Piano Companion is a music theory reference app for songwriters, producers, teachers, and students. Look up any of 1,500+ chords or 10,000+ scales instantly, build progressions, and explore harmony on iOS, Android, and Mac.
Whether you're stuck on a progression, blanking on a scale name, or just exploring — Piano Companion gives you the answer in seconds. Press the keys you know, and it tells you what you're playing.
Search by name or tap the keys you know. Piano Companion identifies what you're playing — even from a MIDI keyboard.
The Chord Progression Builder suggests chords that fit your key. Experiment with patterns, listen back, and find what sounds right.
See notes on the grand staff, fingering for both hands, intervals, degrees, and compatible scales — all in context, not abstract textbook diagrams.
USB flash drives consist of two primary internal hardware components: the controller chip (the "brain") and the NAND flash memory (where data is stored). Alcor Micro is a major manufacturer of these controller chips, which are used by brands like Transcend, Kingston, SanDisk, and generic white-label vendors. The "Unknown FA00" error status triggers when:
Click the button on the main screen to begin the low-level formatting and microcode burn process.
, you typically need to re-flash the controller using a specialized mass production (MP) tool. This error usually indicates that the drive's firmware has become corrupted or the controller is unable to read the NAND flash memory. 🛠️ How to Fix Alcor Micro "Unknown FA00" 1. Identify Your Specific Chip
: A sudden power loss during a data write can "brick" the controller's logic, making it forget what kind of memory it is managing. Hardware Failure
Using these tools will likely erase all data on the drive. Use only if data recovery is not necessary or already handled. Data Recovery Note
If successful, the tool turns the "Unknown [FA00]" back into a recognized "AU6989" (or similar) device.
Reformat or reinitialize
Alcor Chips [Ремонт флешек на базе Alcor контроллеров]
Before attempting a rescue operation, keep the following rules in mind:
USB flash drives consist of two primary internal hardware components: the controller chip (the "brain") and the NAND flash memory (where data is stored). Alcor Micro is a major manufacturer of these controller chips, which are used by brands like Transcend, Kingston, SanDisk, and generic white-label vendors. The "Unknown FA00" error status triggers when:
Click the button on the main screen to begin the low-level formatting and microcode burn process.
, you typically need to re-flash the controller using a specialized mass production (MP) tool. This error usually indicates that the drive's firmware has become corrupted or the controller is unable to read the NAND flash memory. 🛠️ How to Fix Alcor Micro "Unknown FA00" 1. Identify Your Specific Chip alcor micro unknown fa00 - f w 3613
: A sudden power loss during a data write can "brick" the controller's logic, making it forget what kind of memory it is managing. Hardware Failure
Using these tools will likely erase all data on the drive. Use only if data recovery is not necessary or already handled. Data Recovery Note USB flash drives consist of two primary internal
If successful, the tool turns the "Unknown [FA00]" back into a recognized "AU6989" (or similar) device.
Reformat or reinitialize
Alcor Chips [Ремонт флешек на базе Alcor контроллеров]
Before attempting a rescue operation, keep the following rules in mind: , you typically need to re-flash the controller
Available on every major platform. Start exploring chords and scales today.
