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CHAPTER 6: Troubleshooting
68
LED information
See the following table for a description of this server’s LEDs and the information they provide:
4 System board timer not operational. Possible system board malfunction. To eliminate
the possibility of an add in-card problem,
remove all expansion cards.
If the beep code occurs even when all expansion
cards have been removed, the system board is
at fault.
If the beep code does not occur when the
expansion cards have been removed, one of the
cards is causing the problem. Install the cards
one at a time until the problem happens again.
When the beep code returns, the most recent
card you installed is at fault.
5 A processor on the system board generated an
error.
Remove one of the processors if two are
installed, then try a known good processor in
the first socket.
Same as for 4 beeps.
6 The keyboard controller (8042) may be
defective. The BIOS cannot switch to Protected
mode.
Remove the keyboard to see if the error goes
away. If it does, try a known good keyboard.
Same as for 4 beeps.
7 General exception error (processor exception
error).
Same as for 5 beeps
8 Display memory error (system video adapter). If the system video adapter is an add-in card,
replace or reseat the video adapter. If the video
adapter is integrated into the system board, the
board may be faulty. Try using an add-in card.
9 The ROM checksum value does not match the
value encoded in the BIOS.
Same as for 4 beeps.
10 The shutdown register for CMOS RAM failed. Same as for 4 beeps.
11 The cache memory test failed. Same as for 4 beeps.
LED Name Function Location Color Description
ID Aid in server
identification
Front panel and
back of system
board
Yellow
(front)
Blue (back)
On - Server identification
enabled
System Fault Visible fault
warning
Front panel Red Off - No fault
Blinking - Non-critical system
fault
On - Critical system fault
Hard drive tray Indicate drive
status and activity
On each hard drive
tray
Blue or Red Blue (On) - Hard drive okay
Blue (Blinking) - Hard drive
activity
Red (On) - Hard drive fault
Red (Blinking) - Hard drive
rebuilding
Off - No hard drive
LAN (front) Identify NIC status Front panel Blue On - LAN link for any NIC
Blinking - LAN activity for any
NIC
Off - No link for any NIC
Beeps Description Troubleshooting steps