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==背景==
=== Radxa 项目团队介绍.===
: Radxa 是一个创业型公司,由Tom Cubie 带领的团队 于2013年在深圳创办

==常见问题==

=== 从哪里获取代码===
:两种方法
:1. 从我们的git服务器上获取,参考wiki [[Rock/Android_Build#Get_the_source_code | Get_the_source_code ]] (注: 需要申请git账号,方法是发送申请邮件到 support@radxa.com)
:2. 从这里下载git repo:  http://dl.radxa.com/rock/source/radxa_rock_android.tar.gz  下载解压后在文件根目录运行 git checkout(注：不需要申请账号)

=== OTG线 和 电源的规格 ===
:标准的micro USB OTG 线即可,电源推荐 5V/2A

=== Radxa能否当AP使用 ===
:可以.   Radxa 使用了两种wifi芯片RTL8723au 和RTL8188ETV
:1.RTL8723au拿来用做AP,网上的相关信息很少.这里有一个关于该模组的资料介绍可以参考: [http://dl.radxa.com/rock/docs/hw/ds/BL-8723RB1_product_specification.pdf      RTL8723 module specification.] 
:       驱动可以从这里获得: https://github.com/lwfinger/rtl8723au.
:2.RTL8188ETV, 其驱动可以在这里获得: https://github.com/lwfinger/rtl8188eu.

=== Radxa Rock的尺寸是多少? ===
: 10x8cm (4"x3.1"),  1.2cm (0.5") 高.

=== Are both audio in and out on the 80 pin? ===
: Audio in is on the 80 pin headers and audio out is on the HDMI, S/PDIF and AV jack.
: There is also an integrated microphone on the PCB.

=== Radxa Rock 支持哪些音视频格式 ===
: 参考文档,这里有详细介绍 http://dl.radxa.com/rock/docs/hw/ds/RK3188%20Multimedia%20Codec%20Benchmark.pdf

=== Radxa Rock has Audio S/PDIF out, optical. Is it sound 5.1 (7.1)? ===
: From the rk3188 manual, the spdif feature is: 
: SPDIF
: Audio resolution: 16bits/20bits/24bits
: Software configurable sample rates (48KHz, 44.1KHz, 32KHz)
: Stereo voice replay with 2 channels
: so it's not 5.1 audio.

=== What battery does the Radxa Rock need for the RTC (Real-Time Clock)? ===
: The model of the RTC battery is CR1220 and it's 3V.

=== 为什么Android在运行的时候老是重启 或者在运行相关应用的时候(Gmail,安兔兔等)重启 ===
:这是由于供电不足导致,请使用5V/2A的直流电源供电