64 Intel® Server Board S3420GPRX User Guide
• If using ATA drives, verify the master/slave settings are set correctly. Refer to your
drive documentation for details on setting the master/slave settings.
• If using a RAID configuration with SCSI or SATA drives, make sure the RAID card
is installed correctly.
Bootable CD-ROM Disk Is Not Detected
Check the following:
• Make sure the BIOS is configured to allow the CD-ROM to be the first bootable
device.
LED Information
The Intel
®
Server Board S3420GP includes LEDs that can aid in troubleshooting your
system. The following table lists these LEDs and provides a description of their use.
Table 11. LED Information
LED Name Function Location LED Color Notes
ID Aid in server
identification from the
back panel
Front panel
and board rear
left corner
Blue Press ID LED button or use
Server Management software
to turn the LED on and off.
System Fault Visible fault warning Front panel
and board rear
left corner
Green or
Amber
• On = No Fault
• Green Blink = degraded
• Amber = non-critical
Disk Activity Front panel Front panel
and board left
side
Green Blinking = Activity. No action
required.
POST Code
1-8
Display boot 80 POST
code
Left rear of
board
Each LED can
be Off, Green,
Amber, or Red
See the POST code table.
5-V Standby Identify 5-V standby
power on state
Front left
board
Amber On = 5-V standby power on
Power LED Identify the power state
of the system
Front panel Green • Off = Power is off (off or
S5)
• On = Power on or S0)
• Slow Blink = Low power
state (S1 - S3)