Appendix F Connectors

POWER SUPPLY CONNECTORS

PRIMARY POWER (J9J1)

AUXILIARY (3.3V) PCI POWER (J6G1)

Pin

Name

Function

1

PWRGD

Power Good

2

+5 V

+ 5 volts Vcc

3

+12 V

+ 12 volts

4

-12 V

- 12 volts

5

GND

Ground

6

GND

Ground

7

GND

Ground

8

GND

Ground

9

-5 V

-5 volts

 

 

 

10+5 V + 5 volts Vcc

11+5 V + 5 volts Vcc

12+5 V + 5 volts Vcc

Pin

Name

Function

1

GND

Ground

2

GND

Ground

3

GND

Ground

4

+3.3 V

+ 3.3 volts

5

+3.3V

+ 3.3 volts

6

+3.3 V

+ 3.3 volts

 

 

 

Tables F-1 and F-2. Power Connectors

FRONT PANEL CONNECTORS (J2A1, J1B1)

sleep/resume

Pin

Signal Name

1+5 V

2Sleep

Table F-3. Sleep/Resume Connector

Infra-red

Pin

Signal Name

1

+5 V

2

Key

3

IR_RX

4

Ground

5

IR_TX

Table F-5. IRDA Connector

Auxiliary 12V CPU Fan Power

Pin

Signal Name

1Ground

2+12 V (fused)

3Ground

Table F-7. CPU Fan Connector

Speaker Connector

Pin

Signal Name

1

SPKR_DAT

2

Key

3SPKR_DAT onnect

4Ground

Table F-9. Speaker Connector

Turbo LED

Pin

Signal Name

1PULL_UP_330

2LED_TURBO-

Table F-4. Turbo LED Connector

Hard Drive LED (Disk)

Pin

Signal Name

1

PULL_UP_330

2

Key

3HD ACTIVE

4PULL_UP_330

Table F-6. HDD LED

Key lock/Power LED

Pin

Signal Name

1

LED_PWR

2

Key

3

Ground

4

KEY LOCK

5

Ground

 

 

Table F-8. Key Lock/Power LED Connector

Reset Connector

Pin

Signal Name

1Ground

2RESET

Table F-10. Reset connector

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Image 19
Intel 281786-002 Appendix F − Connectors, Power Supply Connectors Primary Power J9J1, Front Panel Connectors − J2A1, J1B1

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.