There are the following processor fault and interrupt services:
| Service | Description |
| Get_Fault_Hook_Addrs | Returns addresses for fault handlers. |
| Get_NMI_Handler_Addr | Returns NMI handler address. |
| Hook_Invalid_Page_Fault | Installs a hook procedure for page faults. |
| Hook_NMI_Event | Installs an NMI event procedure. |
| Hook_PM_Fault | Installs a fault handler for protected mode. |
| Hook_V86_Fault | Installs a fault handler for V86 mode. |
| Hook_VMM_Fault | Installs a fault handler for VMM. |
| Set_NMI_Handler_Addr | Sets the NMI handler address. |
| Unhook_Invalid_Page_Fault | Removes a hook procedure for page faults. |