# Detailed Reference - [Installation](https://docs.macchina.cc/product-documentation/m2-docs/detailed-reference/installation.md): Under-the-dash (UTD) vs. under-the-hood (UTH) and their respective pinouts - [Processor](https://docs.macchina.cc/product-documentation/m2-docs/detailed-reference/processor.md): Details on the processor board and its components - [Pin Mapping](https://docs.macchina.cc/product-documentation/m2-docs/detailed-reference/pin-mapping.md): Use these pin names when programming in the Arduino IDE. - [Automotive Interfaces](https://docs.macchina.cc/product-documentation/m2-docs/detailed-reference/interfaces.md) - [Communication](https://docs.macchina.cc/product-documentation/m2-docs/detailed-reference/communication.md): M2 features an XBee socket and micro USB. - [M2 Bee-Compatible Add-ons](https://docs.macchina.cc/product-documentation/m2-docs/detailed-reference/communication/m2-bee-compatible-add-ons.md) - [Cellular](https://docs.macchina.cc/product-documentation/m2-docs/detailed-reference/communication/cellular.md) - [Power](https://docs.macchina.cc/product-documentation/m2-docs/detailed-reference/power.md) - [Storage/Memory](https://docs.macchina.cc/product-documentation/m2-docs/detailed-reference/memory.md): Storage available either via EEPROM or microSD - [12V IO](https://docs.macchina.cc/product-documentation/m2-docs/detailed-reference/12vio.md): Want to learn more about the 12V IO available? Here are the ins and outs... - [LEDS/Buttons](https://docs.macchina.cc/product-documentation/m2-docs/detailed-reference/leds-buttons.md) - [Enclosures](https://docs.macchina.cc/product-documentation/m2-docs/detailed-reference/enclosures.md): Protect your M2! - [Breakout Board](https://docs.macchina.cc/product-documentation/m2-docs/detailed-reference/byob.md): BYOB - Bring Your Own microcontroller Board - [Schematics and Source](https://docs.macchina.cc/product-documentation/m2-docs/detailed-reference/open-source.md) --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.macchina.cc/product-documentation/m2-docs/detailed-reference.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.