OFFTEK 1GB Module - DDR2-5300 (PC2-667)
OFFTEK 1GB DDR2-5300 (PC2-667) RAM Memory Module User Manual
Model: 1GB Module - DDR2-5300 (PC2-667)
Brand: OFFTEK
1. Introduction
This manual provides essential information for the installation and use of your OFFTEK 1GB DDR2-5300 (PC2-667) RAM Memory Module. This module is designed to enhance the performance of compatible systems, specifically Acer MRS600M motherboards, by increasing the available system memory. Proper installation ensures optimal functionality and system stability.
2. Safety Information
Please read and follow these safety guidelines before handling or installing the memory module:
- Power Off: Always power off your computer and disconnect it from the power outlet before opening the computer case or handling internal components.
- Static Electricity: Electronic components are sensitive to static electricity. Discharge any static electricity from your body by touching a grounded metal object (e.g., the unpainted metal chassis of your computer) before handling the memory module. Consider using an anti-static wrist strap.
- Handle with Care: Hold the memory module by its edges. Avoid touching the gold connectors or the integrated circuit chips directly.
- Ventilation: Ensure your computer has adequate ventilation to prevent overheating, which can affect component longevity.
3. Setup and Installation
Follow these steps to install your OFFTEK RAM memory module:
- Prepare Your System:
- Shut down your computer completely.
- Disconnect the power cable and all other cables (monitor, keyboard, mouse, USB devices, etc.) from the computer.
- Open the computer case. Refer to your computer's or motherboard's manual for specific instructions on how to open the case.
- Locate RAM Slots: Identify the DIMM slots on your motherboard. These are typically long slots near the CPU.
- Prepare the Slots: If you are replacing existing RAM, gently push the small clips on both ends of the DIMM slot outwards to release the old module. If installing into an empty slot, ensure the clips are open.
- Align the Module: Hold the OFFTEK memory module by its edges. Align the notch (keyway) on the module with the corresponding ridge in the DIMM slot. This ensures correct orientation. Do not force the module if it does not align.
- Insert the Module: With the module correctly aligned, place it into the slot. Apply firm, even pressure to both ends of the module simultaneously until it clicks into place and the clips on both sides automatically lock the module.

Image 1: Proper insertion of a RAM module into a desktop computer slot. Ensure the module is aligned correctly before applying pressure.

Image 2: Close-up view of a RAM module being installed into a motherboard slot. Apply even pressure until the clips engage.
- Secure the Case: Once the memory module is securely installed, close the computer case.
- Reconnect Cables: Reconnect all cables that were disconnected in step 1.
- Power On: Turn on your computer. The system should automatically detect the new memory. You can verify the installed memory in your operating system's system information or BIOS settings.
4. Operating
The OFFTEK RAM memory module operates automatically once correctly installed and recognized by your system. It functions as an integral part of your computer's memory architecture, providing faster data access and improved multitasking capabilities. No specific user interaction is required for its operation beyond initial installation.
5. Maintenance
OFFTEK RAM modules are designed for reliability and require minimal maintenance. To ensure longevity:
- Keep Clean: Ensure your computer's interior remains free of excessive dust, which can impede airflow and lead to heat buildup.
- Avoid Physical Damage: Handle the module carefully if it needs to be removed or reinstalled.
- Stable Environment: Operate your computer in a stable environment, avoiding extreme temperatures or humidity.
6. Troubleshooting
If you encounter issues after installing your OFFTEK RAM module, consider the following troubleshooting steps:
- System Does Not Boot or Beeps: This often indicates a memory issue.
- Ensure the module is fully seated in its slot. Re-seat the module by removing it and reinstalling it firmly.
- Try installing the module in a different memory slot, if available.
- If you have multiple modules, try installing them one at a time to identify a potentially faulty module.
- System Boots but Memory Not Recognized:
- Check your system's BIOS/UEFI settings to confirm the memory is detected.
- Verify that your motherboard supports the specific type and speed of RAM (DDR2-5300 PC2-667 Non-ECC DIMM).
- Ensure your operating system is 64-bit if you are installing more than 4GB of total RAM (though this module is 1GB, it's a general consideration for memory upgrades).
- System Instability or Crashes:
- Run a memory diagnostic tool (e.g., Windows Memory Diagnostic or MemTest86) to check for errors.
- Ensure your system's BIOS is up to date, as updates can improve memory compatibility.
If issues persist, contact OFFTEK support for further assistance.
7. Specifications
Detailed specifications for the OFFTEK 1GB DDR2-5300 (PC2-667) RAM Memory Module:

Image 3: The OFFTEK 1GB DDR2-5300 (PC2-667) RAM Memory Module.
| Brand | OFFTEK |
| Manufacturer | Offtek |
| Part Number | 635886-AC-1024 (Equivalent to OEM) |
| Capacity | 1 GB |
| Memory Type | DDR2 SDRAM |
| Memory Technology | DDR2 |
| Memory Speed | 667 MHz (DDR2-5300 / PC2-667) |
| Form Factor | DIMM 240-pin |
| Voltage | 1.8 Volts |
| Error Correction | Non-ECC |
| Product Dimensions | 13.34 x 1.09 x 2.99 cm |
| Weight | 9.07 g |
8. Warranty and Support
OFFTEK stands behind the quality of its products.
Limited Lifetime Warranty
Your OFFTEK memory module is covered by a Limited Lifetime Warranty. This warranty guarantees that if your memory module should ever fail, OFFTEK will replace or repair the product free of charge, provided that it is still manufactured. This warranty reflects our confidence in the premier quality components and rigorous testing processes used in manufacturing.
Customer Support
For technical assistance, warranty claims, or any questions regarding your OFFTEK product, please visit the official OFFTEK website or contact their customer support channels. Detailed contact information can typically be found on the OFFTEK website.
Ask a question about this manual
Ask about setup, troubleshooting, compatibility, parts, safety, or missing instructions. Manuals+ will review the question and use this page’s manual context to help answer it.