Sony 486DX, AR-B1474, DX4 2.3.1 I/O Port Address Map

AR-B1474 User¡¦s Guide

2-3

2.3.1 I/O Port Address Map

Hex Range Device

000-01F DMA controller 1

020-021 Interrupt controller 1

022-023 M1429 chipset address

040-04F Timer 1

050-05F Timer 2

060-06F 8042 keyboard/controller

070-071 Real-time clock (RTC), non-maskable interrupt (NMI)

080-09F DMA page registers

0A0-0A1 Interrupt controller 2

0C0-0DF DMA controller 2

0F0 Clear Math Co-processor

0F1 Reset Math Co-processor

0F8-0FF Math Co-processor

170-178 Fixed disk 1

1F0-1F8 Fixed disk 0

201 Game port

208-20A EMS register 0

210-213 SSD

214-215 Watchdog

218-21A EMS register 1

278-27F Parallel printer port 3 (LPT 3)

290-293 SSD

294-295 Watchdog

2E8-2EF Serial port 4 (COM 4)

2F8-2FF Serial port 2 (COM 2)

310-313 SSD

314-315 Watchdog

378-37F Parallel printer port 2 (LPT 2)

380-38F SDLC, bisynchronous 2

390-393 SSD

394-395 Watchdog

3A0-3AF Bisynchronous 1

3B0-3BF Monochrome display and printer port 1 (LPT 1)

3C0-3CF EGA/VGA adapter

3D0-3DF Color/graphics monitor adapter

3E8-3EF Serial port 3 (COM 3)

3F0-3F7 Diskette controller

3F8-3FF Serial port 1 (COM 1)

Table 2-2 I/O Port Address Map

Contents

Main Page 0-1 Table of Contents AR-B1474 Users Guide 0-2 0-3 0. PREFACE 0.1 COPYRIGHT NOTICE AND DISCLAIMER 0.2 WELCOME TO THE AR-B1474 SERIAL CPU BOARD 0.3 BEFORE YOU USE THIS GUIDE 0.4 RETURNING YOUR BOARD FOR SERVICE 0.6 ORGANIZATION 0.7 STATIC ELECTRICITY PRECAUTIONS AR-B1474 Users Guide 1-1 1. OVERVIEW l Introduction l Packing List l Features 1.1 INTRODUCTION 1.2 PACKING LIST 1.3 FEATURES 2-1 2. SYSTEM CONTROLLER 2.1 DMA CONTROLLER 2.2 KEYBOARD CONTROLLER 2-2 2.3 INTERRUPT CONTROLLER 2-3 2.3.1 I/O Port Address Map 2-4 2.3.2 Real-Time Clock and Non-Volatile RAM 2.3.3 Timer 2-5 2.3.4 ISA Bus Pin Assignment Table 2-5 ISA Bus Pin Assignment Table 2-4 ISA Bus Pin Assignment AR-B1474 Users Guide 2-6 2.3.5 ISA Bus Signal Description Name Description 2-7 2.4 SERIAL PORT (1) Receiver Buffer Register (RBR) (2) Transmitter Holding Register (THR) 2-8 (3) Interrupt Enable Register (IER) (4) Interrupt Identification Register (IIR) (5) Line Control Register (LCR) (6) MODEM Control Register (MCR) 2.5 PARALLEL PORT (1) Register Address (2) Printer Interface Logic 2-10 (3) Data Swapper (4) Printer Status Buffer (5) Printer Control Latch & Printer Control Swapper 3-1 3. SETTING UP THE SYSTEM Figure 3-1 AR-B1474 Placement 3.1 OVERVIEW 3.2 SYSTEM SETTING 3.2.1 Serial Port 3.2.2 Hard Disk (IDE) Connector (CN1) 3.2.3 Power Connector (J5) J5 3.2.4 FDD Port Connector (CN2) 3.2.5 Parallel Port Connector (CN3) 3-5 3.2.6 PC/104 Connector Figure 3-10 CN4: 40-Pin PC/104 Connector Bus C & D (1) 64-Pin PC/104 Connector Bus A & B (CN6) CN6 1 2 Figure 3-9 CN6: 64-Pin PC/104 Connector Bus A & B 3-6 (3) PC/104 ISA Bus Signal Description Name Description 3.2.7 CPU Setting JP1 JP2 AMD CPU Others CPU JP9 BA C 3.2.8 Memory Setting JP8 JP8 JP8 3.2.9 LED Header (J1, J2 & J4) 3.2.10 Keyboard Connector 3.2.11 External Speaker Header (J3) J3 Non chargeableRechargeable 3.2.12 Reset Header (J7) 3.2.13 Battery Setting Page 4-1 4. INSTALLATION 4.1 OVERVIEW 4-2 4.2 UTILITY DISKETTE (1) PGM1474.EXE 4-3 (2) WD1474.EXE (3) WP1474.EXE (4) BU1474.EXE (5) RFG.EXE 4-4 (6) RFGDEMO.PGF 4.3 WRITE PROTECT FUNCTION 4.3.1 Hardware Write Protect 4.3.2 Software Write Protect 4.3.3 Enable the Software Write Protect 4.3.4 Disable the Software Write Protect 4.4 WATCHDOG TIMER 4.4.1 Watchdog Timer Setting 4-7 4.4.2 Watchdog Timer Enabled 4.4.3 Watchdog Timer Trigger 4.4.4 Watchdog Timer Disabled Page 5-1 5. SOLID STATE DISK 5.1 OVERVIEW 5.2 SWITCH SETTING 5-2 5.2.1 Overview 123456 5.2.2 I/O Port Address Select (SW1-1 & SW1-2) 5.2.3 SSD Firmware Address Select (SW1-3 & SW1-4) 5-3 5.2.4 SSD Drive Number (SW1-5 & SW1-6) (1) Simulate 2 Disk Drive 5-4 (2) Disk Drive Name Arrangement 5.2.5 ROM Type Select (SW1-7 & SW1-8) 5-5 5.3 JUMPER SETTING 5.3.1 SSD BIOS Select (JP7) Enable Disable JP7 (Factory preset) 5.3.2 SSD Memory Type Setting (M1 ~ M3 & JP5) 5.4 ROM DISK INSTALLATION 5.4.1 UV EPROM (27Cxxx) 5-7 123456 5-8 5.4.2 Large Page 5V FLASH Disk 123456 (2) Switch and Jumper Setting 5.4.3 Small Page 5V FLASH ROM Disk 5-10 (2) Using Tool Program (3) Typing DOS Command 5-11 5.4.4 RAM Disk (1) Jumper Setting 5-12 5.4.5 Combination of ROM and RAM Disk M1 5.5 INSTALLATION D.O.C. 5.5.1 Hardware Setting (1) SSD BIOS Setting (JP7) Disable 5.5.2 Software Setting Page 6-1 6. BIOS CONSOLE 6.1 BIOS SETUP OVERVIEW 6.2 STANDARD CMOS SETUP 6.3 ADVANCED CMOS SETUP 6-4 Internal Cache Memory Shadow Video ROM Shadow C000, 32K IDE Block Mode Transfer 6.4 ADVANCED CHIPSET SETUP 6.5 POWER MANAGEMENT 6.6 AUTO-DETECT HARD DISKS 6.7 PASSWORD SETTING 6.7.1 Setting Password 6.7.2 Password Checking 6.8 LOAD DEFAULT SETTING 6.9 BIOS EXIT 6.9.1 Save Settings and Exit 6.9.2 Exit Without Saving 7-1 7. SPECIFICATIONS Page 8-1 8. PLACEMENT & DIMENSIONS 8.1 PLACEMENT 8-2 8.2 DIMENSIONS Unit: mil (1 inch = 25.4 mm = 1000 mil) 9-1 9. MEMORY BANKS & PROGRAMMING RS-485 9.1 USING MEMORY BANK 9-2 9.2 PROGRAMMING RS-485 (1) Initialize COM port (2) Send out one character (Transmit) 9-3 (3) Send out one block data (Transmit the data more than two characters) (4) Receive data (5) Basic Language Example Page 10-1 10. SSD TYPES SUPPORTED & INDEX 10.1 SSD TYPES SUPPORTED 10-2 10-3 10.2 INDEX