Dell 840 manual 27

Table 1-7. System Beep Codes (continued)

Code	Cause	Corrective Action
3-1-1	Slave DMA-register failure	Faulty system board. See "Getting Help" on
3-1-2	Master DMA-register failure	page 121.
3-1-3	Master interrupt-mask register
	failure
3-1-4	Slave interrupt-mask register failure
3-2-2	Interrupt vector loading failure
3-2-4	Keyboard-controller test failure
3-3-1	CMOS failure
3-3-2	System configuration check failure
3-3-3	Keyboard controller not detected
3-3-4	Video memory test failure
3-4-1	Screen initialization failure
3-4-2	Screen-retrace test failure
3-4-3	Video ROM search failure
4-2-1	No timer tick	Faulty system board. See "Getting Help" on
4-2-2	Shutdown test failure	page 121.
4-2-3	Gate A20 failure
4-2-4	Unexpected interrupt in protected	See "Troubleshooting Expansion Cards" on
	mode	page 108.
4-3-1	Improperly installed or faulty	See "Troubleshooting System Memory" on
	memory modules	page 100.

4-3-2 No memory modules installed in the first memory module connector

Install a memory module in the first memory module connector. See "Memory" on page 76.

4-3-3	Faulty system board	Faulty system board. See "Getting Help" on
		page 121.
4-3-4	Time-of-day clock stopped	See "Troubleshooting System Memory" on
		page 100.
		If the problem persists, see "Getting Help" on
		page 121.
4-4-1	Super I/O chip failure; faulty system	Faulty system board. See "Getting Help" on
	board	page 121.
4-4-4	Cache test failure; faulty processor	See "Troubleshooting the Microprocessor" on
		page 109.

About Your System 27