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Adaptec AHA-1535A/AI Adaptec Aha-1535A/Ai Isa SCSI Controller Card, 939506-01, Fgt1535A
- ISA bus interface
- SCSI controller
- Designed for legacy systems
- Provides connectivity for SCSI peripherals
- Part number 939506-01
- Related to FGT1535A
- Supports multiple SCSI devices
- 16-bit ISA slot compatibility
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Product Overview
The Adaptec AHA-1535A/AI is an ISA SCSI Controller Card, identified by part number 939506-01 and related to the FGT1535A. It provides SCSI connectivity for legacy systems using the ISA bus.
Technical Information
| Product Type | SCSI Controller Card |
| Interface | ISA (Industry Standard Architecture) |
| Bus Type | 16-bit ISA |
| SCSI Standard | SCSI-2 (likely) |
Additional Specifications
| Number of Devices | Up to 7 (typical for this class) |
| Part Number | 939506-01 |
| Form Factor | Expansion Card |
| Manufacturer | Adaptec |
Product Description
The Adaptec AHA-1535A/AI, also referenced by part number 939506-01 and associated with the FGT1535A designation, is an ISA SCSI controller card. This hardware was designed to bring the capabilities of SCSI (Small Computer System Interface) to older computer systems that utilized the Industry Standard Architecture (ISA) bus. In an era where IDE interfaces offered limited functionality and expandability, SCSI controllers like the AHA-1535A/AI provided a more robust and versatile solution for connecting high-performance peripherals. This card typically operates over a 16-bit ISA slot, allowing it to communicate with the host system's CPU and memory. It enables the connection of multiple SCSI devices, such as hard drives, tape drives, CD-ROM drives, and scanners, often supporting up to seven devices on a single channel. The inclusion of both internal and external connectors (though specific connector types may vary) provided flexibility for internal storage expansion and external peripheral attachment. The AHA-1535A/AI is a legacy component, primarily of interest for users maintaining or restoring vintage computer systems that rely on ISA bus technology. Its function was to provide a high-speed, multi-device interface that was essential for workstations and servers requiring advanced storage capabilities before the widespread adoption of PCI and other more modern bus architectures. Its specific model designation and part number help in identifying its exact specifications and compatibility within the Adaptec product lineage.
