33
2 System Board
System Board Switches
System Board Switches
There are ten system board switches used for configuration, numbered from
1 to 10. Of these a certain number are reserved and should not be modified,
otherwise it could lead to a system failure.
Switch Boxes
There are two types of system board switch boxes that may be used on the
HP Kayak XU800 PC Workstation
.
Switch
Default
Position
Function:
1
UP
UP enables normal mode
.
DOWN enables the BIOS recovery mode at next boot.
2
UP
1
1.
These are default settings and should not be changed.
UP allows Processor(s) to automatically choose the FSB speed.
DOWN forces the FSB speed to 100 MHz.
3
UP
UP enables
User and System Administrator passwords.
DOWN clears the passwords at next boot.
4
UP
UP retains CMOS memory.
DOWN clears CMOS memory at next boot.
5
UP
1
UP = Automatic FSB frequency setting.
DOWN = Sets operation to 133 FSB/300 Rambus.
6
DOWN
1
UP. AGP¨110 W cards appear as 50 W.
DOWN enables AGP 110 W detection.
7
DOWN
1
UP disables keyboard power-on.
DOWN enables keyboard power-on.
8
DOWN
1
UP forces the PCI 64 bus to 33 MHz if slots 3 and 4 are empty.
DOWN disables this option.
9
DOWN
1
UP disables this option.
DOWN enables spread spectrum clocking.
10
UP
1
UP Disables this option.
DOWN provides 3.3 V Stdby to AGP Pro connector.
OPEN = UP
CLOSED = DOWN
OFF = OPEN ON = CLOSED
10 9
8
7
6
5
4
3
2
1
X
X
X
X
X
X
X
X
X
X
or
Default Configuration
UP = OPEN
DOWN = CLOSED
Содержание Kayak XU800 Series
Страница 1: ...HP Kayak XU800 PC Workstation Technical Reference Manual ...
Страница 26: ...26 1 System Overview Documentation ...
Страница 86: ...86 3 Interface Cards Network Cards ...
Страница 106: ...106 5 HP BIOS BIOS Addresses ...
Страница 130: ...130 6 Tests and Error Messages Error Message Summary ...
Страница 140: ...140 7 Connectors and Sockets Rear Panel Socket Pin Layouts ...