IBM EP-8KTA specifications Reset keyboard for Winbond 977 series Super I/O

Appendix	EP-8KTA
	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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