Review on StarTech.com Native PCI Express Combo Card: 2x Serial 1x Parallel RS232 Adapter (PEX2S5531P) by Gary Newman

I wrote this to assure Linux users of compatibility as there is no shortage of bug reports, fixes and source code archives on the web. This card is based on the MCS9901 chip and is easily picked up by Linux v 3.2.0 on a C216-based machine: [1.579554]0000:04:00.0:ttyS1 on I/O 0xd030 (irq=17) is ST16650V2 [1.643489] 0000:04: 00.1: ttyS2 at I/O 0xd020 (irq = 18) is ST16650V2[8.587035] parport_serial 0000:04:00.2: PCI INT C -> GSI 19 (level, low) -> IRQ 19[8.587183] parport0: PC style at address 0xd010 (0xd000), irq 19 [PCSPP,TRISTATE]lspci output:04:00.0 Serial Controller: NetMos Technology PCIe 9912 Multi-I/O Controller04:00.1 Serial Controller: NetMos Technology PCIe 9912 Multi-I/O Controller04 :00.2 Parallel Controller : NetMos Technology PCIe 9912 Multi-I/O Controller This time I'm too lazy to test CPU utilization, latencies and other fun metrics. Of course, the drop cable design isn't just useful in low-profile systems!