Ground - Nexcom PEAK 637 User Manual

PEAK 637 User's Guide
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)
This POST code is for boot block
POST (hex) Description
C0 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
C1 Auto-detection of onboard DRAM & Cache
C3 Checking checksum of compressed code
C5 Copy the BIOS from ROM into E0000-FFFFF shadow RAM so that POST will go faster
01 Clear base memory 0~640K
0C Initial interrupt vector 00-1FH
0D Initial ISA VGA
41H Enable FDD and detect media type
FFH Boot from FDD
BIOS Default Drive Table
This is a current list of the drive type table contained in Setup.
Type Size Cylinders
(MB)
1 10 306
2 20 615
3 30 615
4 62 940
5 46 940
6 20 615
7 30 462
8 30 733
9 112 900
10 20 820
11 35 855
12 49 855
13 20 306
14 42 733
15 Reserved
16 20 612
17 40 977
18 56 977
19 59 1024
20 30 733
BIOS Setup
Heads Sectors
4 17
4 17
6 17
8 17
6 17
4 17
8 17
5 17
15 17
3 17
5 17
7 17
8 17
7 17
4 17
5 17
7 17
7 17
5 17
Write Land Example Model
Precomp Zone
128 305 TEAC SD510,
MMI 112, 5412
300 615 Seagate ST225, ST4026
300 615
512 940
512 940
None 615 Seagate ST125,
Tandon TM262
256 511
None 733 Tandon TM 703
None 901
None 820
None 855
None 855
128 319 Disctron 526, MMI M125
None 733
0 663 Microscience HH725,
Syquest 3250, 3425
300 977
None 977
512 1023
300 732
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