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National Instruments · VXI

AT-MXI

The National Instruments AT-MXI is a legacy interface board used with NI-VXI for VXI I/O access. Its configuration uses hardware jumpers and software resource settings rather than plug-and-play allocation.

ManufacturerNational Instruments

ModelAT-MXI

Product TypeLegacy VXI interface board

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ModelAT-MXI

ConfigurationNon-plug-and-play; hardware jumpers and VXIedit settings

Default interruptIRQ 12

Default DMA channel3

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Overview

Product overview

Key product information and technical features.

The AT-MXI belongs to National Instruments' legacy MXI interface hardware for VXI systems. NI's archived Windows 95 upgrade notes explicitly identify this board and document its system-resource configuration.

For the documented Windows 95 installation, the resources used by the 16-bit NI-VXI driver must be reserved manually. If the board's defaults have been changed, the reserved resources must match both the hardware jumper positions and the VXIedit configuration.

Documented NI-VXI interface hardware for legacy VXI I/O access.
Hardware-jumper configuration coordinated with the NI-VXI VXIedit utility.
Manufacturer-documented defaults for I/O addresses, interrupt, DMA channel, and memory window.

Verified specifications

Technical data

Verified product specifications.

Plug-and-play	No
Default I/O address range	0x0340–0x035F
Default interrupt	12 IRQ
Default DMA channel	3
Default memory address range	0x000D0000–0x000DFFFF
Configuration utility	VXIedit

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National Instruments

Manufacturer

NI-VXI

Driver and configuration environment

AT-MXI

Legacy VXI interface board

Windows 95 configuration

Reserve the driver's system resources manually and match them to the board jumpers and VXIedit settings.

Use AT-MXI-specific documentation; the cited release notes direct AT-MXI-2 users to separate kit documentation.

Manuals & software

Technical resources

Manuals, software and technical resources for this model.

NI-VXI Upgrade for Windows 95 Release Notes, 321070A-01Archived Release Notes · ni.com

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AT-MXI default resources and Windows 95 configuration requirementsTechnical resource

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FAQ

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Product-specific answers based on available technical information.

Is the AT-MXI a plug-and-play board?

No. NI's Windows 95 release notes identify it as non-plug-and-play and require manual reservation of the resources used by its driver.

What are the documented default system resources?

NI lists I/O addresses 0x0340–0x035F, IRQ 12, DMA channel 3, and memory addresses 0x000D0000–0x000DFFFF. These are defaults, not confirmation of an individual board's jumper settings.

What must match when changing AT-MXI resource settings?

The reserved system resources must match both the board's hardware jumper settings and the NI-VXI VXIedit configuration.