What is 9 Pin Serial Port Motherboard?
A 9 pin serial port motherboard features a dedicated 9-pin D-sub connector (DB9) that provides a serial communication interface. This interface, also known as a COM port, is primarily used for connecting older peripherals that rely on serial communication protocols like RS-232. While modern motherboards often prioritize USB, a 9 pin serial port is crucial for connecting legacy devices such as older printers, barcode scanners, scientific instruments, and industrial control systems. These ports typically operate at configurable baud rates (e.g., 9600, 115200 bps) and support various data bits, parity, and stop bit configurations. Brands like Gigabyte, ASUS, and Intel sometimes include these ports on specific motherboard models targeted at industrial or embedded applications, or for users who still need to connect older equipment. The serial port usually connects to the motherboard via an internal header, often a 10-pin header, where the 9th pin is usually a key or no-connect pin.
Key Features & Specifications
This 9 pin serial port motherboard offers a robust solution for connecting legacy devices. Key specifications include: a standard DB9 male connector, RS-232 compatibility, and support for baud rates ranging from 300 bps to 115200 bps. The port typically supports data bit configurations of 7 or 8 bits, parity options of None, Even, Odd, Mark, or Space, and one or two stop bits. The physical dimensions of the DB9 connector are approximately 30.8 mm (width) x 12.5 mm (height) x 16.3 mm (depth). The internal header connecting to the motherboard is typically a 10-pin IDC connector with a 2.54 mm pitch. Most motherboards providing this feature also include drivers supporting Windows XP, Windows 7, Windows 10, and Linux operating systems. The serial port provides standard voltage levels of ±12V for data transmission and reception.
Use Cases & Applications
The 9 pin serial port motherboard finds its application primarily in scenarios where legacy devices are still in use. In industrial settings, it is used to connect to Programmable Logic Controllers (PLCs), CNC machines, and other industrial control equipment. Point-of-sale (POS) systems often utilize serial ports for connecting barcode scanners, receipt printers, and cash drawers. Scientific laboratories use them for connecting older analytical instruments and data acquisition systems. Hobbyists and retro computing enthusiasts also use these ports for connecting vintage modems and other serial communication devices. In some older networking equipment, the serial port is used for console access and configuration.
Buying Guide - How to Choose
When buying a 9 pin serial port motherboard, verify the compatibility of the serial port with your specific legacy device. Check the required baud rate, data bit, parity, and stop bit settings. Ensure the motherboard supports the necessary operating system drivers for your device. Consider the location of the DB9 connector on the motherboard and whether it is easily accessible within your computer case. If the motherboard doesn't have an onboard serial port, consider an add-on PCI-e serial port card. Avoid cheap, unbranded cards as they may have unreliable performance. Always check the motherboard's specifications sheet for the precise voltage levels supported by the serial port. Incompatible voltage levels can damage your connected device. Finally, check customer reviews regarding the reliability and performance of the serial port on the specific motherboard model.
Why Buy from Nilgiri Stores?
At Nilgiri Stores, we understand the importance of reliable connectivity. We offer authentic 9 pin serial port motherboards sourced directly from reputable manufacturers. Enjoy fast and reliable delivery across India, ensuring you get the components you need quickly. Our competitive pricing makes us the ideal choice for budget-conscious buyers. We also provide a quality guarantee on all our products, so you can buy with confidence. Our dedicated customer support team is always ready to assist you with any queries or concerns. Shop with Nilgiri Stores for a seamless and trustworthy online shopping experience!
Quality & Authenticity
Nilgiri Stores is committed to providing only genuine and high-quality products. We source our 9 pin serial port motherboards from authorized distributors of leading brands. Each product undergoes rigorous quality checks to ensure it meets our strict standards. We offer warranties on our motherboards, providing you with peace of mind. We ensure all products come with proper documentation and genuine manufacturer certifications.
What Our Customers Say
Customers consistently praise the 9 pin serial port motherboards purchased from Nilgiri Stores for their reliable performance and compatibility with older devices. Many appreciate the ease of installation and the availability of necessary drivers. Users have reported successful connections with a variety of legacy devices, including barcode scanners, scientific instruments, and industrial equipment. The fast delivery and excellent customer support have also been frequently mentioned in positive reviews. Customers also report good value for money.