HP LH4r HP Netserver Service Handbook, Volume 2 - Mid - Page 152

Control Panel Description, Control Panel Connector J1

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Control Panel Description Hard Disk Activity Light 1 Yellow = Embedded SCSI A or IDE bus active Power-On Light Green = Power is on Power Button Reset Button Hard Disk Activity Light 2 Yellow = Embedded SCSI B bus active Keyboard Lock Light Yellow = Keyboard is locked Keyboard Lock Button LCD Power Button Power-On Light Reset Button Hard Disk Activity Light 1 Hard Disk Activity Light 2 Keyboard Lock Button Keyboard Lock Light LCD Turns the NetServer on and off. Note that when the NetServer is turned off, the power to the internal circuitry and mass storage devices is disabled; however, AC power is still applied to the power supply. Always disconnect the power cord before removing the cover. Turns green when the NetServer is on. Restarts the NetServer. You can press this button if the NetServer "hangs"or "locks up"- it has the same effect as turning the NetServer off and on. Save any work before pressing the reset button. Any information not saved is lost when the NetServer resets. Yellow indicates activity on the Embedded SCSI A bus or IDE bus. Yellow indicates activity on the Embedded SCSI B bus. Prevents unauthorized use of the keyboard. Press the keyboard lock button to lock the keyboard. Enter the password to unlock the keyboard. Turns yellow when the keyboard is locked. Displays the Power-On Self-Test (POST) or system messages. Control Panel Connector J1 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. 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. 144

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144
Control Panel Description
Power-On Light
Green = Power is on
Power Button
Reset Button
Keyboard Lock Button
Keyboard Lock Light
Yellow = Keyboard
is locked
Hard Disk Activity Light 1
Yellow = Embedded SCSI A
or IDE bus active
Hard Disk Activity Light 2
Yellow = Embedded SCSI
B bus active
LCD
Power Button
Turns the NetServer on and off. Note that when the NetServer is
turned off, the power to the internal circuitry and mass storage
devices is disabled; however, AC power is still applied to the power
supply.
Always disconnect the power cord before removing the
cover.
Power-On Light
Turns green when the NetServer is on.
Reset Button
Restarts the NetServer. You can press this button if the NetServer
“hangs”or “
locks up”—
it has the same effect as turning the
NetServer off and on. Save any work before pressing the reset
button. Any information not saved is lost when the NetServer resets.
Hard Disk Activity Light 1
Yellow indicates activity on the Embedded SCSI A bus or IDE bus.
Hard Disk Activity Light 2
Yellow indicates activity on the Embedded SCSI B bus.
Keyboard Lock Button
Prevents unauthorized use of the keyboard. Press the keyboard lock
button to lock the keyboard. Enter the password to unlock the
keyboard.
Keyboard Lock Light
Turns yellow when the keyboard is locked.
LCD
Displays the Power-On Self-Test (POST) or system messages.
Control Panel Connector J1
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.
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.