Appendix
EP-3S1A
A-6
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 1s 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
Summary of Contents for EP-3S1A
Page 6: ...EP 3S1A Page Left Blank ...
Page 14: ...Introduction EP 3S1A Page 1 8 Figure 5 System Block Diagram System Block Diagram ...
Page 17: ...Installation EP 3S1A Page 3 1 Section 3 INSTALLATION ...
Page 18: ...Installation EP 3S1A Page 3 2 Figure 1 EP 3S1A Detailed Layout ...
Page 32: ...Installation EP 3S1A Page 3 16 Page Left Blank ...
Page 61: ...Drivers Installation EP 3S1A Page 5 2 Page Left Blank ...
Page 73: ...Appendix EP 3S1A A 12 Page Left Blank ...