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
