EMAC Em104P-i8523, User Manual, Page: 54 / 63

BIOS
52
20h Reserved
21h HPM initialization (notebook platform)
22h Reserved
23h
Check validity of RTC value; Load CMOS settings into BIOS
stack. If CMOS checksum fails, use default value instead; Prepare
BIOS resource map for PCI & PnP use. If ESCD is valid, take into
consideration of the ESCD's legacy information; Onboard clock
generator initialization. Disable respective clock resource to empty
PCI & DIMM slots; Early PCI initialization - Enumerate PCI bus
number, assign memory & I/O resource, search for a valid VGA device
& VGA BIOS, and put it into C000:0
24h Reserved
25h Reserved
26h Reserved
27h Initialize INT 09 buffer
28h Reserved
29h
Program CPU internal MTRR (P6 & PII) for 0-640K memory address;
Initialize the APIC for Pentium class CPU; Program early chipset
according to CMOS setup; Measure CPU speed; Invoke video BIOS
2Ah Reserved
2Bh Reserved
2Ch Reserved
2Dh Initialize multilanguage; Put information on screen display, including
Award title, CPU type, CPU speed, etc...
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 9259 interrupt mask bits for channel 2
41h Reserved
42h Reserved
43h Test 8259 functionality
44h Reserved
45h Reserved
46h Reserved