Nvidia MCP 78S User Manual page 55

C1 Set up boot strap processor Information
C2 Set up boot strap processor for POST
C5 Enumerate and set up application processors
C6 Re-enable cache for boot strap processor
Early CPU Init Exit
C7
0A Initializes the 8042 compatible Key Board Controller.
Detects the presence of PS/2 mouse.
0B
0C Detects the presence of Keyboard in KBC port.
0E
Testing and initialization of different Input Devices. Also, update the
Kernel Variables.
Traps the INT09h vector, so that the POST INT09h handler gets control for
IRQ1. Uncompress all available language, BIOS logo, and Silent logo
modules.
13 Early POST initialization of chipset registers.
Relocate System Management Interrupt vector for all CPU in the system.
20
24
Uncompress and initialize any platform specific BIOS modules. GPNV is
initialized at this checkpoint.
2A
Initializes different devices through DIM.
See DIM Code Checkpoints section of document for more information.
2C
Initializes different devices. Detects and initializes the video adapter
installed in the system that have optional ROMs.
Initializes all the output devices.
2E
31
Allocate memory for ADM module and uncompress it. Give control to ADM
module for initialization. Initialize language and font modules for ADM.
Activate ADM module.
33
Initializes the silent boot module. Set the window for displaying text
information.
37
Displaying sign-on message, CPU information, setup key message, and any
OEM specific information.
38
Initializes different devices through DIM. See DIM Code Checkpoints
section of document for more information. USB controllers are initialized
at this point.
Initializes DMAC-1 & DMAC-2.
39
3A Initialize RTC date/time.
3B
Test for total memory installed in the system. Also, Check for DEL or ESC
keys to limit memory test. Display total memory in the system.
3C Mid POST initialization of chipset registers.
40
Detect different devices (Parallel ports, serial ports, and coprocessor in
CPU, ... etc.) successfully installed in the system and update the BDA,
51