Intel Desktop Board D925XCV/D925XBC Technical Product Specification
Table 51. Runtime Code Uncompressed in F000 Shadow RAM (continued)
Code | Description of POST Operation |
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84 | |
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85 | Memory size check done. To display soft error and check for password or bypass setup. |
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86 | Password checked. About to do programming before setup. |
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87 | Programming before setup complete. To uncompress SETUP code and execute CMOS setup. |
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88 | Returned from CMOS setup program and screen is cleared. About to do programming after setup. |
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89 | Programming after setup complete. Going to display |
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8B | First screen message displayed. <WAIT...> message displayed. PS/2 Mouse check and |
| extended BIOS data area allocation to be done. |
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8C | Setup options programming after CMOS setup about to start. |
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8D | Going for hard disk controller reset. |
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8F | Hard disk controller reset done. Floppy setup to be done next. |
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91 | Floppy setup complete. Hard disk setup to be done next. |
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95 | Init of different buses optional ROMs from C800 to start. (See Section 4.3 for details of different |
| buses.) |
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96 | Going to do any init before C800 optional ROM control. |
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97 | Any init before C800 optional ROM control is over. Optional ROM check and control will be |
| done next. |
|
|
98 | Optional ROM control is done. About to give control to do any required processing after optional |
| ROM returns control and enable external cache. |
|
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99 | Any initialization required after optional ROM test over. Going to setup timer data area and printer |
| base address. |
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9A | Return after setting timer and printer base address. Going to set the |
|
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9B | Returned after |
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9C | Required initialization before Coprocessor is over. Going to initialize the Coprocessor next. |
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9D | Coprocessor initialized. Going to do any initialization after Coprocessor test. |
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9E | Initialization after Coprocessor test is complete. Going to check extended keyboard, keyboard ID |
| and |
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A2 | Going to display any soft errors. |
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A3 | Soft error display complete. Going to set keyboard typematic rate. |
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A4 | Keyboard typematic rate set. To program memory wait states. |
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A5 | Going to enable parity/NMI. |
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A7 | NMI and parity enabled. Going to do any initialization required before giving control to optional |
| ROM at E000. |
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A8 | Initialization before E000 ROM control over. E000 ROM to get control next. |
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A9 | Returned from E000 ROM control. Going to do any initialization required after E000 optional ROM |
| control. |
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AA | Initialization after E000 optional ROM control is over. Going to display the system configuration. |
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AB | Put INT13 module runtime image to shadow. |
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AC | Generate MP for multiprocessor support (if present). |
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AD | Put CGA INT10 module (if present) in Shadow. |
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|
| continued |
108