the cheap bridges are actually based on the 20330 you can find a real data sheet if you search for JM20330_datasheet_v2.5.pdf hard enough
some discussions of their use with ssd trim https://forum.thinkpads.com//viewtopic.php?t=115329 On 8/4/17 8:08 AM, Al Kossow via cctalk wrote: > > > On 8/4/17 7:57 AM, Christian Corti via cctalk wrote: > >> http://www.dx.com/en/p/jm20330-2-5-3-5-sata-to-40-pin-ide-adapter-card-green-black-241466 > > these are the ones I'm using, all based on the same JMicron bridge > this one is short enough you can fit it in a space designed for a 3.5" drive. > > http://www.jmicron.com/product0206.html >