PC Engines APU 3

The PC Engines APU3 boards are very similar to the APU2 boards, but they are designed to use two 3G / LTE modems, so the first two Mini PCIe slots have USB connection and are connected to the two SIM slots, and only the Mini pcie slot on the left has PCie interface.
So in layman terms you can only install 3G/LTE/5G modem cards in the first two slots and a wifi card in the third slot.

The board also has two SIM slots with hardware switching (OpenWrt support for the switch unknown).

Most information about APU3 is the same as APU2 so you can probably look at the article about APU2 boards

There have been reports that “old” SD cards with the 18.06.1 squashfs image are not recognized as bootable, though the ext4 image on the same card boots.

2018-09 -- https://forum.openwrt.org/t/sd-install-on-apu-2c2/21584

Supported Versions

Brand↓ ModelCurrent ReleaseOEM InfoForum TopicTechnical Data
PC EnginesAPU3A222.03.5http://www.pcengines.ch/apu3a2.htmView/Edit data
PC EnginesAPU3C222.03.5http://pcengines.ch/apu3c2.htmView/Edit data
PC EnginesAPU3C422.03.5http://pcengines.ch/apu3c4.htmView/Edit data

Status

  • Full support since LEDE-17.01.4

Hardware Highlights

↓ ModelSoCCoresCPU MHzFlash MBRAM MBGbit portsNICsUSB
APU3A2AMD GX-412TC41000SD20483 Intel i211AT2x 3.0
APU3C2AMD GX-412TC41000SD20483 Intel i211AT2x 3.0
APU3C4AMD GX-412TC41000SD40963 Intel i211AT2x 3.0

Installation

↓ ModelCurrent ReleaseFirmware OpenWrt InstallFirmware OpenWrt UpgradeFirmware OEM Stock
APU3A222.03.5https://downloads.openwrt.org/releases/22.03.5/targets/x86/64/openwrt-22.03.5-x86-64-generic-squashfs-combined.img.gzhttps://downloads.openwrt.org/releases/22.03.5/targets/x86/64/openwrt-22.03.5-x86-64-generic-squashfs-combined.img.gz
APU3C222.03.5https://downloads.openwrt.org/releases/22.03.5/targets/x86/64/openwrt-22.03.5-x86-64-generic-squashfs-combined.img.gzhttps://downloads.openwrt.org/releases/22.03.5/targets/x86/64/openwrt-22.03.5-x86-64-generic-squashfs-combined.img.gz
APU3C422.03.5https://downloads.openwrt.org/releases/22.03.5/targets/x86/64/openwrt-22.03.5-x86-64-generic-squashfs-combined.img.gzhttps://downloads.openwrt.org/releases/22.03.5/targets/x86/64/openwrt-22.03.5-x86-64-generic-squashfs-combined.img.gz

See PC Engines APU 2 for installation instructions.

Schematics and datasheets

Bios Upgrade

The onboard BIOS can be upgraded to a more recent version, see the generic article for PC Engines APUs here

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  • Last modified: 2021/09/10 14:53
  • by bobafetthotmail