Dell PP521 Dell Support website at, If the problem persists, contact Dell, See Contacting Dell on

Code	Description	Suggested Remedy
(repetitive
short beeps)
3	Chipset error.	Contact Dell (see "Contacting Dell" on
		page 141).
	Time-of-day clock test	• Replace the battery (see "Replacing the
	failure.	Battery" in the Service Manual on the
		Dell Support website at
		support.dell.com).
		• If the problem persists, contact Dell
		(see "Contacting Dell" on page 141).
	Gate A20 failure.	Contact Dell (see "Contacting Dell" on
	Possible motherboard	page 141).
	failure.
	Super I/O chip failure.	Contact Dell (see "Contacting Dell" on
	Possible motherboard	page 141).
	failure.

Keyboard controller test failure. Possible keyboard failure.

•Ensure that the cables are connected properly.

•If the problem persists, contact Dell (see

"Contacting Dell" on page 141).

4RAM Read/Write • Ensure that no special requirements for

failure.	memory module/connector placement
	exist (see "Memory" in the Service
	Manual on the Dell Support website at
	support.dell.com).
	• Ensure that the memory you are using is
	supported by your computer (see
	"Memory" in the Service Manual on the
	Dell Support website at
	support.dell.com).
	• If the problem persists, contact Dell (see
	"Contacting Dell" on page 141).

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