protech ProX-1635LF - Page 100

Appendix C Trouble Shooting
Prox-1635LF USER ′ S MANUAL
Page: C-11
24h :
Reserved
25h :
Reserved
26h :
Reserved
27h :
Initialize INT 09 buffer
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.