POST Code

Macro Name

Description

 

 

 

23

DEBUG_POST_TEST_BATT_CMOS_

Test Battery Fail & check CMOS X-SUM

 

SUM

 

 

 

 

24

DEBUG_HWIO_TEST_DMA_CTLRS

Use DMA to copy data for Test the DMA

 

 

controllers

 

 

 

25

DEBUG_HWIO_INIT_8237

Initialize 8237A Controller

 

 

 

26

DEBUG_POST_INIT_VECS

Install and Initialize interrupt Vectors

 

 

 

27

DEBUG_RAM_QUICK_SIZE

Enter memory protect mode, use change RAM

 

 

bank to do RAM Quick Sizing

 

 

 

28

DEBUG_RAM_PROT_ENTRY_1

Memory protected mode entered safely

 

 

 

29

DEBUG_RAM_SIZE_DONE

Test the basic 640k ram , RAM test completed

 

 

 

2A

DEBUG_RAM_PROT_EXIT

Protected mode exit successful

 

 

 

2B

DEBUG_CS_SHADOW_SETUP

Shadow system and video BIOS to RAM, if

 

 

CMOS requests shadow

 

 

 

2C

DEBUG_VIDEO_EQUIP_INIT_INIT

Going To Initialize 6845 CRT controllor

 

 

 

2D

DEBUG_VIDEO_BW_SEARCH

Search For Monochrome Adapter

 

 

 

2E

DEBUG_VIDEO_COLOR_SEARCH

Search For Color Adapter

 

 

 

2F

DEBUG_VIDEO_SIGNON

Signon messages displayed

 

 

 

30

DEBUG_OEM_CONFIG_KBD_CTL

For special initialize of keyboard controller

 

 

 

31

DEBUG_KEYB_PRESENT_TEST

Test the keyboard controllor , If Keyboard

 

 

Present

 

 

 

32

DEBUG_KEYB_TEST_IRQ1

Clear keyboard buffer and send keyboard

 

 

command to test Keyboard Interrupt

 

 

 

33

DEBUG_KEYB_TEST_CMD

Send keyboard command to turn off keyboard

 

 

LED

 

 

and Test some Keyboard Command Byte

 

 

 

34

DEBUG_RAM_FULL_TEST

TEST memory procedure, for test, blank and

 

 

count all RAM

 

 

 

35

DEBUG_RAM_PROT_ENTRY_2

Eneter the memory protected mode for test all

 

 

expand memory

 

 

 

36

DEBUG_RAM_TEST_DONE

Test and blank all memory complete

 

 

 

37

DEBUG_RAM_PROT_EXIT_2

Switch the memory from Protected mode to real

 

 

mode

 

 

 

38

DEBUG_KEYB_OUTPUT_PORT

Disable A20 status for memory test finish

 

 

 

39

DEBUG_CS_CACHE_SETUP

Setup Cache Controller

 

 

 

3A

DEBUG_HWIO_TEST_PERIODIC

Check and test the timer 0 interrupt function is

 

 

Working

 

 

 

3B

DEBUG_GEN_CHECK_RTC

test for RTC ticking

 

 

 

3C

DEBUG_GEN_INIT_HARD_VECS

Install and initialize the hardware vectors

 

 

 

3D

DEBUG_MOUSE_INIT

Clear keyboard buffer for search and Init the

 

 

Mouse

 

 

 

3E

DEBUG_KEYB_SET_LEDS_1

Send keyboard command to Update keyboard

 

 

NUMLOCK status

 

 

 

3F

DEBUG_OEM_DEVICE_CONFIG

special init of COMM and LPT ports

 

 

 

40

DEBUG_CS_CONFIG_PORTS

Configure the COMM and LPT ports

 

 

 

41

DEBUG_FLOP_INIT

According cmos data to initialize the floppies

 

 

 

42

DEBUG_WINI_INIT

Scan and initialize the hard disk, and display the

 

 

result n crt

 

 

 

43

DEBUG_HWIO_ROM_INIT

Search option rom from c800 to e000 and to

 

 

Initialize option ROMs

 

 

 

64

Chapter 4

Page 71
Image 71
Acer 3210 Debugposttestbattcmos, SUM Debughwiotestdmactlrs, DEBUGHWIOINIT8237, Debugpostinitvecs, Debugramquicksize, Led

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