HP Vectra XU 5/XX, Дополнительное руководство

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Vectra XU Familiarization Guide PC Hardware Structure
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34
System Board Switches
HP Vectra XU PCs have a bank of eight system board switches.
Switch Use this switch to:
Switch Block SW1
2
PSWRD
Enable or clear (and disable) User and System Administrator passwords
stored in EEPROM:
•
OFF to enable passwords
•
ON to clear passwords
Switch ON if you need to clear the current passwords.
3
SECUR
Disable or enable security mode. Security mode prevents changes to the
PC’s configuration using the PC’s SETUP program:
•
OFF to disable security mode
•
ON to enable security mode
Switch ON if you don’t want anyone to change the PC’s configuration.
4
CONFG
Retain or clear the configuration stored in EEPROM:
•
OFF to retain configuration
•
ON to clear configuration
Switch ON if you need to clear the PC’s configuration information, for
example, if the ocnfiguration is corrupted.
5 Reserved
6 Reserved
Switch 1 Switch 6 Switch 7
External/Interna
l
Bus Frequency
OFF OFF ON 50/75
ON OFF ON 50/100
OFF OFF OFF 60/90
OFF ON ON 66.66/100