Description
The NI 8221 is a 2-Slot PC (CardBus and PCMCIA) Carrier for PXI/CompactPCI, with a part number of 187909B-01. This device falls under the category of Timing and Synchronization, designed to enhance system capabilities by offering additional slots for expansion. It can accommodate two slots (either two type I/II or one type III PC Cards), providing versatility in usage.
It supports both 16-bit PCMCIA PC Cards and 32-bit CardBus PC Cards, allowing for a wide range of card types to be used. The PCI bus speed can reach up to 132 Mbytes/s, ensuring fast data transfer rates that can significantly improve performance for timing and synchronization tasks.
The NI 8221 is compatible with 3.3 or 5 V PC Cards, offering flexibility in terms of power requirements. The interface used by this device is PCI, a common interface that ensures compatibility with a broad range of systems. In terms of user feedback, it is equipped with two LED status indicators that provide visual cues about the device’s status.
A unique feature of the NI 8221 is its serialized IRQ for handling PCMCIA PC Cards, which simplifies the management of resources and enhances the device’s efficiency in processing card data. Although it has been announced as obsolete by National Instruments, it remains available for purchase and repairs through Apex Waves, ensuring support for users who rely on this specific model for their timing and synchronization needs.
| Specification | Detail |
|---|---|
| Part Number | 187909B-01 |
| Category | Timing and Synchronization |
| Model | PXI-8221 |
| Description | NI 8221, 2-Slot PC (CardBus and PCMCIA) Carrier for PXI/CompactPCI |
| Slot Capacity | Two slots (either two type I/II or one type III PC Cards) |
| Supported Card Types | 16-bit PCMCIA PC Cards, 32-bit CardBus PC Cards |
| PCI Bus Speed | Up to 132 Mbytes/s |
| Voltage Compatibility | 3.3 or 5 V PC Cards |
| Interface | PCI |
| Status Indicators | Two LED status indicators |
| Special Feature | Serialized IRQ for handling PCMCIA PC Cards |
| Obsolete Status | Announced by National Instruments, available for purchase and repairs by Apex Waves |
Question 1: What is the part number of NI PXI-8221?
Answer 1: 187909B-01
Question 2: How many slots does NI PXI-8221 support?
Answer 2: 2 slots for either two type I/II or one type III PC Cards.
Question 3: Does NI PXI-8221 support 32-bit CardBus PC Cards?
Answer 3: Yes, it supports both 16-bit PCMCIA and 32-bit CardBus PC Cards.
Question 4: What is the PCI bus speed of NI PXI-8221?
Answer 4: Up to 132 Mbytes/s
Question 5: Is the NI PXI-8221 obsolete?
Answer 5: Yes, but it’s still available for purchase and repairs through Apex Waves.




