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HP 25525-80001 EISA Fast Differential SCSI 2 Host Bus Adapter
- EISA (Extended Industry Standard Architecture) interface
- Fast Differential SCSI 2 support
- Host Bus Adapter (HBA)
- Connects SCSI peripheral devices
- Supports high-speed data transfers (for EISA era)
- Designed for older HP systems
- Enables connection to SCSI hard drives and tape drives
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Product Overview
The HP 25525-80001 is an EISA Fast Differential SCSI 2 Host Bus Adapter (HBA). It is designed to connect SCSI peripheral devices, such as hard drives and tape drives, to older EISA-based computer systems, supporting high-speed data transfers for its era.
Technical Information
| Product Type | Host Bus Adapter (HBA) |
| Interface | EISA |
| SCSI Standard | Fast Differential SCSI 2 |
Additional Specifications
| Data Transfer Rate | Up to 10MB/s (Fast SCSI) |
| Connectors | Internal/External SCSI connectors (assumed) |
Product Description
The HP 25525-80001 is a legacy Host Bus Adapter (HBA) designed for older computer systems that utilize the EISA (Extended Industry Standard Architecture) bus. This adapter's primary function is to provide a high-speed interface for connecting SCSI (Small Computer System Interface) peripheral devices, such as hard disk drives, optical drives, and tape backup units, to the host computer. The 'Fast Differential' aspect indicates support for differential signaling, which allows for longer cable lengths and improved signal integrity compared to single-ended SCSI, while 'Fast SCSI' denotes a data transfer rate of up to 10MB/s. This HBA was crucial in its time for enabling robust storage expansion and data management capabilities in high-end workstations and servers that employed the EISA bus architecture. EISA was an enhancement over the original ISA bus, offering greater bandwidth and plug-and-play capabilities. The SCSI 2 standard itself was a significant advancement, providing a more versatile and efficient way to connect multiple devices in a daisy-chain configuration. Given its EISA interface and SCSI 2 support, the HP 25525-80001 is primarily relevant for maintaining or restoring functionality on vintage HP computer systems. It represents a key component in the evolution of computer storage interfaces, bridging the gap between early PC architectures and the more advanced storage technologies that followed. Its inclusion in a technical catalog highlights the need to support a wide range of hardware, including legacy systems.
