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15)F_ USB1 / F_USB2 (Front USB Connector)

Be careful with the polarity of the front USB connector. Check the pin assignment carefully while you connect the front USB cable, incorrect connection between the cable and connector will make the device unable to work or even damage it. For optional front USB cable, please contact your local dealer.

 

 

 

 

Pin No.

Definition

2

 

10

 

1

Power

 

 

2

Power

 

 

 

 

 

 

 

 

3

USB DX-

 

 

 

 

4

USB Dy-

 

 

 

 

1

 

9

 

 

 

5

USB DX+

 

 

 

 

 

 

 

 

6

USB Dy+

 

 

 

 

7

GND

 

 

 

 

8

GND

 

 

 

 

9

No Pin

 

 

 

 

10

NC

 

 

 

 

 

 

16)IR_CIR

Make sure the pin 1 on the IR device is align with pin one the connector. To enable the IR/CIR function, you are required to purchase an optional IR/CIR module. To use IR function only, please connect IR module to Pin1 to Pin5. Be careful with the polarity of the IR/CIR connector. Check the pin assignment carefully while you connect the IR/CIR cable, incorrect connection between the cable and connector will make the device unable to work or even damage it. For optional IR/CIR cable, please contact your local dealer.

 

 

Pin No.

Definition

6

10

1

Power

2

NC

 

 

1

5

3

IRRX

4

GND

 

 

 

 

5

IRTX

 

 

6

NC

 

 

7

CIRRX

 

 

8

+5VSB

 

 

 

(stand by +5V)

 

 

9

CIRTX

 

 

10

NC

GA-K8NSC-939 Motherboard

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Image 26
AMD GA-K8NSC-939 user manual USB1 / FUSB2 Front USB Connector, Ircir

GA-K8NSC-939 specifications

The AMD GA-K8NSC-939 motherboard is an advanced platform designed to support AMD's 64-bit processors, particularly those based on the K8 architecture. This motherboard, built by Gigabyte, is a standout choice for enthusiasts and gamers seeking a balance between performance and functionality.

One of the main features of the GA-K8NSC-939 is its chipset, the NVIDIA nForce3 250. This chipset enhances the motherboard's capabilities, offering improved memory bandwidth and better overall system performance. The GA-K8NSC-939 supports AMD's Socket 939, which allows users to install various processors, including the Athlon 64 and Athlon 64 FX series. This compatibility ensures users can leverage enhanced processing power while taking advantage of the extended memory support up to 4GB of DDR RAM.

In terms of memory, the motherboard supports Dual Channel DDR400, enhancing the overall data transfer rates and system responsiveness. The Dual Channel configuration facilitates simultaneous data access, making it particularly beneficial for running demanding applications such as gaming, video editing, and content creation.

Another notable characteristic is the integrated NVIDIA GeForce 6100 GPU, which provides decent graphics performance without requiring a dedicated graphics card. This feature is ideal for users engaging in casual gaming or multimedia tasks, while still allowing for the addition of a higher-end graphics solution through its PCI Express x16 slot when needed.

The GA-K8NSC-939 motherboard also includes several connectivity options that cater to modern users. It features a mix of SATA and IDE ports for connecting storage drives, ensuring compatibility with a host of devices. Additionally, the built-in Gigabit Ethernet offers high-speed internet connectivity, essential for online gaming and streaming.

Moreover, the motherboard is equipped with multiple USB 2.0 ports, enabling users to connect various peripheral devices easily. This connectivity flexibility ensures that users can expand their computing experience without hassle.

Power and thermal management are also addressed with solid capacitors and an efficient PCB design. This ensures stability and longevity while keeping the system cool during operation.

In conclusion, the GA-K8NSC-939 motherboard is a versatile and reliable choice for users looking to build a robust system based on AMD's 64-bit technology. Its combination of advanced features, solid performance, and expandability makes it a viable option for gaming, multimedia, and general computing needs. Whether for a budget build or a performance-oriented system, this motherboard remains a compelling choice.