Mitsubishi Electric FT5000 Handbook page 102

Ft series
Table of Contents

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S o l v i n g p r o b l e m s
Normal Port 80
Codes
1C
20
22
24
28
2A
2C
2E
30
32
34
35
36
37
38
39
3A
3C
3D
40
42
44
46
47
48
49
4A
4B
4C
4E
50
51
52
54
56
58
5A
5C
60
62
64
66
8/8
FT5000 HANDBOOK
Beeps
Error
Reset Programmable Interrupt Controller
1-3-1-1
Test DRAM refresh
1-3-1-3
Test 8742 Keyboard Controller
Set ES segment register to 4GB
1-3-3-1
Autosize DRAM
Clear 512K base RAM
1-3-4-1
RAM failure on address line xxxx*
1-3-4-3
RAM failure on data bits xxxx* of low byte of memory bus
1-4-1-1
RAM failure on data bits xxxx* of high byte of memory bus
Test processor bus-clock frequency
Test CMOS
RAM Initialize alternate chipset registers
Warm start shut down
Reinitialize the chipset (MB only)
Shadow system BIOS ROM
Reinitialize the cache (MB only)
Autosize cache
Configure advanced chipset registers
Load alternate registers with CMOS valuesnew
Set Initial processor speed new
Initialize interrupt vectors
Initialize BIOS interrupts
2-1-2-3
Check ROM copyright notice
Initialize manager for PCI Option ROMs
Check video configuration against CMOS
Initialize PCI bus and devices
Initialize all video adapters in system
Display QuietBoot screen
Shadow video BIOS ROM
Display copyright notice
Display processor type and speed
Initialize EISA board
Test keyboard
Set key click if enabled
Enable keyboard
2-2-3-1
Test for unexpected interrupts
Display prompt "Press F2 to enter SETUP"
Test RAM between 512 and 640k
Test extended memory
Test extended memory address lines
Jump to UserPatch1
Configure advanced cache registers

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