Filter
Top Products
About Your System 27
3-1-1 Slave DMA-register failure Faulty system board. See "Getting Help" on
page 121.
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 Faulty system board. See "Getting Help" on
page 121.
4-2-2 Shutdown test failure
4-2-3 Gate A20 failure
4-2-4 Unexpected interrupt in protected
mode
See "Troubleshooting Expansion Cards" on
page 108.
4-3-1 Improperly installed or faulty
memory modules
See "Troubleshooting System Memory" on
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
board
Faulty system board. See "Getting Help" on
page 121.
4-4-4 Cache test failure; faulty processor See "Troubleshooting the Microprocessor" on
page 109.
Table 1-7. System Beep Codes (continued)
Code Cause Corrective Action