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PCI 2-port RS232 Serial & 1-port Parallel 2S1P Combo Card with ASIX MCS9865 Chipset

  • Product Code: PCI-2S1P-9865
  • Availability: In Stock
  • Ships: Typically within 3 Business Days
  • Guarantee: 30-day Return and Money Back


The PCI-2S1P-9865 PCI Serial/Parallel Combo Card turns a PCI slot into two external 16C550 serial ports and one external EPP/ECP parallel port - an all-in-one solution that gives you both parallel and serial connections while taking up only one PCI slot. Suitable for installation in a small form factor computer, the PCI serial/parallel card includes an optional low profile/half-height mounting bracket that makes installation easy.

The serial/parallel combo card is PCI plug and play ready and supports IRQ sharing for fast, simple installation. The combo card is supported in virtually any Microsoft Windows operating environment (Windows® 7, Server 2008 R2, Vista, XP, ME, 2000, 98, 95 and NT4).


  • Supports PCI IRQ sharing-saves valuable resources for other expansion card
  • Support 32-bit PCI Bus, PCI Specification 2.1
  • Two 16C550 serial ports with data transfer up to 115.2 Kbits/sec
  • One EPP/ECP parallel port with data transfer up to 1.5 Mbits/sec
  • DB25 Parallel Port
    • Build-in SPP, PS2, EPP, ECP compatible IEEE 1284 printer port
    • Fast data rates up to 1.5 Megabytes/sec
    • Build-in 16 Bytes FIFO
  • DB9 Serial Port
    • Build-in 16C550 compatible UART with 16 byte transmit-receive FIFO
    • Fast data rates up to 1 Mbytes/sec
    • Able to support 16C650 (32 byte FIFO), 16C750 (64 byte FIFO), 16C850 (128 byte FIFO) compatible UART (Not all version).
  • Includes optional low profile/half-height mounting bracket
  • IRQ sharing eliminates conflicts between multiple cards


  • Chipset Moschip: MCS9865
  • Bus Interface: PCI Rev 2.1
  • Connectors
    • 2 x DB-9 (9 pin, D-Sub)
    • 1 x DB-25 (25 pin, D-Sub)
  • Data rate
    • Parallel: up to 1.5Mbytes/sec
    • Serial: up to 115200bps
  • Function
    • Plug & Play
    • Automatically selects IRQ and I/O address
  • OS Compatibility
    • Windows® DOS, 95, 98SE, 2000, POS Ready 2009, Embedded System 2009, CE 5.0/6.0, XP Embedded, 2000, XP, Vista, 7, 8, 8.1, 10
    • Windows Server® 2003, 2008 R2, 2012, 2016, 2019
    • Mac OS X® 10.4 to 10.9
    • Linux 3.5.x to 4.11.x LTS Versions only

Package Contents

  • PCIe MCS9865 2S1P Card
  • Low Profile Bracket 
  • Driver CD
  • User Manual

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