Update index.md

Added information on using a SATA power adapter to power a 12V 5.25-inch floppy disk drive.

Author: LeontienT

index.md

@@ -229,6 +229,8 @@ When working with 3-inch drives, flipped 4-pin power connectors are common, and
 
 In situations where the appropriate power supply isn't immediately available, external bench PSUs designed for electronics work can be a practical alternative. These often allow precise voltage tuning and multiple outputs, making them ideal for setups that require both 5V and 12V rails. However, such flexibility requires careful attention and should only be used if you're confident in your understanding of voltage tolerances and pinouts. Some floppy controllers, such as the Greaseweazle and Applesauce may have options to power floppy disk drives directly. It is recommended to check the documentation to see what is possible, in all other cases a PSU is recommended.
 
+Another alternative for powering 12V 5.25-inch floppy drives, standalone SATA power adapters, such as those sold under brands like [<u>Fideco</u>(https://fideco-it.com/products/fideco-usb-3-0-to-2-5-3-5-inch-sata-ide-hdd-ssd-adapter-pl319), can also be used. These units are typically designed to provide power for external SATA devices and often expose standard SATA power connectors without requiring a full PC power supply. As with bench power supplies, care must be taken to verify correct voltage levels and pin mappings before connection. While not purpose-built for floppy hardware, they can be a compact and practical option when a traditional PSU is unavailable.
+
 One notable exception to standard floppy cable conventions is found in Apple-formatted drives, particularly those designed for the Apple II series (5.25 inch) and the UniDisk and SuperDrive 3.5. These drives do not use the industry-standard 34-pin, 26-pin or 50-pin interfaces. Instead, Apple developed proprietary connectors that combine both power and data into a single cable; typically a DB-19 or mini-DIN connector, depending on the model. For example, the Apple UniDisk 3.5 uses a smart port interface, which is not directly compatible with standard floppy controllers and this is where the Applesauce is needed.
 
 Using incorrect cables or mismatched connectors can result in non-functional setups or, worse, permanent damage to drives and controllers. If you’re making your [<u>own cables</u>](https://www.youtube.com/watch?app=desktop&v=DeaqU0Dm6gI); either by crimping headers to ribbon cables or reusing connectors from other machines; ensure you have verified pinout diagrams for both the drive and the controller. This is [<u>an example</u>](https://www.cpcwiki.eu/index.php/DIY:Floppy_Drives) of one for the 3-inch floppy drive. Mistakes such as reversed polarity or misaligned data lines can irreparably harm the controller or the drive’s onboard circuitry. While DIY wiring is often necessary in retrocomputing, especially with obscure hardware, it comes with these inherent risks.