Product description:

Features: 1. It is easy to allow more serial and parallel devices to be connected to your computer.

2. Two 9pin RS232 DB9 external serial ports and one DB 25 external parallel LPT port.

3. Complies with PCI Express Specification Revision 1.1.

4. WCH382 master chip, stable and powerful.

5. PCI Express single lane (x1) bus bandwidth 2.5 Gbps.

6. Support for DOS, Windows 8 / 7 / Vista / XP / 2000 / Server 20032008 32/64 bit, Linux operating system.

Specifications:

Compliant with PCIExpress Specification Revision 1.1

PCIExpress SingleLane (x1) bus bandwidth 2.5Gbps

Support for DOS, Windows 8 / 7 / Vista / XP / 2000 / Server 20032008 32/64bit, Linux and other operating systems

Parallel interface (LPT)

I/O address: assigned by BIOS

IRQ: Assigned by BIOS

Support for SPP, PS2, EPP & ECP and mode

Serial interface (RS232)

Compliant with industry standard 16C450/16C550 UART

The chip has a builtin 256byte FIFO and onchip H/W, S/W flow control function.

The data transmission rate of each serial port can reach 250Kbps (customized data transmission can reach 1Mbps)

Baud rate: 230.4Kbps

Serial communication parameters Data bits: 5, 6, 7, 8

Stop position: 1, 2

Parity: None, Even, Odd, Space, Mark

Flow control: RTS/CTS, XON/XOFF

I/O address: assigned by BIOS

IRQ: Assigned by BIOS

Serial signal for RS232: TxD, RxD, RTS, CTS, DTR, DSR, DCD, GND

Package List:

1 * riser card

1 * cover board

1 * serial cable