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64 Chapter 4
23 DEBUG_POST_TEST_BATT_CMOS_
SUM
Test Battery Fail & check CMOS X-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
POST Code Macro Name Description