# Pademelon 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 ![mainboard][pademelon] 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 ![back panel][pademelon_io] * The lower serial port is UART A (debug serial) ## Flashing coreboot ```eval_rst +---------------------+--------------------+ | Type | Value | +=====================+====================+ | Socketed flash | no | +---------------------+--------------------+ | Model | Macronix MX256435E | +---------------------+--------------------+ | Size | 8 MiB | +---------------------+--------------------+ | Flash programming | dediprog header | +---------------------+--------------------+ | Package | SOIC-8 | +---------------------+--------------------+ | Write protection | No | +---------------------+--------------------+ ``` ## Technology ```eval_rst +---------------+------------------------------+ | Fan control | Using fintek F81803A | +---------------+------------------------------+ | CPU | Merlin Falcon (see reference)| +---------------+------------------------------+ ``` ## Description of pictures within this document ```eval_rst +----------------------------+----------------------------------------+ |pademelon.jpg | Motherboard with components identified | +----------------------------+----------------------------------------+ |pademelon_io.jpg | Back panel picture | +----------------------------+----------------------------------------+ ``` ## Reference [Merlin Falcon BKDG][merlinfalcon] [merlinfalcon]: ../../../soc/amd/family15h.md [pademelon]: pademelon.jpg [pademelon_io]: pademelon_io.jpg