© National Instruments Corporation
G-1
VXIpc-486 Model 500 Series
Appendix G
VXIpc-486 Hardware Configuration
This appendix contains hardware configuration information about the VXIpc-486 Model 500
Series computer regarding memory map locations, I/O address map locations, interrupt lines, and
DMA channels.
Table G-1 shows the memory map locations used by the VXIpc-486 hardware windows to the
VXIbus, and plug-in PC board expansion slots. Table G-2 lists the I/O addresses that are used
by the VXIpc-486 and the Ethernet option. Table G-3 lists the hardware interrupt lines used by
the VXIpc-486, along with the corresponding functionality assigned to each line. Table G-4 lists
the PC AT DMA channels used by the VXIpc-486, along with the corresponding functionality
assigned to each channel.
When installing plug-in PC AT boards into a VXIpc-486 expansion slot, be careful to avoid
conflicts with the VXIpc-486 hardware setting. All other VXIpc-486 motherboard I/O devices
are mapped according to industry-standard PC AT conventions.
Table G-1. VXIpc-486 Model 500 Series Memory Map
Start-End Address
Size
VXIbus Access
A0000–BFFFF
128 KB
Super VGA
C8000–CFFFF
32 KB
VXI A16 Space Window
D0000–DFFFF
64 KB
For Plug-In PC Expansion Boards
E0000–EFFFF
64 KB
VXI A24/A32 Space Window
Summary of Contents for 500 Series
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