Appendix ep-3vwm – EPoX Computer EP-3VWM User Manual

Page 52

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Appendix

EP-3VWM

B-2

3. Reset keyboard for Winbond 977 series Super I/O

chips.

0Ch

Reserved

0Dh

Reserved

0Eh

Test F000h segment shadow to see whether it is R/W-

able or not. If test fails, keep beeping the speaker.

0Fh

Reserved

10h

Auto detect flash type to load appropriate flash R/W

codes into the run time area in F000 for ESCD & DMI

support.

11h

Reserved

12h

Use walking 1’s algorithm to check out interface in

CMOS circuitry. Also set real-time clock power status,

and then check for override.

13h

Reserved

14h

Program chipset default values into chipset. Chipset

default values are MODBINable by OEM customers.

15h

Reserved

16h

Initial Early_Init_Onboard_Generator switch.

17h

Reserved

18h

Detect CPU information including brand, SMI type

(Cyrix or Intel) and CPU level (586 or 686).

19h

Reserved

1Ah

Reserved

1Bh

Initial interrupts vector table. If no special specified, all

H/W interrupts are directed to PURIOUS_INT_HDLR

& S/W interrupts to SPURIOUS_soft_HDLR.

1Ch

Reserved

1Dh

Initial EARLY_PM_INIT switch.

1Eh

Reserved

1Fh

Load keyboard matrix (notebook platform)

20h

Reserved

21h

HPM initialization (notebook platform)

22h

Reserved

23h

1. Check validity of RTC value: e.g. a value of 5Ah is an

invalid value for RTC minute.

2. Load CMOS settings into BIOS stack. If CMOS

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