Front panel board
9
Front panel board
The front panel board supports the LEDs and buttons accessible from the front
panel. The buttons and LEDs on the front panel board are shown and
described below.
Front panel connector
connects the controls on the front panel with the
system board.
Power LED
glows green whenever the system is turned on. The LED also
flashes when the system is in sleep mode.
Network activity LED
lights whenever there is activity on the network.
System fault LED
flashes whenever the system logs a failure.
Disk activity LEDs
glow green whenever the hard disk is actively reading or
writing data and glow amber if the disk fails.
Backplane connector
carries signals from the hot-plug backplane to the
control panel.
NMI switch
allows a technician servicing the server to generate a
non-maskable interrupt (NMI) to help debug server errors.
Reset button
lets you reset the server if it has become nonresponsive.
Sleep button
lets you put the server into sleep mode to reduce power
consumption.
Power button
turns the server on and off.
Power LED
Disk activity/fail LEDs
Reset
button
Power
button
Sleep
button
Network activity LED
Backplane
connector
Front panel connector
System fault LED
NMI
switch
ID0
ID1
ID2
ID3
8506162.book Page 9 Wednesday, May 10, 2000 10:21 AM
Summary of Contents for 7250R
Page 1: ...A MAN US 7250R SYS RACK GDE R0 4 00 7250R Server System Manual ...
Page 5: ...iv 8506162 book Page iv Wednesday May 10 2000 10 21 AM ...
Page 23: ...16 System Setup 8506162 book Page 16 Wednesday May 10 2000 10 21 AM ...
Page 29: ...22 Case Access 8506162 book Page 22 Wednesday May 10 2000 10 21 AM ...
Page 81: ...74 Using the BIOS Setup Utility 8506162 book Page 74 Wednesday May 10 2000 10 21 AM ...
Page 121: ...114 Safety Regulatory and Notices 8506162 book Page 114 Wednesday May 10 2000 10 21 AM ...
Page 135: ...A MAN US 7250R SYS RACK GDE R0 4 00 7250R Server System Manual ...