2.6 Onboard Headers and Connectors

Onboard headers and connectors are NOT jumpers. Do NOT place jumper caps over these headers and connectors. Placing jumper caps over the headers and connectors will cause permanent damage of the motherboard!

Digital Input / Output Pin Header

PIN

Signal Name

PIN

Signal Name

(10-pin JGPIO1)

1

Digital Output 0

2

Digital Input 0

(see p.8, No. 17)

3

Digital Output 1

4

Digital Input 1

 

5

Digital Output 2

6

Digital Input 2

 

7

Digital Output 3

8

Digital Input 3

 

9

JGPIO_PWR1

10

GND

CPU Fan Connectors

FAN_SPEED_CONTROL

(4-pin CPU_FAN1)

CPU_FAN_SPEED

(see p.8 No. 3)

+12V

GND

Please connect the CPU fan cable to the connector and match the black wire to the ground pin.

Though this motherboard provides 4-Pin CPU fan (Quiet Fan) support, the 3-Pin CPU fan still can work successfully even without the fan speed control function. If you plan to connect the 3-Pin CPU fan to the CPU fan connector on this motherboard, please connect it to Pin 1-3.

Pin 1-3 Connected

3-Pin Fan Installation

(3-pin CPU_FAN2)

GND

(see p.8 No. 2)

+12V

CPU_FAN_SPEED

 

 

 

 

 

 

 

 

 

Chassis Fan Connectors

(4-pin CHA_FAN1)

CHA_FAN_SPEED

 

 

(see p.8, No. 7)

+12V

FAN_SPEED_CONTROL

GND

 

(3-pin CHA_FAN2)

(see p.8, No. 6)

Please connect the fan cable to the fan connector and match the black wire to the ground pin.

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ASRock IMB-781 manual Onboard Headers and Connectors, Digital Input / Output Pin Header

IMB-781 specifications

The ASRock IMB-781 is an innovative, compact industrial motherboard designed to meet the demanding needs of embedded applications. This motherboard combines high performance with reliable operation, making it an ideal choice for industries such as automation, transportation, and telecommunications.

One of the standout features of the ASRock IMB-781 is its Intel® LGA 1151 socket, which supports a range of 8th and 9th generation Intel® Core™ processors. This allows users to leverage advanced processing capabilities, ensuring smooth operations for resource-intensive applications. The motherboard supports up to 64GB of DDR4 RAM, thereby enhancing its multitasking capabilities and overall system performance.

In terms of connectivity, the IMB-781 is equipped with dual Gigabit Ethernet ports that enable robust and fast network connections. This feature is particularly beneficial for applications requiring reliable data transmission in real-time. Additionally, the motherboard provides multiple USB ports, including USB 3.1 Gen 2, ensuring fast and versatile peripheral connections.

The ASRock IMB-781 also excels in its expansion capabilities. It features a PCIe x16 slot for high-speed graphics cards or other extension boards, alongside multiple mini PCIe slots that allow for additional functionalities such as wireless networking or I/O expansions. The ability to incorporate these extensions makes the IMB-781 highly adaptable to varied industrial applications.

Moreover, the motherboard is designed for longevity and reliability, featuring durable capacitors and solid-state components. This design consideration is crucial in industrial environments where equipment is often subjected to harsh conditions.

The IMB-781 supports various display outputs, including HDMI and VGA, allowing users to connect multiple monitors easily and manage their workspace more effectively. Its high-definition multimedia interface ensures stunning visual performance, which is essential for monitoring and control systems.

ASRock also emphasizes security and manageability features within the IMB-781. The motherboard supports TPM (Trusted Platform Module) for enhanced security measurements, essential for safeguarding sensitive data in industrial applications. Its compact form factor further ensures that it can fit within various system configurations, making it an excellent choice for space-constrained environments.

In summary, the ASRock IMB-781 industrial motherboard exemplifies a blend of performance, reliability, and adaptability. With its support for advanced Intel processors, ample connectivity options, and robust build quality, it is designed to meet the stringent demands of modern industrial applications, positioning itself as a reliable component in various embedded systems.