Back-panel indicators and features, Table 2, Identified. see – Dell PowerEdge SC 430 User Manual
Page 11: Diagnostics indicator codes

The front panel also incorporates two USB 2.0 connectors. See
.
Diagnostics Indicator Codes
lists the causes and possible corrective
actions associated with these codes. A highlighted circle indicates the light is on; a non-highlighted circle indicates the light is off.
Table 2-2. Diagnostic Indicator Codes
Back-Panel Indicators and Features
Green blinking
Diskette drive Green blinking
Indicates diskette-drive activity.
Hard drive
Green blinking
Indicates hard-drive activity.
LAN link
Solid green
Indicates network is linked.
NOTE:
Once the system completes POST, all diagnostic lights will be OFF.
Code
Causes
Corrective Action
Possible processor failure.
See "
Troubleshooting the Microprocessor
" in "Troubleshooting Your System."
Memory failure.
See "
Troubleshooting System Memory
" in "Troubleshooting Your System."
Possible expansion card failure.
See "
Troubleshooting Expansion Cards
" in "Troubleshooting Your System."
Possible video failure.
See "
Getting Help
."
Diskette drive or hard drive failure.
Ensure that the diskette drive and hard drive are properly connected. See "
Installing Drives
"
for information on the drives installed in your system.
Possible USB failure.
See "
Troubleshooting a USB Device
" in "Troubleshooting Your System."
No memory modules detected.
See "
Troubleshooting System Memory
" in "Troubleshooting Your System."
System board failure.
See "
Getting Help
."
Memory configuration error.
See "
Troubleshooting System Memory
" in "Troubleshooting Your System."
Possible system board resource and/or
system board hardware failure.
See "
Troubleshooting IRQ Assignment Conflicts
" in "Troubleshooting Your System." If the
problem persists, see "
Getting Help
."
Possible system resource configuration
error.
See "
Troubleshooting Your System
."
If the problem persists, see "
Getting Help
."
Other failure.
Ensure that the diskette drive, optical drive, and hard drives are properly connected. See
"
Troubleshooting Your System
" for the appropriate drive installed in your system.
If the problem persists, see "
Getting Help
."
BIOS checksum failure detected; system is
in recovery mode.
Ensure that all network cards and connections are functioning properly. See "
Troubleshooting
Your System
."
If the problem persists, see "
Getting Help
."
The system is in a normal operating
condition after POST.
Information only.