Error Messages and Beep Codes
Table 35. Port 80h POST Codes (continued)
POST Code | Description of POST Operation |
|
|
| Keyboard (PS/2 or USB) |
|
|
90 | Resetting keyboard |
|
|
91 | Disabling keyboard |
|
|
92 | Detecting presence of keyboard |
|
|
93 | Enabling the keyboard |
|
|
94 | Clearing keyboard input buffer |
|
|
95 | Instructing keyboard controller to run Self Test (PS/2 only) |
|
|
| Mouse (PS/2 or USB) |
|
|
98 | Resetting mouse |
|
|
99 | Disabling mouse |
|
|
9A | Detecting presence of mouse |
|
|
9B | Enabling mouse |
|
|
| Fixed Media |
|
|
B0 | Resetting fixed media |
|
|
B1 | Disabling fixed media |
|
|
B2 | Detecting presence of a fixed media (IDE hard drive detection etc.) |
|
|
B3 | Enabling/configuring a fixed media |
|
|
| Removable Media |
|
|
B8 | Resetting removable media |
|
|
B9 | Disabling removable media |
|
|
BA | Detecting presence of a removable media (IDE, |
|
|
BC | Enabling/configuring a removable media |
|
|
| BDS |
|
|
Dy | Trying boot selection y (y=0 to 15) |
|
|
| PEI Core |
|
|
E0 | Started dispatching PEIMs (emitted on first report of EFI_SW_PC_INIT_BEGIN |
| EFI_SW_PEI_PC_HANDOFF_TO_NEXT) |
|
|
E2 | Permanent memory found |
|
|
E1, E3 | Reserved for PEI/PEIMs |
|
|
| DXE Core |
|
|
E4 | Entered DXE phase |
|
|
E5 | Started dispatching drivers |
|
|
E6 | Started connecting drivers |
|
|
continued
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