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NIVXIPC-770 Datasheet(PDF) 2 Page - National Instruments Corporation |
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NIVXIPC-770 Datasheet(HTML) 2 Page - National Instruments Corporation |
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2 / 5 page  Processors The VXIpc-77x controllers feature the 566 MHz Intel Celeron processor in the FC-PGA2 package. The VXIpc-771 features the 1.26 GHz Intel Pentium III processor. The processor comes with 128 KB of level 2 cache and interfaces to the chipset through the AGTL+ system bus. Memory VXIpc-77x controllers come with two SO-DIMM sockets for memory. 256 MB of SDRAM is installed in one socket, leaving the other socket available for expansion. The system handles a maximum of 512 MB of memory. You can purchase additional 256 MB memory modules and upgrade your system memory. Intel 82815 Graphics Controller VXIpc-77x controllers use the integrated Intel 82815 graphics controller and dynamic memory video technology (DMVT). Using DMVT, the integrated graphics controller achieves optimum graphics and memory performance by dynamically sharing the high-speed PC133 system memory. With this video memory management, the controllers can handle a wide range of video resolutions and colors, a few of which are listed in Table 2. 10/100BaseT Ethernet VXIpc-77x controllers use the Intel integrated LAN controller and the 82562 Platform LAN Connect Fast Ethernet controller. The controller automatically negotiates connections for 10BaseT and 100BaseTX. IEEE 488.2/HS488 Interface VXIpc-77x controllers use the NI PCI mini-MITE and NI TNT4882 ASIC (PCI-GPIB-compatible), giving full GPIB control of external instruments via a front panel connector. GPIB control capability is fully IEEE 488.2-compatible. The GPIB interface is fully compatible with the NI industry-standard NI-488.2 driver software for a variety of operating systems. Any software using NI-488.2 runs on a VXIpc-770 controller. Using the HS488 protocol, the controller can handle speeds up to 8 MB/s. NI Watchdog The NI watchdog is a counter/timer for monitoring an application program. Your software automatically checks in with NI watchdog. Please call National Instruments technical support for more information on this feature. Real-Time Clock VXIpc-77x controllers use the integrated real-time clock along with a user-replaceable battery for CMOS setting backup. The battery is a hermetically sealed lithium battery, making it suitable for use in industrial applications. BIOS The Phoenix BIOS was developed specifically for the VXIpc-77x controllers. The BIOS incorporates a PXE network boot ROM so you have the option of adding network booting. USB CD-ROM Drive National Instruments offers an optional external USB CD-ROM drive for use with VXIpc-77x embedded controllers. Using the USB interface, you can connect this CD-ROM drive to your embedded controller for easy system software recovery, installation, and upgrades. The USB port completely powers this CD-ROM drive, so no external power connections are required. USB Floppy Drive National Instruments also offers an optional external USB floppy drive for use with the VXIpc-77x embedded controllers (see Figure 2). The floppy drive connects directly through USB and requires no external power. This USB floppy drive is an excellent option for easy software installation or read/write data storage access on a floppy diskette. Embedded Single-Slot VXIbus Controllers 2 National Instruments • Tel: (800) 433-3488 • Fax: (512) 683-9300 • info@ni.com • ni.com Socket 370 CPU Graphics Memory Controller Hub SO-DIMM SDRAM PC 133 2 USB Connectors VGA Connector 10/100BaseT Ethernet I/O Controller Hub (ICH2) ATA 100 IDE Interface LPT 1 COM 1, COM 2 Firmware Hub Super I/O XBus Keyboard/ Mouse LPC Bus Hub Interface Chipset Chipset Watchdog PS/2 VXI Interface External Clock SMB VXI Trigger IN SMB VXI Trigger OUT SMB PCI GPIB PCI Bus Figure 1. VXIpc-77x Block Diagram Figure 2. USB Floppy Drive Table 2. VXIpc-770 Graphics Compatibility Resolution Colors 640 x 480 16 M colors 800 x 600 16 M colors 1024 x 768 16 M colors 1280 x 1024 16 M colors 1600 x 1200 256 colors |
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