CHAINTECH CT-7NJS User Manual page 38

POST (hex)
1. Initialize multi-language.
2D 2. Put information on screen display, including Award title,
CPU type, and CPU speed.
Reset keyboard except Winbond 977 series Super I/O
33
chips.
3C Test 8254
3E Test 8259 interrupt mask bits for channel 1.
40 Test 8259 interrupt mask bits for channel 2.
43 Test 8259 functionality.
47 Initialize EISA slot
1. Calculate total memory by testing the last double word
49 of each 64K page.
2. Program writes allocation for AMD K5 CPU.
1. Program MTRR of M1 CPU
2. Initialize L2 cache for P6 class CPU & program CPU
with proper cacheable range.
4E 3. Initialize the APIC for P6 class CPU.
4. On MP platform, adjust the cacheable range to smaller
one in case the cacheable ranges between each CPU are
not identical.
50 Initialize USB
52 Test all memory (clear all extended memory to 0)
55 Display number of processors (multi-processor platform)
1. Display PnP logo.
57 2. Early ISA PnP initialization
- Assign CSN to every ISA PnP device.
59 Initialize the combined Trend Anti-Virus code.
(Optional Feature) Show message for entering AwdFlash.EXE
5B
from FDD (optional)
1. Initialize Init_Onboard_Super_IO switch.
5D
2. Initialize Init_Onbaord_AUDIO switch.
Appendix
Digidoc 80-Port POST Error Code List
Description
69
Digidoc 80-Port POST Error Code List
POST (hex)
Okay to enter Setup utility; i.e. not until this POST stage
60
can users enter the CMOS setup utility.
65 Initialize PS/2 Mouse
Prepare memory size information for function call: INT
67
15h ax=E820h
69 Turn on L2 cache
Program chipset registers according to items described in
6B
Setup & Auto-configuration table.
1. Assign resources to all ISA PnP devices.
6D 2. Auto assign ports to onboard COM ports if the
corresponding item in Setup is set to "AUTO".
1. Initialize floppy controller.
6F
2. Set up floppy related fields in 40:hardware.
(Optional Feature) Enter AWDFLASH.EXE if:
73 - AwdFlash is found in floppy drive.
- ALT+F2 is pressed.
Detect & install all IDE devices: HDD, LS120, ZIP,
75
CDROM
77 Detect serial ports & parallel ports.
7A Detect & install co-processor
1. Switch back to text mode if full screen logo is supported
- If errors occur, report errors & wait for keys.
7F
- If no errors occur or F1 key is pressed to continue:
w/Clear EPA or customization logo.
1. Call chipset power management hook.
2. Recover the text fond used by EPA logo (not for full
82
screen logo)
3. If password is set, ask for password.
83 Save all data in stack back to CMOS
84 Initialize ISA PnP boot devices.
70
Appendix
Description