Dell Studio 1555 (Early 2009) - Manual (Page 30)

28
Solving Problems
Number
of Beeps Description Failure
Coverage
3 Chipset Error
(North and South
Bridge Chipset,
DMA/IMR/Timer
Error for Intel
platform); Chipset
Error
Motherboard
Failure
Time-Of-Day Clock
test failure
Gate A20 failure
Super I/O chip
failure
Keyboard
controller test
failure
4 RAM Read/Write
failure
Memory
failure
Number
of Beeps Description Failure
Coverage
5 RTC Power Fail CMOS
battery
failure
6 Video BIOS Test
Failure
Video card
failure
7 CPU Cache test
failure (For Intel
CPU only)
CPU failure
8 LCD LCD failure