CPU: Allwinner H3 ARM Cortex-A7 Quad-Core RAM: 512MB Storage: 1 microSD card slot 2x Gigabit LAN one from SoC and one via USB2.0 (max 250mBit) 1x USB 2.0 1x 802.11 b/g/n Wifi
This is a 512MB Version which is not recommended.
Download the latest armv5tel IPFire image, (you need at least core135)
unpack the Image to a MicroSD Card
xzcat ipfire-2.23.2gb-ext4.armv5tel-full-coreXXX.img.xz > /dev/mmcblk? # (or /dev/sd? depends on your card-reader)
after this edit uENV.txt on the µSD Card and add
To switch the serial console to S1 wich is the Internal Debug connector.
To connect the NanoPi R1S to a computer you need a Serial-TTL to USB-Cable.
Now you can use the same procedure like other serial devices to setup.