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 Le PCI expansion to 232 serial port expansion cards four RS232 serial COM card 9865 chip performance and stability Product Name: four RS232 serial card PCI to 4-port card Model: MM-PIO9865-4S chip models: MOSCHIP MCS986 Description: PCI 4 serial ports cards, two DB9 installed in an iron bracket, a total of two flaps Features: Plug and Play, automatically assigned IRQ and I / O address support PCI I / Q shared manually change the port number of the new serial card application Range: power control in telecommunication equipment network POS systems office automation Specifications: Compatible with PCI 2.2 standard, plug and play; 2/4/8 integrated serial communications port; with Oxford 16PCI95x driver chips; RS-232 port can be up to speed up to 921.6Kbps; each port 128-byte FIFO buffer; System Requirements: 32PCI slot of a PC can be installed in 64-bit PCI slots IPC MS Windows 98SE / Me / 2000 / XP / NT4.0, Linux, DOS packing list: 4-port card brochures Driver CD 1 with 2DB9 port and cable iron brackets more details visit the official website: www.mmui.com.cn