Articles about firmware

Hello, I need a few articles about firmware related things. The topics are: 1. **What is the firmware?** (keywords firmware, what is computer firmware, what is a firmware update, what is region free firmware) 2. **Where to download firmware** (keyword: download firmware) 3. **Pros and cons of firmware upgrades** (keywords firmware upgrade, firmware upgrades, firmware upgrades for dvds, firmware upgrade for digital cameras, psp firmware upgrade, mp3 firmware upgrade, mp4 firmware upgrade) 4. **DVD firmware** (keywords: dvd firmware, dvd firmware updates, erase dvd firmware) 5. **PSP firmware** (keywords: psp firmware, psp custom firmware, psp firmware downgrade, installing custom firmware psp) Length of each article: 600+ words All keywords has to be used. Articles has to be unique and useful for readers (not based on SEO sentences only).