Filter
Top Products
Diagnostics tools 114
Error code Error message Corrective action/description
0270 Real time clock error Real-Time Clock (RTC) fails BIOS hardware test. May require
board repair.
0271 Check date and time settings BIOS found date or time is out of range. May require setting
legal date (1991-2099).
Access Setup and check the values in the System Time and
System Date fields of the Main menu.
0280 Previous boot incomplete -
Default configuration used
Initial bootup failed. BIOS automatically loads the default system
values and then boots again.
0281 Memory size found by POST
differed from CMOS
The user added or removed a memory module, thus the system
memory size is different from the previous bootup value.
02D0 System cache error - Cache
disabled
Processor error. Replace the processor.
02F0 CPU ID: –
02F4 EISA CMOS not writeable System board failure. Replace the system board.
02F5 DMA Test Failed The DMA control test failed.
02F6 Software NMI Failed An NMI signal is detected.
POST related troubleshooting
Perform the following procedures when POST fails to run, displays error messages, or emits beep
codes.
If the POST failure is during a routine boot up, check the following:
• All external cables and power cables should be firmly plugged in.
• The power outlet to which the server is connected and is working.
• The server and monitor are both turned on. The bicolor status LED indicator on the front panel
must be lit up green.
• The monitor's contrast and brightness settings are correct.
• All internal cables are properly connected and all boards are firmly seated.
• The processor is fully seated in its socket on the system board.
• The heat sink is properly installed on top of the processor.
• All memory modules are properly installed.
• If you have installed a PCI expansion board, verify that the board is firmly seated and any
switches or jumpers on the board are properly set. Refer to the documentation provided with the
expansion board.
• All system cables are securely connected and are in their proper order.
• If you have changed any switches on the system board, verify that each is properly set.