Comprehensive Product Summary – DOM‑0016M‑44V‑426 (16 MB Disk On Module, 44‑Pin Vertical)

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### 1. Product Overview

Product Name: Disk On Module (DOM)
Model Number: DOM‑0016M‑44V‑426
Series: DOM‑2000 / DG Series Industrial IDE Flash Disk Storage Device
Article Number: DOM‑0016M‑44V‑426
Manufacturer: Power Quotation International Co., Ltd. (PQI) – IC Storage Specialist

Product Description:
The DOM‑0016M‑44V‑426 is a 16 MB solid‑state flash storage module designed as a direct IDE (ATA) hard‑disk replacement. It uses a 44‑pin (2.00 mm pitch) vertical IDE connector and NAND‑type flash memory. The module is fully IDE‑compatible, plug‑and‑play, and optimized 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 the ATA/IDE standard; functions as a standard hard drive without additional drivers.
- Compact Module Design: Vertical 44‑pin form factor minimizes footprint for embedded boards and space‑limited enclosures.
- Industrial Grade Reliability: Operating temperature range 0 °C to +70 °C; non‑operating –20 °C to +85 °C.
- NAND Flash Technology: Non‑volatile, electronically erasable, and re‑writable memory with high endurance and data retention ≥ 10 years.
- Low Power Consumption: Typical read 21 mA, write 28 mA, sleep 0.3 mA at +5 V DC.
- High Performance:
- Sequential read ≈ 2.5 MB/s (typ.)
- Sequential write ≈ 1.2 MB/s (typ.)
- Host burst transfer rate PIO Mode 2 (8.3 MB/s max)
- Average seek time < 0.1 ms
- Plug‑and‑Play Operation: No software installation required; recognized automatically by BIOS as an IDE drive.
- Master/Slave Configurable: Jumper JP1 selects Master (default) or Slave mode.
- Shock and Vibration Resistant: Solid‑state design with no moving parts ensures durability in harsh environments.
- ECC (Error Correction Code): Hardware/firmware‑based ECC corrects single‑bit errors and detects double‑bit errors per sector.
- Defect Block Management & Wear Leveling: Firmware algorithms extend flash lifetime by distributing writes evenly and remapping defective blocks.
- Broad OS Support: Compatible with Windows 95/98/NT/2000/CE, Embedded NT, QNX, Linux, and other IDE‑aware systems.

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### 3. Technical Specifications

| Parameter | Specification |
|----------------|------------------|
| Capacity | 16 MB |
| Flash Type | NAND Flash Memory |
| Interface | 44‑pin IDE (2.00 mm pitch) |
| Form Factor | Vertical DOM (Plain Form) |
| Model Variant | FD016‑426P / FD016‑426PA (with housing) |
| Default Setting | Master (JP1 On); Slave optional (JP1 Off) |
| Dimensions | Approx. 33 mm (W) × 51 mm (L) × 6–8 mm (H) |
| Weight | < 10 g (typ.) |
| Operating Temperature | 0 °C to +70 °C |
| Storage Temperature | –20 °C to +85 °C |
| MTBF | 300 000 rewrite cycles @ 25 °C |
| Power Supply | +3.3 V ± 10 % or +5.0 V ± 10 % |
| Power Consumption | Read 21 mA (typ.), Write 28 mA (typ.), Sleep 0.3 mA (typ.) |
| Media Transfer Rate (Read) | 2.5 MB/s (typ.) |
| Media Transfer Rate (Write) | 1.2 MB/s (typ.) |
| Host Burst Rate | 8.3 MB/s (PIOMode 2) |
| Average Data Rate | 6 MB/s (typ.) |
| Average Seek Time | < 0.1 ms |
| Random Read Time | 0.3 ms (typ.) |
| Random Write Time | 9.67 ms (typ.) |
| Sequential Read Time | 0.3 ms (typ.) |
| Sequential Write Time | 9.71 ms (typ.) |
| Humidity | 5 % – 95 % (non‑condensing) |
| Shock Resistance | 150 G (2.2 ms half‑sine) |
| Vibration Resistance | 15 G p‑p max (operating and non‑operating) |

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### 4. Functionality

Operating Principle:
The DOM‑0016M‑44V‑426 operates as a solid‑state IDE drive. It connects directly to a 44‑pin IDE header, providing both data and power through the same connector. Internally, a flash controller manages NAND flash arrays, performing address translation, wear leveling, and ECC correction. The host system communicates using standard ATA commands, identical to those used for mechanical HDDs.

Use Cases & Applications:
- Embedded industrial controllers and PLC systems
- Data acquisition and measurement equipment
- Telecommunications and network routers
- Kiosks, POS terminals, and ticket vending machines
- Military and avionics systems
- Transportation and vehicle computers
- Set‑top boxes and digital signage
- Portable and hand‑held computers
- Security and surveillance systems

Compatibility:
Fully compatible with any IDE/ATA interface supporting PIO Mode 0–2. Recognized by BIOS as a standard IDE drive. Supports all major OS without drivers.

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### 5. Components & Accessories

Included Items:
- DOM‑0016M‑44V‑426 module (plain form or with housing)
- Jumper JP1 for Master/Slave selection (default Master)
- Optional mounting hardware or retention clip (depending on OEM package)

Optional Accessories:
- 44‑pin to 40‑pin IDE adapter cable (FDA‑04C / FDA‑44C)
- Power adapter for external +5 V supply (if required for 40‑pin variants)
- L‑form DOM versions (FDxxx‑432LXX / FDxxx‑439LXX) for horizontal mounting
- 2.5‑inch IDE Flash Disk (FFD‑25 series) for larger capacities

Connectors:
- 44‑pin IDE male connector (2.00 mm pitch) with integrated power pins (41–44)
- Pin 1 marked by triangle indicator for orientation

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### 6. Installation & Setup

Requirements:
- Host system with 44‑pin IDE interface (2.00 mm pitch)
- BIOS support for IDE devices ≥ 16 MB
- +5 V DC power supply from IDE connector

Mounting Options:
- Vertical Mount (44V): Direct plug‑in to motherboard IDE header.
- Horizontal Mount (44H): Alternative form factor available for low‑profile systems.

Configuration Procedure:
1. Power Off System and ground yourself to avoid ESD.
2. Insert DOM into the IDE socket, aligning pin 1 with the host connector.
3. Set Master/Slave: JP1 On = Master (default); JP1 Off = Slave.
4. Secure Module mechanically if necessary.
5. Power On System and enter BIOS setup.
6. Auto‑Detect Drive or manually enter CHS values (16 MB = Cyl 1000, Head 2, Sector 16).
7. Partition and Format using standard DOS/OS utilities (FDISK, FORMAT).

Caution: Always align pin 1 correctly and avoid excessive force when inserting or removing the module.

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### 7. Performance & Capabilities

| Metric | Typical Value | Notes |
|-------------|------------------|-----------|
| Sequential Read Speed | 2.5 MB/s | NAND flash controller optimized for PIO Mode 2 |
| Sequential Write Speed | 1.2 MB/s | Sustained write throughput under typical load |
| Host Burst Rate | 8.3 MB/s | PIO Mode 2 maximum transfer rate |
| Average Data Rate | 6 MB/s | Combined read/write average |
| Random Read Access | 0.3 ms | Typical latency for small block reads |
| Random Write Access | 9.67 ms | Typical latency for small block writes |
| Average Seek Time | < 0.1 ms | No mechanical seek delay |
| Power Efficiency | < 0.15 W active (typ.) | Ideal for battery‑powered systems |
| Endurance | ≥ 300 000 rewrite cycles | Enhanced by wear leveling and ECC |
| Data Retention | ≥ 10 years | Non‑volatile storage without battery |
| Limitations | Capacity limited to 384 MB for 44‑pin series; PIO Mode 2 only | For higher performance, use FFD‑25 series |

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### 8. Standards & Compliance

- Interface Standard: ATA/IDE (ANSI X3.221‑1994 ATA‑2 compliant)
- Electrical Interface: 5 V TTL logic levels per ATA specification
- Environmental Compliance: Industrial temperature grade (0 °C – 70 °C)
- Shock & Vibration: Meets industrial specifications (150 G shock, 15 G vibration)
- EMC Compliance: Designed to meet FCC Part 15 Class B and CE requirements when properly installed
- RoHS Status: Compliant with lead‑free manufacturing standards (as of later DG series revisions)
- Quality Assurance: Manufactured under ISO 9001 certified processes
- Trademark Notice: DiskOnModule ™ is a registered trademark of Power Quotation International Co., Ltd.

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### 9. Additional Information

Warranty:
Standard 1‑year limited manufacturer warranty against defects in materials and workmanship. Extended industrial support contracts available for OEM customers.

Technical Support:
PQI provides technical documentation, firmware updates, and engineering support for integration into embedded systems. Contact local PQI representatives for custom form factor or capacity options.

Maintenance:
No moving parts or user‑serviceable components. Periodic data backup recommended for critical applications. Firmware is factory‑programmed and not field‑upgradable without manufacturer assistance.

Product Lifecycle Status:
The FDxxx‑426P series (44‑pin plain form) was an ongoing product as of March 2002 and remains supported for industrial legacy applications. Later DG series models extend capacity to 1.5 GB and add enhanced ECC (22‑bit per 256 bytes).

Ordering Information:
| Capacity | Part Number | Form Factor | Housing | Status |
|---------------|----------------|----------------|--------------|-------------|
| 4 MB | FD004‑426P | 44‑pin Vertical | No | Phase out |
| 16 MB | FD016‑426P / FD016‑426PA | 44‑pin Vertical | Optional | Ongoing |
| 32 MB | FD032‑426P / FD032‑426PA | 44‑pin Vertical | Optional | Ongoing |
| 64 MB – 384 MB | FD064‑426P – FD384‑426PA | 44‑pin Vertical | Optional | Ongoing |

Model Naming Convention:
`FDxxx‑4YYZ`
- FD: Flash Disk (DOM or 2.5″ FFD)
- xxx: Capacity (004 = 4 MB, 016 = 16 MB, etc.)
- 4: 44‑pin interface (0 = 40‑pin)
- YY: PCB width in mm (e.g., 26 = 26 mm, 32 = 32 mm, 39 = 39 mm)
- Z: Form and options (P = Plain, A = Housing, L = L‑form, F/M = Connector type)

Support & Documentation:
Comprehensive technical manuals (DOM‑2000 / FFD‑2000 Series User’s Manual Rev. 1.20 and DG Series Datasheet Rev. A.0) provide detailed installation guides, pin assignments, and interface register definitions.

Maintenance and Reliability Notes:
- Flash controller automatically locks the device when all reserved blocks are used, preserving read‑only data integrity.
- ECC and wear leveling ensure consistent performance throughout the device lifetime.
- Recommended operating voltage stability within ± 10 % to avoid data corruption.

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### Summary

The DOM‑0016M‑44V‑426 is a compact, industrial‑grade 16 MB Disk On Module engineered for embedded and industrial applications requiring a reliable, low‑power, solid‑state IDE storage solution. Its 44‑pin vertical form factor integrates data and power in a single connector, simplifying installation and reducing system complexity. With NAND flash technology, ECC error correction, wear leveling, and defect block management, the module delivers long‑term data integrity and durability in harsh environments. Performance up to 2.5 MB/s read and 1.2 MB/s write is adequate for legacy and embedded systems where stability and compatibility are paramount. The DOM‑0016M‑44V‑426 remains a trusted solution for industrial OEMs and system integrators seeking a drop‑in IDE flash replacement for traditional hard drives.