Epson ETX-945 User Manual

Page 36

Advertising
background image

ETX-945 User Manual 1.02

www.diamondsystems.com

Page 36

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 ( 86 or
686)

19-
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

23h

Check validity of RTC value; Load CMOS settings into BIOS stack. If CMOS checksum
fails, use default value instead; Prepare BIOS resource map for PCI & PnP use. If ESCD is
valid, take into consideration of the ESCD's legacy information; Onboard clock generator
initialization. Disable respective clock resource to empty PCI & DIMM slots; Early PCI
initialization - Enumerate PCI bus number, assign memory & I/O resource, search for a
valid VGA device & VGA BIOS, and put it into C000:0

24-
26h

Reserved

27h

Initialize INT 09 buffer

28h

Reserved

29h

Program CPU internal MTRR (P6 & PII) for 0-640K memory address; Initialize the APIC for
Pentium class CPU; Program early chipset according to CMOS setup; Measure CPU
speed; Invoke video BIOS

2A-
2Ch

Reserved

2Dh

Initialize multilanguage; put information on screen display, including Award title, CPU type,
CPU speed, etc.

2E-
32h

Reserved

33h

Reset keyboard except Winbond 977 series Super I/O chips

Advertising