User’s Manual

 

 

 

 

 

POST Code (hex)

Description

 

 

 

 

 

 

28h

Reserved

 

 

 

1. Program CPU internal MTRR (P6 & PII) for 0-640K memory address.

 

 

 

2. Initialize the APIC for Pentium class CPU.

 

 

29h

3. Program early chipset according to CMOS setup. Example: onboard IDE

 

 

controller.

 

 

 

 

 

 

4. Measure CPU speed.

 

 

 

5. Invoke video BIOS.

 

 

2Ah

Reserved

 

 

2Bh

Reserved

 

 

2Ch

Reserved

 

 

 

1. Initialize multi-language

 

 

2Dh

2. Put information on screen display, including Award title, CPU type, CPU

 

 

 

speed ….

 

 

2Eh

Reserved

 

 

2Fh

Reserved

 

 

30h

Reserved

 

 

31h

Reserved

 

 

32h

Reserved

 

 

33h

Reset keyboard except Winbond 977 series Super I/O chips.

 

 

34h

Reserved

 

 

35h

Reserved

 

 

36h

Reserved

 

 

37h

Reserved

 

 

38h

Reserved

 

 

39h

Reserved

 

 

3Ah

Reserved

 

 

3Bh

Reserved

 

 

3Ch

Test 8254

 

 

3Dh

Reserved

 

 

3Eh

Test 8259 interrupt mask bits for channel 1.

 

 

3Fh

Reserved

 

 

40h

Test 8259 interrupt mask bits for channel 2.

 

 

41h

Reserved

 

 

42h

Reserved

 

 

43h

Test 8259 functionality.

 

 

44h

Reserved

 

 

45h

Reserved

 

 

46h

Reserved

 

 

47h

Initialize EISA slot

 

 

48h

Reserved

 

 

 

 

 

100ECB-862/862L User’s Manual