Padmelon board

Specs (with Merlin Falcon SOC)

  • Two 260-pin DDR4 SO-DIMM slots, 1.2V DDR4-1333/1600/1866/2133 SO-DIMMs Supports 4GB, 8GB and 16GB DDR4 unbuffered ECC (Merlin Falcon)SO-DIMMs
  • Can use Prairie Falcon, Brown Falcon, Merlin Falcon, though coreboot code is specific for Merlin Falcon SOC. Some specs will change if not using Merlin Falcon.
  • One half mini PCI-Express slot on back side of mainboard
  • One PCI Express® 3.0 x8 slot
  • Two SATA3 ports with 6Gb/s data transfer rate
  • Two USB 2.0 ports at rear panel
  • Two USB 3.0 ports at rear panel
  • Dual Gigabit Ethernet from Realtek RTL8111F Gigabit controller
  • 6-channel High-Definition audio from Realtek ALC662 codec
  • One soldered down SPI flash with dediprog header

Mainboard

../../../_images/padmelon.jpgmainboard

Three items are marked in this picture

  1. dediprog header
  2. memory dimms, address 0xA0 and 0xA4
  3. SATA cables connected to motherboard

Back panel

../../../_images/padmelon_io.jpgback panel

  • The lower serial port is UART A (debug serial)

Flashing coreboot

Type Value
Socketed flash no
Model Macronix MX256435E
Size 8 MiB
Flash programing dediprog header
Package SOIC-8
Write protection No

Technology

Fan control Using fintek F81803A
CPU Merlin Falcon (see reference)

Description of pictures within this document

padmelon.jpg Motherboard with components identified
padmelon_io.jpg Back panel picture