Dell PowerEdge NM176 Hardware Owner's Manual page 33

Table 1-6. System Beep Codes (continued)
Code Cause
3-1-1 Slave DMA-register failure
3-1-2 Master DMA-register failure
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
4-2-2 Shutdown test failure
4-2-3 Gate A20 failure
4-2-4 Unexpected interrupt in
protected mode
4-3-1 Improperly installed or faulty
memory modules
4-3-2 No memory modules installed
in the first memory module
connector
Corrective Action
Faulty system board. See "Getting Help"
on page 127.
Faulty system board. See "Getting Help"
on page 127.
See "Troubleshooting Expansion Cards"
on page 113.
See "Troubleshooting System Memory" on
page 108.
Install a memory module in the first
memory module connector. See "System
Memory" on page 81.
About Your System
33