Dell Vostro 460, Service Manual

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Beep Codes
The system can emit a series of beeps during start-up if the display cannot show errors or problems.
These series of beeps, called beep codes, identify various problems.
1. 3 means 3-3-3-3...That is 3 beeps and 3 beeps and ...: Endless looping until user presses the
power button to shut down the system.
2. The delay between each beep is 300 ms, The delay between each set of beeps is 3 sec, the beep
sound lasts 300 ms.
3. After each beep and each set of beeps, the BIOS should detect if the user presses the power
button, if so, BIOS will jump out from looping and execute the normal shutdown process and power
system.
Power LED
Status
BeepDescription Failure
Coverage
1 BIOS ROM
checksum in
progress or
failure. BIOS
Chip
System board
failure. Covers
BIOS corruption
or ROM error
2 No RAM
Detected
No memory
detected
3
Chipset
Error
(North
and
South
Bridge
Chipset
,
DMA/IM
R/Timer
Error
for Intel
platfor
m);
Chipset
Error
Time-
Of-Day
Clock
test
failure.
Gate
A20
failure
Super
I/O chip
failure
Keyboa
rd
controll
er test
failure.
System board
Failure ( Power
LED Blinking
Amber )