StarTech DB9/DB25 PCI-Express Serial & Parallel Combo Card
StarTech PCI-Express combo card with a DB25 parallel port and DB9 RS232 serial port. Asix AX99100 chipset and IEEE 1284 compatible parallel port.
The StarTech DB9/DB25 PCI-Express Serial & Parallel Combo Card adds one DB25 parallel port and one DB9 RS232 serial port to a desktop computer through a single PCI-Express slot.
Overview
This interface card provides legacy connectivity for modern desktop computers, allowing a wide range of older equipment to connect to current systems. It can be used to interface with industrial printers, barcode scanners, scientific sensors, point-of-sale terminals, and specialised legacy hardware.
Performance
The card is built around the Asix AX99100 chipset. The parallel port transfers data at up to 2.5 Mb/s and is fully IEEE 1284 compatible, supporting SPP, Byte, Nibble, and ECP modes. The serial port transfers data at up to 921.6 Kb/s and uses a 16950 UART with a 256-byte FIFO buffer, which supports reliable data flow and reduces CPU overhead during high-speed communication.
Key Features
- Optional SATA power input for adjustable 5V–12V supply on pin 9 of the serial port
- Useful for powering devices that require supplementary power directly from the port
- PCI Power Management 1.2 compliant for efficient power usage
- Installs into any full-size PCI-Express 2.0 x1 slot
Specifications
- Parallel port: DB25, IEEE 1284 compatible
- Serial port: DB9 RS232
- Weight: 120 g
Choose the StarTech DB9/DB25 PCI-Express Serial & Parallel Combo Card when you need to connect legacy equipment to a desktop computer through a single PCI-Express slot.
- Connecting industrial printers
- Connecting barcode scanners
- Connecting scientific sensors
- Connecting point-of-sale terminals
- Chipset: Asix AX99100
- Parallel Port: 1 x DB25, IEEE 1284 compatible
- Parallel Port Modes: SPP, Byte, Nibble, ECP
- Parallel Port Maximum Transfer Rate: 2.5 Mb/s
- Serial Port: 1 x DB9 RS232
- Serial Port UART: 16950 with 256-byte FIFO buffer
- Serial Port Maximum Transfer Rate: 921.6 Kb/s
- Optional Power Feed: SATA power input, adjustable 5V–12V on serial port pin 9
- Power Management: PCI Power Management 1.2 compliant
- Compatibility: Full-size PCI-Express 2.0 x1 slot
- Width: 3
- Depth: 2.5
- Height: 4
- Weight: 120 g
Always follow local regulations and product guidance.
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