Table of Contents
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Table of Contents
1
PREFACE................................................................................................................................... 6
1.1
1.2
......................................................................................................................... 6
1.3
........................................................................................................................... 6
1.4
1.5
1.6
1.7
2
OVERVIEW ................................................................................................................................ 8
2.1
2.2
2.3
2.4
2.5
2.6
3
PC/104 BUS SIGNALS.............................................................................................................. 14
3.1
4
DETAILED SYSTEM DESCRIPTION ........................................................................................ 18
4.1
4.2
, RAM ........................................................................................................... 18
4.2.1
CPUs of this MICROSPACE Product........................................................................... 18
4.2.2
Numeric Coprocessor .................................................................................................. 19
4.2.3
DRAM Memory (on piggy-pack module) ...................................................................... 19
4.3
.......................................................................................................................... 19
4.3.1
Keyboard AT compatible ............................................................................................. 19
4.3.2
PS/2 Mouse Interface (optional)................................................................................... 20
4.3.3
Line Printer Port LPT1 ................................................................................................. 20
4.3.4
Serial Ports COM1-COM2 ........................................................................................... 20
4.3.5
Floppy Disk Interface................................................................................................... 21
4.3.6
Speaker interface ........................................................................................................ 22
4.4
..................................................................................................................... 23
4.4.1
Interrupt Controllers..................................................................................................... 23
4.5
4.5.1
Programmable Timers ................................................................................................. 23
4.5.2
Battery backed clock (RTC) ......................................................................................... 24
4.5.3
Watchdog.................................................................................................................... 24
4.6
BIOS .................................................................................................................................. 25
4.6.1
ROM-BIOS Sockets..................................................................................................... 25
4.6.1.1
Standard BIOS ROM............................................................................................................. 25
4.6.2
EEPROM Memory for Setup........................................................................................ 25
4.6.3
BIOS CMOS Setup...................................................................................................... 25
4.6.4
CMOS Setup Harddisk list ........................................................................................... 26
4.6.5
EEPROM saved CMOS Setup..................................................................................... 26
4.6.6
Setup for the TEXAS SLC/2 CPU with 50MHz ............................................................. 27
4.7
4.7.1
Standard Setup Options .............................................................................................. 28
4.7.2
Advanced Feature Control ........................................................................................... 28
4.7.3
82C721 / 735 Configuration ......................................................................................... 28
4.7.4
486SLC CPU CACHE Control ..................................................................................... 29
4.7.5
Technical Option Control ............................................................................................. 29
4.8
............................................................................................................................. 30
4.8.1
System Memory Map................................................................................................... 30
4.8.2
System I/O Map........................................................................................................... 31
4.8.3
BIOS-Variable-Segment .............................................................................................. 31
4.9
VGA, LCD .......................................................................................................................... 32
4.9.1
VGA / LCD Controller 65535A / 65540 / 65545 ............................................................ 32
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.............................................................................................................. 7
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.................................................................................................................... 9
.................................................................................................. 10
................................................................................................................ 12
..................................................................................................... 13
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........................................................................................................ 18
........................................................................................................ 23
................................................................................. 28
4
MSM486V Manual V3.22
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