Acer Aspire L100 Technical Information PDF herunterladen (Seite 63)

Chapter 4 59

03h Initial Superio_Early _Init switch

04h Reserved

05h 1. Blank out screen

2. Clear CMOS error flag

06h Reserved

07h 1. Clear 8042 interface

2. Initialize 8042 self-test

08h 1. Test special keyboard controller for Winbond 977 series Super I/O chips.

2. Enable keyboard interface.

09h Reserved

0Ah 1. Disable PS/2 mouse interface (optional)

2. Auto detect ports for keyboard & mouse followed by a port & interface swap

(optional).

3. Reset keyboard for Winbond 977 series Super I/Q chips.

0Bh Reserved

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 SPURIOUS_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

Checkpoint Description

1 2 ... 58 59 60 61 62 63 64 65 66 67 68 ... 81 82

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