Nexcom Peak 555A, Руководство пользователя

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Peak 555A User’s Guide
BIOS Setup 4- 47
a
This page is for Non-Compressed Version only
01-0
2 Reserved
C0 Turn off OEM specific cache, shadow...
03 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
04 Reserved
05 1. Keyboard Controller Self-Test
2. Enable Keyboard Interface
06 Reserved
07 Verifies CMOS’s basic R/W functionality
BE Program defaults values into chipset according to the
MODBINable Chipset
Default Table
C1 Auto-detection of onboard DRAM & Cache
C5 Copy the BIOS from ROM into E0000-FFFFF shadow RAM
so that POST will go faster
08 Test the first 256K DRAM
09 1. Program the configuration register of Cyrix CPU
according to the
MODBINable Cyrix Register Table
2. OEM specific cache initialization (if needed)
0A 1. Initialize the first 32 interrupt vectors with corresponding
Interrupt
handlers Initialize INT no from 33-120 with
Dummy(Suprious)
Interrupt Handler
2. Issue CPUID instruction to identify CPU type
3. Early Power Management initialization (OEM specific)