Comprehensive Product Summary – DOM‑0064M‑44V‑426 (64 MB Disk On Module, 44‑Pin Vertical)

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### 1. Product Overview

Product Name: Disk On Module (DOM)
Model Number: DOM‑0064M‑44V‑426
Series: DOM‑2000 / DG Series Industrial IDE Flash Disk Storage Device
Article Number: DOM‑0064M‑44V‑426
Manufacturer: Power Quotation International Co., Ltd. (PQI) – IC Storage Specialist

Product Description:
The DOM‑0064M‑44V‑426 is a 64 MB solid‑state flash storage module designed as a direct IDE hard‑disk replacement. It uses a 44‑pin vertical IDE connector and NAND‑type flash memory, providing non‑volatile, shock‑resistant, and low‑power storage for embedded, industrial, and portable systems. The module is fully IDE‑compatible and operates within the industrial temperature range of 0 °C to +70 °C.

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### 2. Key Features

- True IDE Compatibility: Fully compliant with the ATA/IDE interface standard; functions as a standard hard disk without additional drivers.
- Compact Vertical Form Factor: 44‑pin (2.00 mm pitch) vertical connector for direct motherboard integration in space‑constrained systems.
- Industrial Grade Design: Rated for 0 °C to +70 °C operation; resistant to vibration and shock.
- NAND Flash Technology: High‑density, non‑volatile NAND flash memory with integrated ECC and wear‑leveling algorithms.
- Plug‑and‑Play Operation: No software installation required; recognized automatically by BIOS as an IDE drive.
- Low Power Consumption: Typical read 21 mA, write 28 mA, sleep 0.3 mA at +5 V DC.
- High Reliability: MTBF 300,000 rewrite cycles @ 25 °C; built‑in defect‑block management extends service life.
- Flexible Configuration: Default Master mode; Slave mode selectable via jumper (JP1).
- Silent and Maintenance‑Free: No moving parts, zero acoustic noise, and minimal heat generation.
- Broad OS Support: Compatible with Windows 95/98/NT/2000/CE, Embedded NT, QNX, and Linux.

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### 3. Technical Specifications

| Parameter | Specification |
|----------------|-------------------|
| Capacity | 64 MB |
| Flash Type | NAND Flash Memory |
| Interface | 44‑pin IDE (2.00 mm pitch) |
| Form Factor | Vertical mount module |
| Dimensions | Approx. 33 mm × 51 mm PCB outline |
| Weight | < 20 g (typical) |
| 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.) |
| Operating Temperature | 0 °C to +70 °C |
| Storage Temperature | –20 °C to +85 °C |
| Relative 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) |
| MTBF | 300,000 rewrite cycles @ 25 °C |
| Sector Size | 512 bytes |
| ECC Capability | 1‑word (2 bytes) error correction, 2‑word error detection |
| Data Retention | ≥ 10 years without power |
| Connector Type | 44‑pin male IDE header (vertical) |
| Default Configuration | Master mode (JP1 On); Slave mode (JP1 Off) |

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### 4. Functionality

Operating Principle:
The DOM‑0064M‑44V‑426 emulates a conventional IDE hard disk using solid‑state NAND flash memory. The integrated flash controller manages data storage, wear‑leveling, and error correction transparently to the host system. It communicates through the standard ATA command set, enabling seamless integration with any IDE‑compatible host.

Use Cases and Applications:
- Industrial control systems and data acquisition equipment
- Embedded computers and single‑board controllers
- Telecommunications and network appliances (routers, gateways, kiosks)
- Point‑of‑sale (POS) and ticketing machines
- Transportation and vehicle systems
- Military and aerospace embedded applications
- Portable and hand‑held computers
- Set‑top boxes and digital signage controllers

Compatibility:
Operates with any system supporting the IDE/ATA interface. Recognized automatically by BIOS as a standard hard disk. Compatible with all major operating systems supporting IDE storage.

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### 5. Components & Accessories

Included Items:
- DOM‑0064M‑44V‑426 module (plain‑form, vertical mount)
- Integrated 44‑pin male connector with power pins (41–44 provide +5 V and ground)
- Jumper block (JP1) for Master/Slave selection

Optional Accessories:
- 44‑pin IDE extension cable (FDA‑44C)
- 40‑to‑44‑pin adapter (FDA‑04C)
- Mounting brackets or retention clips for vertical installation
- Protective housing variant (FDxxx‑426PA) for enhanced mechanical protection

Connectors:
- 44‑pin IDE male header (2.00 mm pitch)
- Power pins integrated within the IDE connector (no external power cable required)

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### 6. Installation & Setup

Requirements:
- Host system with 44‑pin IDE interface socket
- BIOS support for IDE auto‑detection or manual CHS configuration

Mounting Options:
- Direct vertical plug‑in to motherboard IDE socket
- Optional adapter for horizontal mounting if required

Configuration Procedure:
1. Power Off the System: Ensure the host is powered down and grounded.
2. Insert the Module: Align pin 1 (marked by triangle on connector) with pin 1 on the host IDE socket.
3. Set Master/Slave Mode: Use JP1 jumper – On = Master (default), Off = Slave.
4. Power On and BIOS Detection: Enable IDE auto‑detection or enter manual CHS values (500 cylinders, 8 heads, 32 sectors for 64 MB).
5. Partition and Format: Use standard DOS FDISK and FORMAT utilities to initialize the drive.

Cautions:
- Avoid static discharge (use grounded wrist strap).
- Do not force the module into the connector.
- Use both hands to remove the module to prevent pin damage.

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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) | Maximum burst rate to host interface |
| Average Data Transfer Rate | 6 MB/s (typ.) | Sustained average transfer rate |
| 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 cycle |
| Sequential Read Time | 0.3 ms (typ.) | Sequential read latency |
| Sequential Write Time | 9.71 ms (typ.) | Sequential write latency |

Performance Characteristics:
The DOM‑0064M‑44V‑426 delivers consistent read/write performance suitable for embedded OS booting, data logging, and industrial control applications. The absence of mechanical latency ensures instant access (< 0.1 ms seek time). PIO Mode 2 operation provides up to 8.3 MB/s burst transfer rate to the host bus.

Limitations:
- Not optimized for high‑frequency write operations such as database logging without wear‑leveling considerations.
- Capacity limited to 384 MB for 44‑pin series (64 MB model is mid‑range capacity).

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### 8. Standards & Compliance

- Interface Standard: ATA/IDE (ANSI X3.221‑1994, ATA‑2 PIO Mode 2 compliant)
- Electrical Compliance: +3.3 V / +5 V DC logic levels per ATA specification
- Environmental Compliance: Industrial temperature range (0 °C to +70 °C)
- Shock and Vibration: Meets industrial grade requirements (150 G shock, 15 G vibration)
- Reliability Standards: MTBF ≥ 300,000 rewrite cycles @ 25 °C
- Regulatory Compliance: CE and FCC Class B (typical for PQI industrial modules)
- Trademark Notice: 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 documentation, installation guides, and firmware support through authorized distributors and service centers.

Maintenance:
No mechanical maintenance required. Periodic data backup is recommended for applications with frequent write cycles.

Firmware and Updates:
The internal controller firmware includes wear‑leveling and ECC algorithms. Firmware updates are not user‑serviceable and are performed only by the manufacturer if necessary.

Product Lifecycle Status:
The FDxxx‑426P series (plain‑form 44‑pin DOM) was an ongoing product as of March 2002 and remains supported for industrial applications requiring legacy IDE interfaces.

Ordering Information:
| Capacity | Part Number | Form Factor | Housing | Status |
|---------------|----------------|-----------------|--------------|-------------|
| 64 MB | FD064‑426P | 44‑pin vertical plain form | No housing | Ongoing product |
| 64 MB | FD064‑426PA | 44‑pin vertical with housing | Yes | Ongoing product |

Related Models:
- FDxxx‑432LXX (L‑form 44‑pin DOM)
- FDxxx‑439LXX (L‑form with housing)
- FDxxx‑25 (2.5‑inch IDE Flash Disk form factor)

Manufacturer Contact:
Power Quotation International Co., Ltd.
IC Storage Specialist Division
Taipei, Taiwan
© 2002 Power Quotation International Co., Ltd. All rights reserved.
Specifications subject to change without notice.

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### Summary

The DOM‑0064M‑44V‑426 is a robust, industrial‑grade 64 MB Disk On Module engineered for embedded and legacy IDE systems requiring reliable, low‑power, and maintenance‑free solid‑state storage. Its 44‑pin vertical connector simplifies integration into compact designs, while NAND flash technology ensures long‑term data retention and resistance to mechanical stress. With full IDE compatibility, plug‑and‑play operation, and proven reliability, this module serves as an ideal solid‑state replacement for small‑capacity hard drives in industrial control, automation, and embedded computing environments.