Nexcom Peak 550 User Manual page 68

Peak 550 User's Guide
This POST code is for boot block
POST
(hex)
C0
C1
C3
C5
01
0C
0D
41H
FFH
BIOS Setup
Description
1. Turn off OEM specific cache, shadow...
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
Auto-detection of onboard DRAM & Cache
Checking checksum of compressed code
Copy the BIOS from ROM into E0000-FFFFF shadow RAM so that POST will
go faster
Clear base memory 0~640K
Initial interrupt vector 00-1FH
Initial ISA VGA
Enable FDD and detect media type
Boot from FDD
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