The National Instruments NB-DIO-32F is a NuBus digital I/O board for legacy Macintosh systems. It provides four 8-bit read/write ports with handshaking support.
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Key product information and technical features.
The NB-DIO-32F belongs to National Instruments' Macintosh NuBus data acquisition hardware. Its main digital interface comprises ports 0 through 3, each eight bits wide.
Archived NI documentation lists Macintosh NI-DAQ support for this model. System planning should distinguish this historical software environment from modern NI driver platforms.
Verified product specifications.
| Bus interface | NuBus |
|---|---|
| Main digital port count | 4 ports |
| Main digital port width | 8 bits |
| Main digital port numbers | 0, 1, 2, 3 |
| Main port direction | Read or write |
| Digital clocks | Two 16-bit clocks with variable timebase |
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Manufacturer
Host platform and bus
Digital I/O board
Archived NI hardware support table lists Macintosh NI-DAQ 4.8 to 4.9.
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Product-specific answers based on available technical information.
NI lists the NB-DIO-32F among its Macintosh NuBus devices.
The archived hardware support table lists Macintosh NI-DAQ 4.8 to 4.9. This does not establish compatibility with modern operating systems or driver releases.