Sony 486DX User Manual
AR-B1474 User¡
¦s Guide
0-1
Table of Contents
0.
PREFACE....................................................................................................................................................... 0-3
0.1
COPYRIGHT NOTICE AND DISCLAIMER ................................................................................................................................0-3
0.2
WELCOME TO THE AR-B1474 SERIAL CPU BOARD.............................................................................................................0-3
0.3
BEFORE YOU USE THIS GUIDE...............................................................................................................................................0-3
0.4
RETURNING YOUR BOARD FOR SERVICE............................................................................................................................0-3
0.5
TECHNICAL SUPPORT AND USER COMMENTS ...................................................................................................................0-3
0.6
ORGANIZATION..........................................................................................................................................................................0-4
0.7
STATIC ELECTRICITY PRECAUTIONS....................................................................................................................................0-4
1.
OVERVIEW..................................................................................................................................................... 1-1
1.1
INTRODUCTION .........................................................................................................................................................................1-1
1.2
PACKING LIST ............................................................................................................................................................................1-2
1.3
FEATURES ..................................................................................................................................................................................1-2
2.
SYSTEM CONTROLLER ................................................................................................................................ 2-1
2.1
DMA CONTROLLER ...................................................................................................................................................................2-1
2.2
KEYBOARD CONTROLLER.........................................................................................................................................................2-1
2.3
INTERRUPT CONTROLLER ......................................................................................................................................................2-2
2.3.1
I/O Port Address Map ..........................................................................................................................................................2-3
2.3.2
Real-Time Clock and Non-Volatile RAM ............................................................................................................................2-4
2.3.3
Timer ....................................................................................................................................................................................2-4
2.3.4
ISA Bus Pin Assignment .....................................................................................................................................................2-5
2.3.5
ISA Bus Signal Description .................................................................................................................................................2-6
2.4
SERIAL PORT .............................................................................................................................................................................2-7
2.5
PARALLEL PORT........................................................................................................................................................................2-9
3.
SETTING UP THE SYSTEM............................................................................................................................ 3-1
3.1
OVERVIEW..................................................................................................................................................................................3-1
3.2
SYSTEM SETTING .....................................................................................................................................................................3-2
3.2.1
Serial Port ............................................................................................................................................................................3-2
3.2.2
Hard Disk (IDE) Connector (CN1).......................................................................................................................................3-3
3.2.3
Power Connector (J5) .........................................................................................................................................................3-3
3.2.4
FDD Port Connector (CN2) .................................................................................................................................................3-4
3.2.5
Parallel Port Connector (CN3) ............................................................................................................................................3-4
3.2.6
PC/104 Connector ...............................................................................................................................................................3-5
3.2.7
CPU Setting .........................................................................................................................................................................3-7
3.2.8
Memory Setting....................................................................................................................................................................3-9
3.2.9
LED Header (J1, J2 & J4) .................................................................................................................................................3-10
3.2.10
Keyboard Connector .....................................................................................................................................................3-10
3.2.11
External Speaker Header (J3) ......................................................................................................................................3-11
3.2.12
Reset Header (J7) .........................................................................................................................................................3-11
3.2.13
Battery Setting ...............................................................................................................................................................3-11
3.2.14
CRT Display Type Select (JP13)..................................................................................................................................3-11
4.
INSTALLATION .............................................................................................................................................. 4-1
4.1
OVERVIEW..................................................................................................................................................................................4-1
4.2
UTILITY DISKETTE.....................................................................................................................................................................4-2
4.3
WRITE PROTECT FUNCTION...................................................................................................................................................4-5
4.3.1
Hardware Write Protect .......................................................................................................................................................4-5
4.3.2
Software Write Protect ........................................................................................................................................................4-5
4.3.3
Enable the Software Write Protect......................................................................................................................................4-5
4.3.4
Disable the Software Write Protect .....................................................................................................................................4-5
4.4
WATCHDOG TIMER ...................................................................................................................................................................4-6
4.4.1
Watchdog Timer Setting......................................................................................................................................................4-6
4.4.2
Watchdog Timer Enabled....................................................................................................................................................4-7
4.4.3
Watchdog Timer Trigger......................................................................................................................................................4-7
4.4.4
Watchdog Timer Disabled ...................................................................................................................................................4-7
5.
SOLID STATE DISK ....................................................................................................................................... 5-1
5.1
OVERVIEW..................................................................................................................................................................................5-1
5.2
SWITCH SETTING ......................................................................................................................................................................5-1
5.2.1
Overview ..............................................................................................................................................................................5-2
5.2.2
I/O Port Address Select (SW1-1 & SW1-2) ........................................................................................................................5-2
5.2.3
SSD Firmware Address Select (SW1-3 & SW1-4).............................................................................................................5-2
5.2.4
SSD Drive Number (SW1-5 & SW1-6) ...............................................................................................................................5-3
5.2.5
ROM Type Select (SW1-7 & SW1-8)..................................................................................................................................5-4
5.3
JUMPER SETTING .....................................................................................................................................................................5-5
5.3.1
SSD BIOS Select (JP7).......................................................................................................................................................5-5
5.3.2
SSD Memory Type Setting (M1 ~ M3 & JP5).....................................................................................................................5-6