> I am totally off the deep end and don't know where else to turn > for help/advice. I am trying to get 16 GPU's on one motherboard.
Hmmmm. Yet another crypto currencies miner. ;-) > Whenever I attach more then 3~5 GPU's to a single motherboard, > it fails to post. To make matters worse, my post code reader(s) don't > seem to give me any good error codes. Or at least nothing I can go on. You should have at minimum 1KW PSU for this job. At least... I guess, even more (for 16 discrete GPUs) 2 x 1KW would be reasonable. Zoran _______ On Thu, Jan 4, 2018 at 8:38 PM, Adam Talbot <ajtalb...@gmail.com> wrote: > -Coreboot > I am totally off the deep end and don't know where else to turn for > help/advice. I am trying to get 16 GPU's on one motherboard. Whenever I > attach more then 3~5 GPU's to a single motherboard, it fails to post. To > make matters worse, my post code reader(s) don't seem to give me any good > error codes. Or at least nothing I can go on. > > I am using PLX PEX8614 chips (PCIe 12X switch) to take 4 lanes and pass them > to 8 GPU's, 1 lane per GPU. Bandwidth is not an issues as all my code runs > native on the GPUs. Depending on the motherboard, I can get up to 5 GPU's to > post. After many hours of debugging, googling, and trouble shooting, I am > out of ideas. > > At this point I have no clue. I think there is a hardware, and a BIOS > component? Can you help me understand the post process and where the hang up > is occurring? Do you think Coreboot will get around this hangup and, if so, > can you advise a motherboard for me to test with? > > Its been a long time sense I last compiled linuxbios. ;-) > > Thanks > -Adam > > -- > coreboot mailing list: coreboot@coreboot.org > https://mail.coreboot.org/mailman/listinfo/coreboot -- coreboot mailing list: coreboot@coreboot.org https://mail.coreboot.org/mailman/listinfo/coreboot