HP LH4r HP Netserver Service Handbook, Volume 2 - Mid - Page 39

System Switches and Jumper Descriptions

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System Switches and Jumper Descriptions Remote Assistant Connector J25 This connector is used by the HP Remote Assistant Accessory, a 32-bit EISA Bus Master board used to remotely monitor server functionality. For additional information on this product, see the documentation that comes with it. When you install the HP Remote Assistant cable, you will need to remove the jumper on PS REMOTE and PS ON. If you remove HP Remote Assistant from the server, remember to re-install the jumper. HP Remote Assistant Connector WARNING If the HP Remote Assistant is not installed and there is no jumper on PS REMOTE and PS ON, the system will NOT power up. System Board Switch SW1 SW1 Default Settings: Off On 1 Flash Write Enable 2 Boot Lock Disable 3 Config Valid 4 Config Unlock 5 Password Enable 6 NMI LOG Enable 7 IO Control Enable 8 Video Enable Switch Function 1 FLASH WRITE ENABLE: Enables or disables one of the two levels of flash ROM write protection (the other level of protection is controlled by the HP Update Utility). ON: The BIOS can be updated by the HP Update Utility. OFF: The BIOS is locked and cannot be updated. 2 BOOT BLOCK DISABLE: Reserved. Must be set to ON for system to operate properly. Default ON ON 31

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31
System Switches and Jumper Descriptions
Remote Assistant Connector J25
This connector is used by the HP Remote Assistant Accessory, a 32-bit EISA Bus Master board used to
remotely monitor server functionality. For additional information on this product, see the documentation that
comes with it. When you install the HP Remote Assistant cable, you will need to remove the jumper on
PS
REMOTE
and
PS ON
. If you remove HP Remote Assistant from the server, remember to re-install the
jumper.
HP Remote Assistant
Connector
WARNING
If the HP Remote Assistant is not installed and there is no jumper on PS REMOTE
and PS ON, the system will NOT power up.
System Board Switch SW1
SW1 Default Settings:
Off
On
1
2
3
4
5
6
7
8
Flash Write Enable
Boot Lock Disable
Config Valid
Config Unlock
Password Enable
IO Control Enable
Video Enable
NMI LOG Enable
Switch
Function
Default
1
FLASH WRITE ENABLE
: Enables or disables one of the two levels of flash
ROM write protection (the other level of protection is controlled by the HP
Update Utility).
ON: The BIOS can be updated by the HP Update Utility.
OFF: The BIOS is locked and cannot be updated.
ON
2
BOOT BLOCK DISABLE:
Reserved. Must be set to ON for system to
operate properly.
ON