Comprehensive Product Summary – DOM‑0512M‑44H‑432 (512 MB Disk On Module, 44‑Pin Horizontal)

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### 1. Product Overview

Product Name: Disk On Module (DOM)
Model Number: DOM‑0512M‑44H‑432
Series: DOM‑2000 / FFD‑2000 Series (Industrial IDE Flash Disk Storage Device)
Article Number: DOM‑0512M‑44H‑432
Manufacturer: Power Quotation International Co., Ltd. (PQI) – IC Storage Specialist
Trademark: DiskOnModule™

The DOM‑0512M‑44H‑432 is a solid‑state flash storage module designed as a direct IDE hard‑disk replacement. It uses a 44‑pin horizontal (L‑shaped) IDE connector and provides 512 MB of non‑volatile NAND flash storage. The module is part of PQI’s industrial‑grade DOM‑2000 series, engineered for embedded, industrial, and portable systems requiring high reliability, low power consumption, and resistance to vibration and temperature variations.

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### 2. Key Features

- True IDE Compatibility: Fully compliant with ATA/IDE interface standards; functions as a standard hard disk without additional drivers.
- Compact Module Design: Horizontal 44‑pin L‑form factor minimizes space usage in embedded or portable systems.
- Industrial Grade Operation: Rated for 0 °C – 70 °C operating temperature; non‑operating range –20 °C – +85 °C.
- NAND Flash Technology: Utilizes high‑density NAND flash memory for non‑volatile, rewritable storage.
- Plug‑and‑Play Installation: Directly connects to IDE sockets; no external controller or software required.
- Low Power Consumption: Typical read 21 mA, write 28 mA, sleep 0.3 mA at +5 V DC.
- High Reliability Algorithms: Built‑in ECC (Error Correction Code), defect block management, and wear‑leveling extend device life.
- Shock and Vibration Resistant: Solid‑state design eliminates moving parts, ensuring durability in harsh environments.
- Flexible Master/Slave Configuration: Configurable via jumper (JP1) on 44‑pin models.
- Broad OS Support: Compatible with Windows 95/98/NT/2000, WinCE, Embedded NT, QNX, Linux, and other IDE‑aware systems.
- Long Service Life: MTBF ≥ 300,000 rewrite cycles @ 25 °C.
- Standard IDE Interface: 44‑pin (2.00 mm pitch) connector with integrated +5 V power pins.

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### 3. Technical Specifications

| Parameter | Specification |
|----------------|-------------------|
| Capacity | 512 MB |
| Flash Type | NAND Flash Memory |
| Interface | 44‑pin IDE (2.00 mm pitch) |
| Form Factor | L‑Formed Horizontal DOM |
| Default Configuration | Master (default); Slave selectable via jumper JP1 |
| Dimensions | Approx. 33 mm × 51 mm (L × W) |
| Weight | < 20 g (typical) |
| Operating Temperature | 0 °C to +70 °C |
| Non‑Operating Temperature | –20 °C to +85 °C |
| Power Supply | +3.3 V ± 10 % or +5.0 V ± 10 % DC |
| Power Consumption | Read 21 mA (typ.), Write 28 mA (typ.), Sleep 0.3 mA (typ.) |
| MTBF | 300,000 rewrite cycles @ 25 °C |
| Shock Resistance | 150 G (2.2 ms half‑sine) |
| Vibration Resistance | 15 G p‑p max (operating and non‑operating) |
| Humidity | 5 % – 95 % (non‑condensing) |
| Sector Size | 512 bytes per sector |
| Data Retention | ≥ 10 years (no battery required) |
| Connector Type | 44‑pin female IDE header (L‑shaped horizontal mount) |

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### 4. Functionality

The DOM‑0512M‑44H‑432 operates as a solid‑state IDE drive. It connects directly to a 44‑pin IDE interface, drawing power through the integrated +5 V pins. The module emulates a standard hard disk at the hardware level, allowing BIOS auto‑detection and OS‑level recognition without special drivers.

Use Cases & Applications:
- Industrial control and automation systems
- Embedded computers and single‑board controllers
- Telecommunications equipment and routers
- Point‑of‑Sale (POS) and kiosk terminals
- Transportation and vehicle data loggers
- Military and avionics applications
- Set‑top boxes, voting machines, and ticket vending systems
- Portable and hand‑held computers

Compatibility:
Supports all operating systems that recognize IDE/ATA storage devices, including legacy BIOS systems. Functions in PIO Mode 2 (8.3 MB/s burst) and is backward compatible with earlier PIO modes.

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### 5. Components & Accessories

Included Items:
- DOM‑0512M‑44H‑432 module (44‑pin horizontal L‑form)
- Jumper JP1 for Master/Slave selection (default Master)
- Product documentation and installation guide

Optional Accessories:
- 44‑pin IDE extension cable (FDA‑44C)
- 40‑pin to 44‑pin adapter (FDA‑04C)
- Mounting brackets or custom housings for embedded integration

Connectors:
- 44‑pin IDE female header (2.00 mm pitch)
- Integrated power pins (+5 V on pins 41 & 42)
- Jumper block for Master/Slave configuration

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### 6. Installation & Setup

Requirements:
- Host system with 44‑pin IDE interface (2.00 mm pitch)
- BIOS support for IDE auto‑detection or manual CHS configuration
- Power supply providing +5 V DC (±10 %)

Mounting Options:
- Horizontal mount directly onto motherboard IDE connector
- Optional adapter for vertical or remote mounting

Configuration Procedure:
1. Power off the system and ground yourself to prevent ESD.
2. Align pin 1 on the DOM (triangle mark) with pin 1 on the IDE socket.
3. Insert the module firmly into the IDE connector.
4. Configure Master/Slave via JP1 (jumper on = Master, off = Slave).
5. Power on the system and enter BIOS setup.
6. Enable IDE auto‑detection or manually enter CHS values (497 cylinders, 63 sectors, 32 heads for 512 MB).
7. Partition and format the drive using standard DOS or OS utilities (FDISK, FORMAT).

Caution:
Always align pin 1 correctly and avoid excessive force during insertion or removal. Use both hands to extract the module if needed.

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### 7. Performance & Capabilities

| Metric | Typical Value | Description |
|-------------|-------------------|-----------------|
| Media Transfer Rate (Read) | 2.5 MB/s (typ.) | Sequential read throughput from flash array |
| Media Transfer Rate (Write) | 1.2 MB/s (typ.) | Sequential write throughput |
| Host Burst Transfer Rate | 8.3 MB/s (max, PIO Mode 2) | Peak transfer rate to host interface |
| Average Data Transfer Rate | 6 MB/s (typ.) | Sustained average throughput |
| Average Seek Time | < 0.1 ms | Flash access latency (no mechanical seek) |
| Random Read Time | 0.3 ms (typ.) | Random block access latency |
| Random Write Time | 9.67 ms (typ.) | Random write latency including erase cycles |
| Sequential Read Time | 0.3 ms (typ.) | Linear read access time |
| Sequential Write Time | 9.71 ms (typ.) | Linear write access time |

Performance Notes:
- Optimized for embedded applications requiring fast boot and moderate data throughput.
- PIO Mode 2 operation ensures compatibility with legacy IDE controllers.
- ECC and wear‑leveling maintain consistent performance over device lifetime.

Limitations:
- Not intended for high‑frequency write‑intensive applications (e.g., database logging).
- Capacity limited to 512 MB for 44‑pin L‑form models.

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### 8. Standards & Compliance

- Interface Standard: ATA/IDE (ANSI X3.221‑1994, ATA‑2 PIO Mode 2)
- Electrical Compliance: +3.3 V / +5 V DC tolerance ±10 %
- Environmental Compliance: Operating 0 °C – 70 °C; non‑operating –20 °C – 85 °C
- Reliability Standards: MTBF ≥ 300,000 rewrite cycles @ 25 °C
- Shock & Vibration: Meets industrial specifications (150 G shock, 15 G vibration)
- RoHS / WEEE: Compliant with lead‑free manufacturing standards (where applicable)
- Trademark Acknowledgment: DiskOnModule™ is a registered trademark of Power Quotation International Co., Ltd.

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### 9. Additional Information

Warranty:
Standard manufacturer warranty covers defects in materials and workmanship for the specified period (typically 1 year for industrial DOM products).

Technical Support:
PQI provides technical assistance for installation, BIOS configuration, and compatibility issues through authorized distributors and support channels.

Maintenance:
No mechanical parts or periodic maintenance required. Firmware is factory‑programmed and not user‑upgradable. Data integrity is maintained through ECC and wear‑leveling algorithms.

Firmware Features:
- Defect Block Management: Automatically replaces bad blocks with reserved spares.
- Wear Leveling: Distributes write cycles evenly across flash cells to extend life.
- ECC (Error Correction Code): Corrects single‑word (2 bytes) errors and detects double‑word errors.
- Power‑Loss Protection: Minimizes data loss to the last 512 bytes if power is interrupted during write.

Data Retention & Endurance:
- Data retention ≥ 10 years without external power.
- NAND flash rewrite endurance ≥ 1,000,000 cycles per block (typical for industrial grade).

Product Lifecycle Status:
Ongoing production as of latest revision (V20020114). Specifications subject to change without notice.

Ordering Information:
- Part Number: FD512‑432LXX (512 MB, 44‑pin L‑form DOM)
- Form Factor: L‑Formed Horizontal DOM
- Connector: 44‑pin female IDE (2.00 mm pitch)
- Housing: Optional protective enclosure available (FDxxx‑439LXX variant)

Related Models (44‑pin Series):
| Capacity | Plain Form | L‑Form No Housing | L‑Form With Housing |
|-----------|-------------|-------------------|---------------------|
| 4 MB – 384 MB | FDxxx‑426P / 426PA | FDxxx‑432LXX | FDxxx‑439LXX |
| 512 MB | – | FD512‑432LXX | FD512‑439LXX |

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### Summary

The DOM‑0512M‑44H‑432 is a 512 MB industrial‑grade Disk On Module designed for embedded and industrial computing environments requiring compact, reliable, and maintenance‑free solid‑state storage. Its 44‑pin horizontal IDE interface ensures seamless integration with standard ATA controllers, while its NAND flash architecture provides fast access times, low power draw, and high endurance. With built‑in ECC, wear‑leveling, and defect management, the module delivers long‑term data integrity and stable performance under demanding conditions.

This product is ideal for OEMs, system integrators, and industrial equipment manufacturers seeking a robust alternative to mechanical hard drives in space‑constrained or vibration‑prone applications.

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Manufacturer: Power Quotation International Co., Ltd.
Trademark: DiskOnModule™ (PQI IC Storage Specialist)
Document Reference: V20020114 / DOM‑2000 Series Technical Manual
Copyright: © 2002 Power Quotation International Co., Ltd. All rights reserved.
Note: Specifications are subject to change without notice.