Intel ECB-870 - Manual (Page 112)

User’s Manual
100 ECB-870 User’s Manual
POST Code (hex) Description
28h Reserved
29h
1. Program CPU internal MTRR (P6 & PII) for 0-640K memory address.
2. Initialize the APIC for Pentium class CPU.
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
2Dh
1. Initialize multi-language
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