The Minnowboard turbot is a Intel Atom based SBC
specification:
- Intel Atom E3826 SoC
- 2x Intel CPU at 1.46ghz
- 2GB memory
- Intel graphics
- Ethernet port
- 2x USB (1x USB 3, 1x USB 2)
- 1x micro SD card
- 1x SATA II port
- No RTC
- Size: 99x74mm
The board can be bought via mouser. Note that this is the dual-core not quad core board.
Power control
The board can be powered on/off via a DC power jack:
- 5V/4A DC input, 2.1mm x 5.5mm, center positive
Low-level boot control
The board has a 6 pin serial header between the sata port and the microsd slot. The pinout is as follows:
- 1: GND (closest to sata)
- 2: CTS
- 3: VCC (3.3v)
- 4: TXD
- 5: RXD
- 6: RTS
This is a pretty common layout for use with FDTI USB to serial cables; These can be bought on e.g. mouser
Serial port settings: 115200 8N1
Network connectivity
Standard ethernet jack; nothing to see here.
Bootloader
As an intel system the minnowboard comes with a UEFI bios installed, which is capable of PXE booting. The recommended way of loading a bootloader is via this mechanism e.g. grub, which lava can further drive.
Notes on how to build a suitable grub can be found in the apertis setup guide
Health checks
- Standard x86_64 Linux kernel can be used for healthchecks
Lab notes and trouble shooting
Insert SD cards in the SD card slot for testing.