Product name Combo 2 DB-9 Serial (RS-232, COM) + 1 DB-25 Parallel Printer Ports (LPT1) PCI-e Controller CardAX99100 ChipsetProduct model IO-PCE99100-2S1PProduct description 1.Features 1). PCI Express. Single-lane (X1) PCI Express End-point Controller with PHY integrated. Compliant with PCI Express 2.0 Gen 1. Compliant with PCI Express card specifications. Compliant with PCI Power Management 1.2 . Supports both legacy and MSI Interrupts. Supports ASPM Power ManagementPlease note some sections of the manual are only applicatable for the production that have such functions.2). Serial Port . Dual or Quad UARTs . Supports RS-232. Bi-directional speeds up to 25 Mbps per port Full Serial Modem Control . Supports Hardware, Software Flow Control . Supports 5, 6, 7, 8 and 9-bit Serial format . Supports Even, Odd, None, Space and Mark parity. Supports On Chip 256 Byte depth FIFOs in Transmit, Receive path of each Serial Port . Supports remote wakeup and power management features. Serial Port transceiver shutdown support . Supports Slow IrDA mode (up to 115200bps) on all Serial Ports. Supports multi-drop application for 9-bit mode. Provides RS-232 serial ports with +5 or +12 VDC power output via COM 1st or 9th pin. Supports DMA burst transfer. Operating temperature range: 0 to 70C or -40 to +85C option. Support special baud rate option3). IEEE1284 Parallel Port . Compatible with IEEE 1284-SPP/Byte/ECP Mode2. Applications . Serial Attached Devices. Serial Networking/Monitoring Equipment. Data Acquisition System. POS Terminal & Industrial PC. Add-On I/O Cards -Serial /USB. Embedded systems - For I/O expansion3. Software Support . Windows XP/2003 Server/Vista/7/8.x/10. Linux Kernel 2.6.15 and later. Android 1.x/2.x/3.x/4.x/5.x