POST Code Table
The following table lists the POST Code errors that are generated when a fatal error occurs during system boot.
Fatal Error Code | Description | Cause |
80 | No memory detected. | This error code implies that no memory is installed. |
81 | Memory detected but is not configurable. | This error code indicates memory configuration error that could be a result of bad memory, mismatched memory or bad socket. |
82 | Memory configured but not usable. | This error code indicates memory sub-system failure. |
83 | System BIOS shadow failure. | This error code indicates system BIOS shadow failure. |
84 | CMOS failure. | This error code indicates that CMOS RAM is not working. |
85 | DMA controller failure. | This error code indicates DMA controller failure. |
86 | Interrupt controller failure. | This error code indicates interrupt controller failure. |
87 | Timer refresh failure. | This error code indicates timer refresh failure. |
88 | Programmable interval timer error. | This error code indicates a programmable interval timer error. |
89 | Parity error. | This error code indicates a parity error. |
8A | SIO failure. | This error code indicates SIO failure. |
8B | Keyboard controller failure. | This error code indicates keyboard controller failure. |
8C | SMI initialization failure. | This error code indicates SMI initialization failure. |
C0 | Shutdown test failure. | This error code indicates a shutdown test failure. |
C1 | POST Memory test failure. | This error code indicates bad memory detection. |
C2 | RAC configuration failure. | Check screen for the actual error message. |
C3 | CPU configuration failure. | Check screen for the actual error message. |
C4 | Incorrect memory configuration. | Memory population order not correct. |
FE | General failure after video. | Check screen for the actual error message. |