Nexcom Peak 555A User Manual page 77

Peak 555A User's Guide
This page is for Non-Compressed Version only
a
01-0
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C0
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BE
C1
C5
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0A
BIOS Setup
Reserved
Turn off OEM specific cache, shadow...
1. Initialize EISA registers (EISA BIOS only)
2. Initialize all the standard devices with default values
Standard devices includes:
-DMA controller (8237)
-Programmable Interrupt Controller (8259)
-Programmable Interval Timer (8254)
-RTC chip
Reserved
1. Keyboard Controller Self-Test
2. Enable Keyboard Interface
Reserved
Verifies CMOS's basic R/W functionality
Program defaults values into chipset according to the
MODBINable Chipset
Default Table
Auto-detection of onboard DRAM & Cache
Copy the BIOS from ROM into E0000-FFFFF shadow RAM
so that POST will go faster
Test the first 256K DRAM
1. Program the configuration register of Cyrix CPU
according to the
MODBINable Cyrix Register Table
2. OEM specific cache initialization (if needed)
1. Initialize the first 32 interrupt vectors with corresponding
Interrupt
handlers Initialize
Dummy(Suprious)
Interrupt Handler
2. Issue CPUID instruction to identify CPU type
3. Early Power Management initialization (OEM specific)
INT no from 33-120 with
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