User’s Manual
112
ECM-5716 Series User’s Manual
POST (hex)
Description
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
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 checksum
fails, use default value instead.
3. Prepare BIOS resource map for PCI & PnP use. If ESCD is
valid, take into consideration of the ESCD’s legacy
information.
4. Onboard clock generator initialization. Disable respective
clock resource to empty PCI & DIMM slots.
5. 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.
24h
Reserved
25h
Reserved
26h
Reserved
27h
Initialize INT 09 buffer
28h
Reserved
29h
1. Program CPU internal MTRR (P6 & PII) for 0-640K memory
address.
2. Initialize the APIC for Pentium class CPU.
3. Program early chipset according to CMOS setup. Example:
onboard IDE controller.
4. Measure CPU speed.
5. Invoke video BIOS.
2Ah
Reserved
2Bh
Reserved
2Ch
Reserved
Summary of Contents for ECM-5716 Series
Page 84: ...ECM 5716 Series ECM 5716 Series User s Manual 71 5 Click the Next button Or ...
Page 85: ...User s Manual 72 ECM 5716 Series User s Manual 6 Click the Finish button Or ...
Page 111: ...User s Manual 98 ECM 5716 Series User s Manual 6 Measurement Drawing ...
Page 112: ...ECM 5716 Series ECM 5716 Series User s Manual 99 ...