Sony AR-B1474, DX4, 486DX manual Index, Name Function

Page 71

AR-B1474 User¡¦s Guide

10.2 INDEX

Name

Function

Page

CN1

Hard disk (IDE) connector

3-3

CN2

FDD port connector

3-4

CN3

Parallel port connector

3-4

CN4

40-pin PC/104 connector bus C & D

3-5

CN5

6-pin mini DIN keyboard connector

3-10

CN6

64-pin PC/104 connector bus A & B

3-5

J1

HDD LED header

3-10

J2

Watchdog LED header

3-10

J3

External speaker header

3-11

J4

External power LED & keyboard lock header

3-10

J5

Power connector

3-3

J6

External battery connector

3-11

J7

Reset header

3-11

J8

AUX. Keyboard connector

3-10

DB1

RS-232 connector for COM-A

3-2

DB2

RS-232 connector for COM-B

3-2

SW1

Switch select

5-2

SIMM1

DRAM socket

3-9

LED1

Watchdog LED

 

LED2

Power LED

 

JP1

AMD DX2-80 CPU select

3-7

JP2

CPU voltage select

3-7

JP3

RS-485 adapter select for COM-A

3-2

JP4

Battery charger select

3-11

JP5

1Mx8 EPROM select

5-6

JP6

CPU base clock select

3-8

JP7

SSD BIOS select

5-5

JP8

Cache RAM size select

3-9

JP9

CPU system clock multiplier select

3-8

JP11

RS-485 adapter select for COM-B

3-2

JP13

CRT display type select

3-11

JP15

AMD 4X CPU (5x86) select

3-7

M1,M2 &M3

Memory type setting

5-6

10-3

Image 71
Contents Industrial Grade 486DX/DX2/DX4 CPU Card Page Table of Contents SSD Types Supported & Index Bios ConsoleSpecifications Placement & Dimensions Memory Banks & Programming RS-485Preface Organization Static Electricity PrecautionsIntroduction OverviewPacking List FeaturesDMA Controller System ControllerDMA Controller Keyboard ControllerInterrupt Controller Interrupt ControllerI/O Port Address Map 1 I/O Port Address MapHex Range Device Real-Time Clock & Non-Volatile RAM TimerReal-Time Clock and Non-Volatile RAM Address DescriptionISA Bus Pin Assignment ISA Bus Pin AssignmentName Description ISA Bus Signal DescriptionDlab Serial PortReceiver Buffer Register RBR Transmitter Holding Register THRModem Control Register MCR Interrupt Enable Register IERInterrupt Identification Register IIR Line Control Register LCRRegister Address Parallel PortModem Status Register MSR Divisor Latch LS, MSPrinter Control Latch & Printer Control Swapper Data SwapperPrinter Status Buffer Overview Setting UP the SystemRS-485 Adapter Select JP3 & JP11 System SettingRS-232 Connector DB1 & DB2 Serial PortHDD Pin Assignment Hard Disk IDE Connector CN1Power Connector J5 CN3 FDD Port Connector CN2Parallel Port Connector CN3 Pin PC/104 Connector Bus C & D CN4 6 PC/104 ConnectorPin PC/104 Connector Bus a & B CN6 IRQ 3-7, 9-12, 14 PC/104 ISA Bus Signal DescriptionAMD 4X CPU 5x86 Select JP15 CPU SettingAMD DX2-80 CPU Select JP1 CPU Voltage Select JP2CPU Clock Select JP6 & JP9 CPU Clock SettingSIMM1 Memory SettingDram Configuration Cache RAM Size Select JP8LED Header J1, J2 & J4 Keyboard ConnectorCRT Display Type Select JP13 Reset Header J7Battery Setting External Speaker Header J3Page Installation PGM1474.EXE Utility DisketteBU1474.EXE WD1474.EXEWP1474.EXE Help to PGF File Display Error in PGF FileHardware Write Protect Enable the Software Write ProtectDisable the Software Write Protect Write Protect FunctionTime Factor Time-Out Period Seconds Watchdog TimerWatchdog Timer Setting Time-Out SettingWatchdog Timer Disabled Watchdog Timer EnabledWatchdog Timer Trigger Page Solid State Disk Switch SettingDEVICE=C\DOS\EMM386.EXE X=C800-CFFF Overview2 I/O Port Address Select SW1-1 & SW1-2 SSD Firmware Address Select SW1-3 & SW1-4Flash Eprom Sram SSD Drive Number SW1-5 & SW1-6Simulate 2 Disk Drive Disk Drive Name Arrangement ROM Type Select SW1-7 & SW1-8SSD Bios Select JP7 Jumper SettingUV Eprom 27Cxxx SSD Memory Type Setting M1 ~ M3 & JP5ROM Disk Installation Switch and Jumper SettingSoftware Programming UV Eprom 27CXXX Switch SettingLarge Page 5V Flash Disk 5V Large Flash 29FXXX Switch SettingSmall Page 5V Flash ROM Disk 5V Flash 29CXXX & 28EEXXX Switch SettingTyping DOS Command Using Tool ProgramRAM Disk Jumper SettingCombination of ROM and RAM Disk Installation D.O.CHardware Setting SSD Bios Setting JP7O.C. Setting SW1-8 Software SettingPage Bios Setup Overview Bios ConsoleHard Disk Setup Standard Cmos SetupDate & Time Setup Floppy SetupAdvanced Cmos Setup Shadow IDE Block Mode TransferIDE LBA Mode Internal Cache MemoryAdvanced Chipset Setup Power Management Auto Configuration with Fail Safe Setting Setting PasswordPassword Checking Auto Configuration with Optimal SettingExit Without Saving Bios ExitSave Settings and Exit PCB SpecificationsBios CPUPage Placement Placement & DimensionsDimensions Socket Using Memory BankMemory Banks & Programming RS-485 CS1 CS0Send out one character Transmit Programming RS-485Initialize COM port Send out one character to COM1 Receive dataPage SSD Types Supported SSD Types Supported & Index10-2 Name Function Index

DX4, AR-B1474, 486DX specifications

The Sony 486DX, AR-B1474, and DX4 are notable examples of advanced computing technologies from the early to mid-1990s, a time when personal computers were rapidly evolving to meet increasing user demands. These systems played a pivotal role in shaping the landscape of modern computing.

The Sony 486DX is built around the popular Intel 80486 microprocessor, which was a significant step up from its predecessor, the 386. The 486DX featured a 32-bit architecture and introduced integrated cache memory, which greatly enhanced data processing speeds and overall system performance. Operating at clock speeds typically ranging from 25 to 100 MHz, the 486DX models provided a solid foundation for running more sophisticated software applications and advanced games of the era.

Accompanying the 486DX was the AR-B1474 motherboard, designed to maximize the potential of the 486 architecture. This motherboard featured support for up to 512 KB of level 2 cache memory, further boosting performance for data-heavy tasks. The AR-B1474 also included extensive connectivity options, with ISA slots for legacy devices, as well as support for EISA, making it compatible with a wide range of hardware peripherals. This versatility made the AR-B1474 a popular choice among builders of custom desktop PCs during its time.

The DX4, another significant milestone, built upon the 486 architecture by introducing a clock-doubling technique. By effectively allowing the processor to perform operations at up to three times its base clock speed (typically 75 or 100 MHz), the DX4 could handle even more demanding applications, thereby providing users with significant performance improvements without requiring a complete overhaul of their systems.

Both the 486DX and DX4 processors facilitated advancements in multimedia capabilities, with improved graphics rendering and audio performance that supported CD-ROMs and early gaming technologies. This made them particularly appealing to consumers looking for a versatile machine for both work and entertainment.

Overall, the combination of the Sony 486DX, AR-B1474 motherboard, and DX4 processor exemplifies a significant chapter in computing history, showcasing how hardware advancements seamlessly integrated with user needs for performance and flexibility. As these technologies laid the groundwork for future innovations, they remain noteworthy for their contributions to the evolution of personal computing.