MSI IB-945GC User Manual
Page 54
4-4
System Resources
▍
Checkpoint
Description
13
Early POST initialization of chipset registers.
24
Uncompress and initialize any platform specific BIOS modules.
30
Initialize System Management Interrupt.
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.
2E
Initializes all the output devices.
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.
39
Initializes DMAC-1 & DMAC-2.
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, EBDA…etc.
50
Programming the memory hole or any kind of implementation that
needs an adjustment in system RAM size if needed.
52
Updates CMOS memory size from memory found in memory test. Al-
locates memory for Extended BIOS Data Area from base memory.
60
Initializes NUM-LOCK status and programs the KBD typematic rate.
75
Initialize Int-13 and prepare for IPL detection.
78
Initializes IPL devices controlled by BIOS and option ROMs.
7A
Initializes remaining option ROMs.
7C
Generate and write contents of ESCD in NVRam.