I have doe the opposite - an fdr switch to edr card. The only caveat is that it needs to be an fdr cable. An edr cable between fdr and edr does not work.
Carl Carl Schmidtmann Center for Integrated Research Computing University of Rochester > On Mar 1, 2021, at 2:02 PM, Michael Di Domenico <mdidomeni...@gmail.com> > wrote: > > has anyone plugged a mellanox fdr card into a mellanox edr switch? i > need to connect a server that doesn't have a x16 port so no edr card, > but i do have an fdr card that's x8. i don't need the speed just the > connection, but i've not tried this before. a quick google says it > should work, but i'm loathe to until i hear someone else has. > _______________________________________________ > Beowulf mailing list, Beowulf@beowulf.org sponsored by Penguin Computing > To change your subscription (digest mode or unsubscribe) visit > https://urldefense.proofpoint.com/v2/url?u=https-3A__beowulf.org_cgi-2Dbin_mailman_listinfo_beowulf&d=DwICAg&c=kbmfwr1Yojg42sGEpaQh5ofMHBeTl9EI2eaqQZhHbOU&r=_caSzr_Ms3sAzqMOZre5H8_pPWCKxN1QjfXy-2XdDEw&m=vfUXqsY_TxwtlyXFNowQXPXQHqV6AoFy0AxRgtkWxO4&s=1eb2J8sMFZRbZnsTIs-a7X8N_dOzweOFNiq68NKa6rY&e= > _______________________________________________ Beowulf mailing list, Beowulf@beowulf.org sponsored by Penguin Computing To change your subscription (digest mode or unsubscribe) visit https://beowulf.org/cgi-bin/mailman/listinfo/beowulf