Description
The National Instruments NB-DMA-8-G Direct Memory Access Board is a high-performance component manufactured by National Instruments, forming part of their NB Series. It carries the part number 776161-01 and is designed to be compatible with the Macintosh II platform, as well as supporting NI-488, LabVIEW, and NI-DAQ for Macintosh software.
Equipped with an Intel 2380 DMAC chip, the board can handle a maximum of seven DMA requests through the RTSI bus and supports an additional eight DMA requests via the onboard IEEE-488 interface. The board includes both a 50-pin connector and a 96-pin connector to facilitate connections with other boards.
The NB-DMA-8-G supports various DMA transfer modes, including single, demand, and block modes, and is capable of data transfer using fetch-and-deposit modes through two single NuBus transactions. It can manage channel transactions of 8-bit, 16-bit, or 32-bit, providing flexibility for different data widths.
Among its notable features, the board boasts buffer chaining, auto initialization, and TC interrupt capabilities, making it a robust solution for data acquisition and control applications within a variety of professional settings.
| Specification | Details |
|---|---|
| Product Name | National Instruments NB-DMA-8-G Direct Memory Access Board |
| Manufacturer | National Instruments |
| Series | NB Series |
| Part Number | 776161-01 |
| Compatibility | Macintosh II platform, NI-488, LabVIEW, NI-DAQ for Macintosh |
| DMAC Chip | Intel 2380 |
| RTSI Bus DMA Requests | Maximum of seven DMA requests |
| IEEE-488 Interface DMA Requests | Support for eight DMA requests |
| Connectors | 50-pin connector, 96-pin connector |
| DMA Transfer Modes | Single, demand, block |
| Data Transfer Methods | Fetch-and-deposit modes utilizing two single NuBus transactions |
| Channel Transactions | 8-bit, 16-bit, 32-bit |
| Features | Buffer chaining, auto initialization, TC interrupt |
Q1: What are the capabilities and features that the National Instruments NB-DMA-8-G Direct Memory Access Board offers for professional data acquisition and control applications on the Macintosh II platform?
A1: The National Instruments NB-DMA-8-G Direct Memory Access Board offers capabilities such as handling up to seven DMA requests via the RTSI bus and an additional eight through the IEEE-488 interface, supporting DMA transfer modes like single, demand, and block modes, and managing data transfers in fetch-and-deposit modes across 8-bit, 16-bit, or 32-bit channel transactions. Its key features include an Intel 2380 DMAC chip, buffer chaining, auto initialization, TC interrupt capabilities
Q2: What are the capabilities and features of the National Instruments NB-DMA-8-G Direct Memory Access Board designed for the Macintosh II platform, and which software does it support?
A2: The National Instruments NB-DMA-8-G Direct Memory Access Board with part number 776161-01 is a high-performance board designed for the Macintosh II platform, featuring an Intel 2380 DMAC chip that handles up to seven DMA requests via the RTSI bus and eight through the IEEE-488 interface. It supports various DMA transfer modes such as single, demand, and block modes and manages 8-bit, 16-bit, or 32-bit channel transactions, with capabilities like buffer
Q3: What are the capabilities and specifications of the National Instruments NB-DMA-8-G Direct Memory Access Board with part number 776161-01, and how does it support data acquisition and control applications within professional settings?
A3: The National Instruments NB-DMA-8-G Direct Memory Access Board, designed for the Macintosh II platform, is equipped with an Intel 2380 DMAC chip and supports up to seven DMA requests through the RTSI bus and an additional eight via the onboard IEEE-488 interface. It offers various DMA transfer modes, including single, demand, and block modes, and can manage data transfer in 8-bit, 16-bit, or 32-bit channel transactions. The board’s features include buffer
Q4: What capabilities does the National Instruments NB-DMA-8-G Direct Memory Access Board offer for managing data acquisition and control applications on the Macintosh II platform?
A4: The National Instruments NB-DMA-8-G Direct Memory Access Board is a versatile component of the NB Series, featuring an Intel 2380 DMAC chip that handles up to seven DMA requests through the RTSI bus and an additional eight via the IEEE-488 interface. It supports various DMA transfer modes including single, demand, and block modes, and can perform data transfers using fetch-and-deposit modes across two single NuBus transactions. The board is capable of managing 8-bit, 16-bit
Q5: What are the capabilities and features of the National Instruments NB-DMA-8-G Direct Memory Access Board, and how does it support data acquisition and control applications on the Macintosh II platform?
A5: The National Instruments NB-DMA-8-G Direct Memory Access Board offers capabilities such as handling up to seven DMA requests through the RTSI bus and an additional eight via the IEEE-488 interface, supporting various DMA transfer modes including single, demand, and block modes, managing channel transactions of 8-bit, 16-bit, or 32-bit widths, and featuring buffer chaining, auto initialization, and TC interrupt capabilities, all of which facilitate robust data acquisition and control applications on the Macintosh II platform
