Introduction
This manual provides comprehensive instructions for the Chenyang SD SDHC SDXC to CF Compact Flash Memory Card Adapter Reader Type I. This adapter allows you to use standard SD, SDHC, and SDXC memory cards in devices that require a Type I Compact Flash card, such as older digital cameras or industrial equipment. Please read this manual carefully before use to ensure proper operation and longevity of the product.
Features
- Supports standard SD, SDHC, and SDXC memory cards.
- Compatible with capacities including 16GB, 32GB, 64GB, and 128GB.
- Designed for insertion into a CF Type I slot.
- Enables the use of readily available SD cards in devices requiring Compact Flash.
- No memory card is included with this adapter.
Setup and Installation
Follow these steps to properly set up and install your Chenyang CF to SD card adapter:
- Insert the SD Card into the Adapter: Carefully slide your SD, SDHC, or SDXC memory card into the designated slot on the side of the CF adapter. Ensure the card is inserted fully and correctly oriented.

This image illustrates the initial step of inserting an SD card into the designated slot on the CF adapter.

The SD card is shown fully seated within the adapter, ready for use.
- Insert the Adapter into Your Device: Once the SD card is securely in the adapter, insert the entire adapter into the Compact Flash Type I slot of your camera or other compatible device. Ensure it is inserted gently and completely.

This image shows the front of the Chenyang CF to SD card adapter, featuring the 'Extreme CF Adapter' branding and a graphic indicating SD card insertion.
Operating Instructions
After installation, operate the adapter as you would a standard Compact Flash card:
- Device Recognition: Your device (e.g., digital camera) should recognize the adapter with the inserted SD card as a Compact Flash card.
- Formatting: It is highly recommended to format the SD card using your device's internal formatting function after inserting it into the adapter for the first time. This ensures optimal compatibility and performance. Refer to your device's manual for specific formatting instructions.
- Data Transfer: Use your device's normal functions to save and access data on the card. For transferring data to a computer, you can either use your device's connection or remove the SD card from the adapter and use a dedicated SD card reader.
Compatibility
This adapter is designed to be compatible with a wide range of devices that utilize Compact Flash Type I slots. It supports SD, SDHC, and SDXC cards up to 128GB. While designed for broad compatibility, specific device models may vary in their support for adapter solutions. If your device model is not explicitly listed as compatible, please consult your device's manufacturer or the adapter's support resources to confirm compatibility.
Specifications
| Attribute | Value |
|---|---|
| Product Dimensions | 3.94 x 3.94 x 0.39 inches |
| Item Weight | 1.76 ounces (0.05 Kilograms) |
| Item Model Number | CY-EP-025 |
| Compatible Devices | Camera (and other devices with CF Type I slot) |
| Supported Card Types | SD, SDHC, SDXC, MMC |
| Maximum Supported Capacity | 128GB |
| Manufacturer | CY (HongKong ChenYang Electronic CO. LTD.) |

An angled view of the adapter, highlighting its compact form factor and indicating a thickness of 3.30mm.
Troubleshooting
If you encounter issues with your CF to SD adapter, consider the following common solutions:
- Card Not Recognized / Error Message: If your device displays an error or does not recognize the card, try formatting the SD card directly within the device (e.g., camera). This often resolves compatibility issues. Ensure the SD card is fully inserted into the adapter.
- Slow Write/Read Speeds: Performance can vary depending on the SD card's speed rating and the host device's capabilities. While the adapter facilitates usage, it may not always achieve the maximum theoretical speeds of high-end SD cards, especially with older CF-based devices.
- Device Specific Issues: Some devices, particularly older or specialized equipment, may have specific firmware or hardware limitations that prevent full compatibility with all adapter solutions. Verify your device's manual for any known limitations regarding third-party memory solutions.
Maintenance
To ensure the longevity and reliable performance of your adapter:
- Keep Clean: Avoid dust and debris from entering the card slots. Use a soft, dry cloth to gently clean the exterior if necessary.
- Handle with Care: Insert and remove both the SD card and the adapter gently to prevent damage to the connectors.
- Storage: Store the adapter in a cool, dry place away from extreme temperatures and direct sunlight when not in use.
Support and Contact Information
For further assistance or inquiries regarding your Chenyang product, please use the following contact information:
- Manufacturer: HongKong ChenYang Electronic CO. LTD.
- Website: www.cablecc.com
- Email: SALES@CABLECC.COM

Product packaging displaying Chenyang branding, QR code, and contact details including website and email.





