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OCuLink Riser for the Supermicro AIOM Slot

Public Unreviewed

by John Lauer

Passive OCP NIC 3.0 SFF card that breaks a Supermicro AIOM slot's PCIe x16 into four OCuLink 4i ports (4 x4, Gen4): 6-layer, 85 ohm, length-matched, DRC-clean KiCad project with Gerbers, BOM and CPL.

pcbkicadoculinksff-8611ocp-nic-3.0aiomsupermicropcie-gen4riseropen-hardware
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oculink-aiom-riser / design / fru.txt
HistoryDownload
John Lauer The finished riser: KiCad project, Gerbers/BOM/CPL, design record, renders and analysis 09d929e 7d ago
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FRU EEPROM image for the OCP NIC 3.0 SFF to 4x OCuLink riser (BR24H64, 8 KiB, 2-byte addressing)
used 237 bytes; common header 01 00 00 01 0d 19 00 d8
board area 96 B, product area 96 B, multirecord 37 B
OCP Base OEM record 0xC0: 7f a6 00 06 01 01 01 01 00 00 00 00 00 00 00 00 00 04 00 00 00 00 00 00 00 00 00 00 00 00 ff 00
Program (JP1 bridged, card in the slot, Linux host): i2ctransfer with 2-byte addressing at 0x50 + SLOT_ID,
or ipmitool fru write <id> fru.bin from the BMC. Remove JP1 afterwards to write-protect.