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apu1d4 System board
Status Sold out, please use apu2 series for new designs. Could still be produced for LARGE orders, given ample lead time.
Models apu1d = 3 LAN, 2 GB DRAM, T40E CPU
apu1d4 = 3 LAN, 4 GB DRAM, T40E CPU
apu1c = 3 LAN, 2 GB DRAM, T40E CPU (EOL)
apu1c4 = 3 LAN, 4 GB DRAM, T40E CPU (EOL)
Use with case1d2blku / case1d2redu / case1d2bluu enclosures
ac12veur3 / ac12vuk / ac12vus2 AC adapter
msata16e mSATA SSD
wle200nx / wle600vx miniPCI express wireless module
  • CPU: AMD G series T40E, 1 GHz dual Bobcat core with 64 bit support, 32K data + 32K instruction + 512K L2 cache per core
  • DRAM: 2 or 4 GB DDR3-1066 DRAM
  • Storage: Boot from SD card (connected through USB), external USB or mSATA SSD. 1 SATA + power connector.
  • 12V DC, about 6 to 12W depending on CPU load. Jack = 2.5 mm, center positive
  • Connectivity: 3 Gigabit Ethernet channels (Realtek RTL8111E)
  • I/O: DB9 serial port, 2 USB external + 2 internal, three front panel LEDs, pushbutton
  • Expansion: 2 miniPCI express (one with SIM socket), LPC bus, GPIO header, I2C bus, COM2 (3.3V RXD / TXD)
  • Board size: 6 x 6" (152.4 x 152.4 mm) - same as ALIX.2D13 and WRAP.1E
  • Firmware: coreboot
  • Cooling: Conductive cooling from the CPU and south bridge to the enclosure using a 3 mm alu heat spreader (included).
Documentation apu1.pdf
Howto HowTo collection
Cooling assembly apu cooling assembly instructions
BIOS update Build 9/8/2014 (beta, reduced "spew level")
Build 7/8/2014 (beta)
Build 4/5/2014 (current production)
Build 4/1/2014 (beta)

Flash update can be done using flashrom, see our TinyCore Linux installer for easiest installation.

apu1d Revision notes
  • No stuff J12 SPI header to allow easier 2.5" SSD installation.
  • Change bias supply for U7 VMEM / VTT regulator to V5A to fix suspend /resume support.
  • Add CE, FCC symbols.
 Schematic PDF (1C) / PDF (1D)
Manufacturer PC Engines
Origin Taiwan
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