board
OCuLink Riser for the Supermicro AIOM Slot
Public Unreviewedby 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.
← Commit history
Lead with the video, then the 3D render and the 3D tour; board GLB from adom-aiflow 0.1.92 board-glb copper (ENIG pads, opaque silkscreen)
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README.md+12@@ -1,9 +1,21 @@ # OCuLink Riser for the Supermicro AIOM Slot +::adom-video{src="/john/oculink-aiom-riser/render/video/oculink-riser.video.json"}++[Download the video](video/oculink-riser.mp4) · captions: [VTT](video/oculink-riser.vtt), [SRT](video/oculink-riser.srt)++<p align="center"><img src="docs/renders/hero-iso.png" width="900" alt="The riser in 3D: gold fingers at the front, four OCuLink receptacles on the faceplate edge"></p>+ A passive card for Supermicro's AIOM slot (OCP NIC 3.0 small form factor) that breaks the PCIe x16 link out to four OCuLink (SFF-8611) ports, so NVMe drives or a GPU can be cabled out at PCIe Gen4. It was built for a YouTube viewer who asked for one, by Claude in Adom Hydrogen with adom-aiflow and KiCad. **Status: designed and checked, not yet built.** The KiCad project, Gerbers, drill files, BOM and pick-and-place are all here. Nobody has fabricated or tested a card yet. If you build one, please open an issue on this page with what you found. +## 3D tour: the card and its new component pages++::adom-video{src="/john/oculink-aiom-riser/render/video/oculink-riser-tour.video.json"}++A walk around the finished card in Adom's 3D viewer: the four OCuLink receptacles, the ESD arrays, the reset buffer and power-good supervisor, the OCP scan chain and FRU EEPROM, the gold fingers and the underside. Then the two component pages this build added to the wiki: the [Amphenol G14A42111C12HR OCuLink receptacle](https://wiki.adom.inc/adom/g14a42111c12hr) and the [ROHM BR24H64FJ-5ACE2 EEPROM](https://wiki.adom.inc/adom/br24h64fj-5ace2). [Download the tour](video/oculink-riser-tour.mp4) · captions: [VTT](video/oculink-riser-tour.vtt), [SRT](video/oculink-riser-tour.srt).+ ## What it does | | |
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