Difference between revisions of "RockpiS/FAQs"
< RockpiS
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=== Can I ssh to ROCK Pi S running official Debian? === | === Can I ssh to ROCK Pi S running official Debian? === | ||
: Yes, you can. The ROCK Pi S is shown as '''rockpis.local''' in your local network. Check out the [[RockpiS/getting_started/troubleshooting#Using_SSH | Using SSH]] page. | : Yes, you can. The ROCK Pi S is shown as '''rockpis.local''' in your local network. Check out the [[RockpiS/getting_started/troubleshooting#Using_SSH | Using SSH]] page. | ||
+ | |||
+ | === For ROCK Pi S Ubuntu/Debian system images, the kernel reserves a lot of RAM (about 89 MB), can I reclaim some RAM back? === | ||
+ | : Yes. The solution is to add "swiotlb=1024" to the kernel command line. It should let you reclaim 62MB of RAM. See this [https://forum.radxa.com/t/too-much-reserved-ram-how-to-reclaim/3457 Radxa forum post]. | ||
+ | : Take the latest [https://dl.radxa.com/rockpis/images/debian/rockpis_debian_buster_minimal_arm64_20200528_1227-gpt.img.gz ROCK Pi S Debian system] as an example, add the following line at the end of file /boot/uEnv.txt. | ||
+ | |||
+ | extraargs=swiotlb=1024 | ||
+ | |||
+ | === Where is the Radxa APT sources list? === | ||
+ | : Check file /etc/apt/sources.list.d/apt-radxa-com.list. | ||
== Addons == | == Addons == | ||
=== Where is the PoE HAT for ROCK Pi S? I can't find it anywhere === | === Where is the PoE HAT for ROCK Pi S? I can't find it anywhere === | ||
: As the time of writing, the PoE HAT for ROCK Pi S is still under development. We are planning two versions of PoE HAT for the S, the standard 802.3af one and the passive PoE one. | : As the time of writing, the PoE HAT for ROCK Pi S is still under development. We are planning two versions of PoE HAT for the S, the standard 802.3af one and the passive PoE one. |
Revision as of 13:13, 29 May 2020
OS
What OS is ROCK Pi S running?
- Currently we have Debian Buster, Armbian and Slackware Linux running on ROCK Pi S.
Can I ssh to ROCK Pi S running official Debian?
- Yes, you can. The ROCK Pi S is shown as rockpis.local in your local network. Check out the Using SSH page.
For ROCK Pi S Ubuntu/Debian system images, the kernel reserves a lot of RAM (about 89 MB), can I reclaim some RAM back?
- Yes. The solution is to add "swiotlb=1024" to the kernel command line. It should let you reclaim 62MB of RAM. See this Radxa forum post.
- Take the latest ROCK Pi S Debian system as an example, add the following line at the end of file /boot/uEnv.txt.
extraargs=swiotlb=1024
Where is the Radxa APT sources list?
- Check file /etc/apt/sources.list.d/apt-radxa-com.list.
Addons
Where is the PoE HAT for ROCK Pi S? I can't find it anywhere
- As the time of writing, the PoE HAT for ROCK Pi S is still under development. We are planning two versions of PoE HAT for the S, the standard 802.3af one and the passive PoE one.