31

Checkpoint Code

Description

 

 

38

Initializes different devices through DIM.

 

 

39

Initializes DMAC-1 and 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. Dis-

 

play 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 imple-

 

mentation that needs an adjustment in system RAM

 

size if needed.

 

 

52

Updates CMOS memory size from memory found in

 

memory test. Allocates 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.

 

 

84

Log errors encountered during POST.

 

 

85

Display errors to the user and gets the user response

 

for error.

 

 

87

Execute BIOS setup if needed / requested.

 

 

8C

Late POST initialization of chipset registers.

 

 

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Acer Altos G310 manual Initializes DMAC-1 and DMAC-2