Intel 281786-002 manual AT Keyboard Connector J8k1, Serial Ports j7k1, j7k2, Parallel Port j9e1

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I/O CONNECTORS

AT Keyboard Connector (J8k1)

Pin

Signal Name

1

Clock

2

Data

3

No Connect

4

Ground

5

Vcc (fused)

 

 

Table F-11. Keyboard Connector

Serial Ports (j7k1, j7k2)

Pin

Signal Name

1

DCD

2

DSR

3

Serial In - (SIN)

4

RTS

5

Serial Out - (SOUT)

6

CTS

7

DTR

8

RI

9

GND

10

N.C.

Figure F-9. Serial Connectorr

Parallel Port (j9e1)

Signal Name

 

Pin

Pin

Signal Name

STROBE-

 

1

2

AUTO FEED-

Data Bit 0

 

3

4

ERROR-

Data Bit 1

 

5

6

INIT-

Data Bit 2

 

7

8

SLCT IN-

Data Bit 3

 

9

10

Ground

Data Bit 4

 

11

12

Ground

Data Bit 5

 

13

14

Ground

Data Bit 6

 

15

16

Ground

Data Bit 7

 

17

18

Ground

ACJ-

 

19

20

Ground

BUSY

 

21

22

Ground

PE (Paper End)

 

23

24

Ground

SLCT

 

 

26

N.C.

 

Table F-11 Parallel Ports

IDE Connectors (j6h1, j6h2)

Signal Name

Pin

Pin

Signal Name

Reset IDE

1

2

Ground

Host Data 7

3

4

Host Data 8

Host Data 6

5

6

Host Data 9

Host Data 5

7

8

Host Data 10

Host Data 4

9

10

Host Data 11

Host Data 3

11

12

Host Data 12

Host Data 2

13

14

Host Data 13

Host Data 1

15

16

Host Data 14

Host Data 0

17

18

Host Data 15

Ground

19

20

Key

DRQ3

21

22

Ground

I/O Write-

23

24

Ground

I/O Read-

25

26

Ground

IOCHRDY

27

28

BALE

DACK3-

29

30

Ground

IRQ14

31

32

IOCS16-

Addr 1

33

34

Ground

Addr 0

35

32

Addr 2

Chip Select 0-

37

38

Chip Select 1-

Activity

39

40

Ground

 

 

 

 

Figure F-10 IDE Connectors

FLoppy Connector (j9c1)

Signal Name

Pin

Pin

Signal Name

Ground

1

2

FDHDIN

Ground

3

4

Reserved

Key

5

6

FDEDIN

Ground

7

8

Index-

Ground

9

10

Motor Enable A-

Ground

11

12

Drive Select B-

Ground

13

14

Drive Select A-

Ground

15

16

Motor Enable B-

Ground

17

18

DIR-

Ground

19

20

STEP-

Ground

21

22

Write Data-

Ground

23

24

Write Gate-

Ground

25

26

Track 00-

Ground

27

28

Write Protect-

Ground

29

30

Read Data-

Ground

31

32

Side 1 Select-

Ground

33

34

Diskette

Table F-12. Floppy Connector

Advanced/ZP Technical Product Summary Page 20

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Contents Advanced/ZP Baby-AT Board Table of Contents Introduction ADVANCED/ZP Form FactorBaseboard Dimensions Mounting Hole PlacementFront Panel Connectors JUMPERS/SWITCHESBoard Level Features Performance UpgradeCPU Second Level CacheSystem Memory EDO DramExpansion Slots PCI 3.3 Volt CapabilitiesPeripheral Component Interconnect PCI Pciset 82437FX Triton System Controller TSC82438FX Triton Data Path TDP 82371FB PCI ISA/IDE Accelerator PiixReal Time CLOCK, Cmos RAM and Battery IDE SupportNational Semiconductor 87306 Super I/O Controller Keyboard InterfaceSystem Bios Bios UpgradesIrda Infrared Support Flash ImplementationSetup Utility PCI AUTO-CONFIGURATIONPower Management ISA Plug & PlaySecurity Features ConnectorsConnections Power ConsumptionBack Panel Connections Current WattsSimm 1,2 Bank Simm 3,4 Bank Total System Memory Appendix a − User-Installable UpgradesRTC Battery Appendix B − Jumpers and Switches Recovery Boot Enable J1K1 Processor Voltage Regulation SwitchISA BUS Speed Switch PCI Configuration Space MAP Appendix D − Memory Map Appendix E − Interrupts & DMA ChannelsFront Panel Connectors − J2A1, J1B1 Appendix F − ConnectorsPower Supply Connectors Primary Power J9J1 AT Keyboard Connector J8k1 FLoppy Connector j9c1Serial Ports j7k1, j7k2 Parallel Port j9e1ISA Connectors J1G1, J2G1, J2G2, J3G1 PCI Connectors J4G1, J5G1, J5G2 Appendix G − Bios Setup Overview of the Setup Menu ScreensOverview of the Setup Keys Main ScreenHard Disk Configuration Submenu Floppy Options SubmenuInitialization Timeout IDE Translation ModeMultiple Sector Setting Number of CylindersBoot Options Submenu Peripheral Configuration Submenu Advanced ScreenSerial Port 2 IR Mode Parallel Port ModePCI IDE Interface Floppy InterfaceAdvanced Chipset Configuration Submenu Power Management ConfigurationPlug and Play Configuration Submenu Security Screen Options Administrative and User Access ModesSecurity Screen Exit Screen Recovery Mode Appendix H − Bios RecoveryUsing the Upgrade Utility Beep Codes Appendix I − Error messages and Beep CodesError Messages Plug and Play Error Messages ISA NMI MessagesAppendix J − Environmental Standards Appendix K − Reliability Data

281786-002 specifications

The Intel 281786-002 is a highly regarded microprocessor that was part of Intel’s extensive portfolio of technology solutions. Originally released in the mid-1990s, it is recognized for its robust performance and advanced features, which catered to the needs of both personal computing and embedded systems.

One of the standout features of the Intel 281786-002 is its architecture, which includes a 32-bit data bus. This architecture allows for efficient data processing and memory management. The processor is built on a 0.6-micron process technology, contributing to reduced power consumption while enhancing overall performance. The chip operates at various clock speeds, typically ranging around 25MHz to 50MHz, allowing it to suit different applications and user requirements.

The Intel 281786-002 also boasts a sophisticated instruction set that supports a wide range of operations. This multi-functionality ensures that it can efficiently handle complex computations and multitasking scenarios. Its ability to execute instructions in parallel paves the way for better performance when running multiple applications simultaneously.

In terms of memory support, the processor is designed to interface effectively with both SRAM and DRAM technologies, accommodating a vast range of memory configurations, thereby enhancing flexibility for system designers. It is also compatible with both 16-bit and 32-bit data buses, making it versatile enough for use in various computing environments.

Another notable aspect of the Intel 281786-002 is its integrated security features. These allow for better data protection and integrity, making it a viable choice for systems requiring enhanced security protocols.

Furthermore, the microprocessor's reliability and stability have made it a preferred choice for embedded applications, network devices, and industrial systems. Its proven track record in various computing environments underscores Intel's commitment to quality and performance.

Additionally, the Intel 281786-002 supports various operating systems, providing flexibility in deployment across different computing platforms. This compatibility ensures that users can leverage existing software ecosystems without extensive modifications.

In conclusion, the Intel 281786-002 microprocessor encapsulates an amalgamation of performance, efficiency, and versatility. With its advanced features and robust architecture, it has played a significant role in shaping computing technology, making it a noteworthy component in Intel’s legacy of innovation.