Difference between revisions of "Rock/FAQ"
< Rock
(→Features and Specifications) |
(→What battery does the Radxa Rock need for the RTC (Real-Time Clock)?) |
||
| Line 36: | Line 36: | ||
=== What battery does the Radxa Rock need for the RTC (Real-Time Clock)? === | === 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. | : The model of the RTC battery is CR1220 and it's 3V. | ||
| + | |||
| + | === Why android keeps crashing and rebooting while in some apps(Gmail,benchmark antutu)or restart repeatedly === | ||
| + | : It's the problem of the power supply. Radxa should be powered by DC (5V/2A) | ||
Revision as of 02:20, 18 February 2014
Contents
- 1 Background
- 2 Features and Specifications
- 2.1 What is the WiFi module chip and can it operate as an Access Point?
- 2.2 What is the size of the board?
- 2.3 Are both audio in and out on the 80 pin?
- 2.4 What video and audio formats does the Radxa Rock support?
- 2.5 Radxa Rock has Audio S/PDIF out, optical. Is it sound 5.1 (7.1)?
- 2.6 What battery does the Radxa Rock need for the RTC (Real-Time Clock)?
- 2.7 Why android keeps crashing and rebooting while in some apps(Gmail,benchmark antutu)or restart repeatedly
Frequently Asked Questions
Background
Who is behind the Radxa project.
- Radxa is a startup company by Tom Cubie and his friends based in Shenzhen, China.
Features and Specifications
What is the WiFi module chip and can it operate as an Access Point?
- The WiFi module is a RTL8723au and at the moment there is not much information regarding this module available on the internet but you can use it as an Access Point. You can view the specification for the module here: RTL8723 module specification. and the driver can be found here: https://github.com/lwfinger/rtl8723au.
- Some Radxa Rock boards come with a RTL8188ETV, the driver for this module can be found here: https://github.com/lwfinger/rtl8188eu.
What is the size of the board?
- The size is 10x8cm (4"x3.1"), about 1.2cm (0.5") tall.
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.
What video and audio formats does the Radxa Rock support?
- You can view the full supported audio and video format here:
- 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.
Why android keeps crashing and rebooting while in some apps(Gmail,benchmark antutu)or restart repeatedly
- It's the problem of the power supply. Radxa should be powered by DC (5V/2A)