The National Instruments GPIB-PCII/IIA is an IEEE 488.1 and IEEE 488.2 compatible interface card for ISA bus computers, delivering direct communication between host systems and GPIB instruments. Built around the NAT4882 ASIC controller, this half-size board executes Talker, Listener, and Controller functions in hardware, achieving data transfer rates exceeding 300 kbytes/s while reducing software overhead and improving system throughput.
Technical Specifications
• Controller Chip: National Instruments NAT4882 ASIC
• Data Transfer Rate: >300 kbytes/s
• Bus Interface: 8-bit ISA
• GPIB Connector: 24-pin Micro Ribbon female, RF-shielded
• Power Supply: +5 VDC from ISA I/O Channel
• Configurable I/O Address: Via DIP switches
• Interrupt Lines: 6 selectable options
• DMA Channels: 3 selectable options
• Dimensions: 111 mm (width) × 107 mm (length)
• Form Factor: Half-size ISA board
• Signal Buffers: TI SN75160 (data bus), TI SN75162 (control bus)
– Key Features
• Dual-mode operation: Configurable as GPIB-PCII or GPIB-PCIIA via DIP switches
• Hardware-based IEEE 488.2 Controller implementation reduces CPU utilization
• Compatible with legacy NEC µPD7210 and TI TMS9914A controller modes
• Flexible interrupt and DMA channel selection
– Environmental Specifications
• Operating Temperature: Per IEC 60068-2-1 and IEC 60068-2-2 standards
• Operating Humidity: 10% to 90% noncondensing (IEC 60068-2-56)
• Storage Temperature: -20 °C to 70 °C
• Storage Humidity: 5% to 95% noncondensing
– Compatibility & Integration
Supports IBM PC, PC/XT, PC/AT and compatible systems with ISA slots. Operates under DOS, Windows 3.1, Windows 9x/Me. Includes NI-488.2 driver software and integrates with LabVIEW, LabWindows/CVI, and Measurement Studio. FCC certified (EXNGPIB-PCII-IIA); meets Canadian Interference-Causing Equipment Regulations.
