The National Instruments PXI-8155B is a robust CompactPCI-compatible PXI controller designed for a variety of industrial applications. This model is fully compliant with PXI bus specifications and features an integrated 3.5-inch 1.44 MB floppy drive, a 4 GB hard drive, and Super VGA graphics with 2 MB SGRAM. It offers a diverse range of connectivity options, including one IEEE 1284 parallel port, one serial port, and a USB port, along with connections for a PS/2 keyboard and mouse. The PXI-8155B is engineered to interface seamlessly with the PXI-1020 and PXI-1025 chassis, facilitating control signals for IDE devices and TFT LCDs. As a modular PC in the PXI 3U form factor, it incorporates essential peripherals typically requiring add-in cards in standard PCs. The PCI video circuitry features a 64-bit data path and supports dual displays (CRT and LCD) on Windows 98 systems. This controller includes a BIOS/RTC block for Real Time Clock Interface and boot functions, and employs the S3 Virge/MX Series chip family to enhance video performance with compatibility for S3 and Microsoft Windows video drivers. The PXI-8155B supports monitors with horizontal scan rates of 50 kHz and vertical scan rates of 60 Hz. Although the PXI-8155B has been designated obsolete by National Instruments, it remains available for purchase and repair through Apex Waves. For detailed specifications, the user manual and maintenance manual can be downloaded as needed.