Acer 2400 User Manual

Chapter 4

63

Boot Loader--BLOAD.ASM

00

DIAG_SYSTEM_INIT

Boot started, check motherboard power is stable.

01

DIAG_A20_DISABLE

Disable A20 through A20

02

DIAG_INIT_CHIPSET

Initialize Chipset

03

DIAG_TEST_RAM

Test the basic 640k RAM

04

DIAG_MOVE_BB_LOADER

Move boot load segment into the RAM

05

DIAG_EXECUTE_IN_DRAM

program execution from DRAM

06

DIAG_USER_FLASH_CHECK

Test print port for check crisis option is enable or 
disable

07

DIAG_SHADOW_BIOS

Decompress the system BIOS, and Shadow 
System BIOS to RAM

08

DIAG_CHECKSUM_BIOS

Checksum System BIOS ROM

09

DIAG_NORMAL_BOOT

Jump to the reset point

0A

DIAG_CRISIS_BOOT

Proceed with Crisis Boot, first initial super I/O 
and boot device

0F

DIAG_FATAL_ERROR

Fatal Error, like the RAM error or ROM error

CC

DIAG_CRISIS_BEGIN

Start process the Crisis recovery procedure

99

DIAG_RESUME_RAM_ERROR

Resume SMRAM not Found

POST DIAG -- BIOSPINE.ASM

10

DEBUG_MISC_RESET

Disable internal cache ram, and reset cpu

11

DEBUG_CS_FAST_A20_RESET

Turn off FASTA20 for post, and check have 
keyboard

12

DEBUG_POST_SIGNAL_POR

Initial PIC enable INT and Signal Power On 
Reset

13

DEBUG_CS_CHIP_INIT

Initialize the Chipset and hook PCI BIOS

14

DEBUG_OEM_ISA_VGA_SEARCH

Search For ISA Bus VGA Adapter, from address 
c000 to e000

15

DEBUG_HWIO_SETUP_CTC1

Initialize Counter and Timer chip

16

DEBUG_OEM_SET_CMOS_REGS

User register config through CMOS

17

DEBUG_CS_MEMORY_SIZE

Size Memory, and detect memory timing, setup 
memory controllor

18

DEBUG_POST_TEST_RAM

Initialize and test the first 64k memory

19

DEBUG_GEN_TEST_ROMS

checksum the system ROM

1A

DEBUG_HWIO_RESET_INTS

Reset PIC's status

1B

DEBUG_VIDEO_VIDEO_INIT

Initialize Video Adapter(s),and check vga rom 
and  vga ram

1C

DEBUG_VIDEO_EQUIP_INIT

Initialize Video (6845 Regs),set display mode

1D

DEBUG_VIDEO_COLOR_INIT

Initialize Color Adapter, and setup display reg.

1E

DEBUG_VIDEO_BW_INIT

Initialize Monochrome Adapter, and setup 
display reg.

1F

DEBUG_HWIO_TEST_DMA_PAG

Send out some value, to test 8237A Page 
Registers 

20

DEBUG_KEYB_SELFTEST_CTLR

Send self test command (AAH) to test Keyboard 
controller. If o.k. return (55h)

21

DEBUG_KEYB_RESET_KEYBOARD

Test Keyboard Controller and initialize keyboard                                     
controller.

22

DEBUG_POST_CHECK_CMOS_RA
M

Send test petten to Check CMOS Ram