Update v3.md (#714)

* Update v3.md

Added verbiage for clarity

* Update v3.md

Fixed verbiage
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arch1mede 2022-04-20 06:41:15 -07:00 committed by GitHub
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@ -172,7 +172,7 @@ To manage the power of your computer, you will need to install an ATX adapter bo
These pins can't be used for any other purposes even if ATX function is disabled.
* **I2C bus** - `GPIO 2, 3` - Can be used as I2C ONLY.
* **I2C bus** - `GPIO 2, 3` - Can be used as I2C ONLY (OLED/RTC).
* **1-Wire [19]** - `GPIO 4` - Also available under ATX RJ-45 port (point [19] on the above) as bi-directional buffered open-drain 5V for regular 1-Wire usage.