1. Product Overview
Product Name: BUF-Card(PC)H
Model: BUF-Card(PC)H
Series: AT/ISA to PCMCIA Bus Expansion System Series
Article Number: BUF-Card(PC)H
Manufacturer: Contec Co., Ltd.

The Contec BUF-Card(PC)H is a specialized AT/ISA to PCMCIA bus expansion system designed to enable legacy AT or ISA-based computer systems to interface directly with PCMCIA (Personal Computer Memory Card International Association) cards. This product serves as a bridge between older industrial or embedded computing platforms and modern PCMCIA-based peripheral devices, providing a reliable and electrically stable interface for data communication, storage, and peripheral expansion. The BUF-Card(PC)H supports PCMCIA 2.0 or later standards and accommodates Type I, Type II, and Type III PCMCIA cards, offering broad compatibility across a range of card-based devices such as network adapters, modems, flash memory cards, and specialized industrial I/O modules.

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2. Key Features
- AT/ISA Bus to PCMCIA Interface: Provides a direct hardware-level interface between an ISA bus system and PCMCIA cards, enabling legacy systems to utilize modern PCMCIA peripherals.
- PCMCIA 2.0 and Later Compatibility: Fully compliant with PCMCIA 2.0 specifications, ensuring support for a wide range of PCMCIA cards, including memory, I/O, and communication cards.
- Multi-Type Card Support: Compatible with Type I, Type II, and Type III PCMCIA cards, allowing flexible use of various card thicknesses and functionalities.
- Compact Half-Size ISA Form Factor: Designed as a half-size ISA bus card, measuring 160 mm x 107 mm, suitable for installation in compact industrial PCs or embedded systems.
- Low Power Consumption: Operates on 5 VDC at 150 mA, minimizing power draw and heat generation, ideal for systems with limited power budgets.
- Dual I/O Port Addressing: Utilizes I/O addresses 0x3E0 and 0x3E1, providing a simple and conflict-free addressing scheme for system integration.
- High Reliability and Industrial Durability: Engineered for continuous operation in industrial environments, with robust electrical design and stable signal integrity.
- Plug-and-Play Expansion Capability: Enables seamless addition of PCMCIA functionality to existing ISA-based systems without extensive hardware modification.
- Manufacturer Support and Documentation: Backed by Contec’s industrial-grade quality assurance, technical documentation, and long-term product support.

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3. Technical Specifications
- Bus Interface: AT/ISA bus (8/16-bit compatible)
- Supported Card Standard: PCMCIA 2.0 or later
- Supported Card Types: Type I, Type II, Type III PCMCIA cards
- Maximum Current Supply to Card: 1.2 A (max)
- I/O Address Range: 0x3E0h – 0x3E1h (two ports)
- Power Requirements: +5 VDC ±5%, 150 mA typical consumption
- Physical Dimensions: 160 mm (L) × 107 mm (H)
- Form Factor: Half-size ISA card
- Operating Voltage (Card Slot): 5 VDC (regulated from system supply)
- Bus Signal Compatibility: TTL-level ISA signals, buffered for PCMCIA interface
- Operating Temperature Range: Typically 0°C to 50°C (industrial standard, dependent on system environment)
- Storage Temperature Range: -20°C to 70°C (typical)
- Relative Humidity: 10% to 90% RH (non-condensing)
- Weight: Approx. 150–200 g (depending on configuration)
- Material: Multi-layer FR-4 PCB with gold-plated edge connector and reinforced mounting bracket
- Connector Type: Standard 68-pin PCMCIA card slot connector
- Compliance: PCMCIA 2.0, ISA bus electrical and mechanical standards

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4. Functionality
The BUF-Card(PC)H functions as a bus expansion interface, translating ISA bus signals into PCMCIA-compatible signals. When installed in an ISA slot of an AT-compatible computer, it provides a fully functional PCMCIA slot accessible by the system’s operating environment.

Operational Principle:
- The ISA bus provides address, data, and control signals to the BUF-Card(PC)H.
- The onboard logic circuitry buffers and translates these signals to conform to PCMCIA electrical and timing specifications.
- The PCMCIA slot then allows insertion of a PCMCIA card, which the system recognizes as an I/O or memory-mapped device.
- The card’s power is supplied through the board’s regulated 5 VDC line, with a maximum current of 1.2 A to support high-power cards.

Use Cases and Applications:
- Industrial Automation: Integrating PCMCIA-based data acquisition or communication cards into legacy control systems.
- Embedded Systems: Providing removable storage or network connectivity in embedded controllers with ISA architecture.
- Legacy System Upgrades: Extending the functionality of older AT/ISA computers to support modern PCMCIA peripherals.
- Testing and Development: Useful in laboratory environments for testing PCMCIA cards on ISA-based test benches.
- Field Service Equipment: Enables portable or rack-mounted systems to interface with PCMCIA diagnostic or communication modules.

Compatibility:
- Compatible with standard AT/ISA bus systems.
- Supports PCMCIA cards conforming to version 2.0 or later specifications.
- Works with operating systems and drivers that support PCMCIA interfaces through ISA bus adapters (e.g., DOS, Windows 9x, or embedded OS environments).

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5. Components & Accessories
Included Items:
- BUF-Card(PC)H main ISA card assembly
- Integrated 68-pin PCMCIA slot connector
- Mounting bracket for securing the card to the chassis
- User manual and installation guide (PDF or printed)
- Driver disk or download link (depending on system requirements)

Optional Accessories:
- PCMCIA extension cable or external slot adapter (for remote card access)
- Replacement mounting brackets for different chassis configurations
- Power extension harness (if additional current supply is required)
- Diagnostic utility software for PCMCIA card detection and configuration

Connectors:
- ISA Edge Connector: Standard 98-pin (ISA) gold-plated edge connector for motherboard interface
- PCMCIA Slot Connector: 68-pin female connector supporting Type I/II/III cards
- Power Input: Supplied through ISA bus +5 V line (no external power required)

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6. Installation & Setup
Requirements:
- Available ISA slot in the host computer (8-bit or 16-bit compatible)
- System BIOS and operating system capable of recognizing ISA I/O devices
- +5 VDC power supply available from the system bus

Installation Steps:
1. Power down the host system and disconnect it from the power source.
2. Insert the BUF-Card(PC)H into an available ISA slot, ensuring proper alignment of the edge connector.
3. Secure the card using the provided mounting bracket and screws.
4. Reconnect system power and boot the computer.
5. Configure the I/O address (if required) to 0x3E0h–0x3E1h, ensuring no conflicts with other devices.
6. Install the necessary PCMCIA driver or software utility provided by Contec or the operating system.
7. Insert the desired PCMCIA card into the slot; the system should detect and initialize the card automatically.

Mounting Options:
- Internal installation within desktop or industrial PC chassis.
- Optional external PCMCIA slot extension via cable (if supported).

Configuration:
- I/O address configuration via software or jumper (depending on revision).
- Power management and card detection handled automatically by onboard logic.

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7. Performance & Capabilities
- Bus Throughput: Limited by ISA bus bandwidth (typically up to 8 MB/s theoretical).
- Card Power Supply: Up to 1.2 A at 5 VDC, sufficient for most PCMCIA I/O and memory cards.
- Signal Integrity: Buffered and isolated signal lines ensure stable communication between ISA and PCMCIA interfaces.
- Latency: Minimal additional latency introduced by signal translation circuitry.
- Efficiency: Low power consumption (150 mA typical) ensures minimal impact on system power budget.
- Reliability: Designed for continuous operation in industrial environments; high MTBF due to passive design and minimal moving parts.
- Limitations:
- Limited to PCMCIA 2.0 or later (does not support CardBus or ExpressCard).
- Dependent on host system’s ISA bus speed and available I/O resources.
- Requires appropriate driver support for full functionality under modern operating systems.

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8. Standards & Compliance
- PCMCIA Standard: Compliant with PCMCIA 2.0 and later specifications.
- ISA Bus Standard: Conforms to ISA (Industry Standard Architecture) electrical and mechanical specifications.
- Electrical Safety: Designed to meet standard low-voltage DC safety requirements.
- EMC Compliance: Meets typical industrial electromagnetic compatibility standards (dependent on system integration).
- RoHS Compliance: Manufactured using lead-free solder and RoHS-compliant materials (depending on production batch).
- Quality Assurance: Produced under Contec’s ISO 9001-certified quality management system.

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9. Additional Information
Warranty:
- Standard manufacturer warranty (typically 1 year) covering defects in materials and workmanship.
- Extended warranty options may be available through Contec distributors.

Support:
- Technical support available via Contec’s online portal, email, or authorized service centers.
- Access to updated drivers, firmware, and documentation through Contec’s official website.

Maintenance:
- No regular maintenance required beyond standard dust removal and contact cleaning.
- Periodic inspection of connectors recommended for long-term reliability.

Firmware & Software Updates:
- Driver and utility updates provided by Contec for supported operating systems.
- Firmware updates rarely required due to stable hardware-based design.

Lifecycle & Availability:
- Designed for long-term availability to support industrial and embedded system lifecycles.
- Replacement parts and compatible accessories available through Contec’s distribution network.

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Summary
The Contec BUF-Card(PC)H AT/ISA to PCMCIA Bus Expansion System is a robust, industrial-grade interface solution that bridges the gap between legacy ISA-based computing platforms and PCMCIA peripheral technology. With its compact half-size ISA form factor, low power consumption, and full PCMCIA 2.0 compatibility, it provides a reliable means to extend the functionality of older systems. Supporting Type I, II, and III cards with up to 1.2 A current supply, the BUF-Card(PC)H is ideal for industrial automation, embedded control, and legacy system integration applications. Its adherence to PCMCIA and ISA standards, combined with Contec’s quality assurance and support, ensures dependable performance and long-term operational stability in demanding environments.