locating the
password jumper and other system board components, see the service label located on the inside
of the workstation access panel, or see
5.
Remove the jumper from the default position on pins 1 and 2. The jumper can be temporarily stored
on either pin 1 or pin 2.
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 both pin
1 and pin 2, and repeat steps 6 through 8. If required, establish new passwords using the Computer
Setup (F10) Utility.
Clearing and Resetting the CMOS
The CMOS of the workstation stores information about the workstation configuration. This section
describes the steps necessary to successfully clear and reset the CMOS.
Using the CMOS Button
Follow the steps below to clear CMOS using the Clear CMOS button:
WARNING!
disconnect the power cord from the wall outlet and allow the internal system components to cool before
touching.
CAUTION:
system board even when the workstation is powered off. Failure to disconnect the power cord can result
in damage to the system
CAUTION:
equipment. Before beginning these procedures, be sure that you are discharged of static electricity by
briefly touching a grounded metal object.
1.
Shut down the operating system, and then power off the workstation and any external devices.
Disconnect the workstation power cord and any external devices from the power outlets.
2.
Disconnect the keyboard, monitor, and any other external devices that are connected to the
workstation.
3.
Remove the access panel.
CAUTION:
any customized information, asset numbers, and special settings. It is important to back up the
workstation CMOS settings before resetting them in case they are necessary later. To back up the
CMOS settings, use the Computer Setup (F10) Utility and select Save to Diskette from the File
menu.
4.
Locate, press, and hold the CMOS button for five seconds.
156 Chapter 8 Configuring password security and resetting CMOS
Ensure that the AC power cord is disconnected from the power outlet.
To reduce the risk of personal injury from electrical shock and hot surfaces, be sure to
When the workstation is plugged in, the power supply always has voltage applied to the
Static electricity can damage the electronic components of the workstation or optional
Pushing the Clear CMOS button resets CMOS values to factory defaults and erases
System board components on page
57.
ENWW
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