Booting from PCIe SSD

Matthew Dillon dillon at
Tue Jul 7 20:39:06 PDT 2015

The pure PCI-e flash cards (PCIe card with flash on-board) require a driver
that we have not ported.  FreeBSD has a driver but we haven't ported it
yet.  If you have enough SATA ports and are simply lacking bay space, you
can get a 2.5" hot-swap mount that goes into a PCI slot (just screws into
the machine, doesn't actually use the slot pins) which would give you a
2.5" port in the back of the machine.

I don't recommend port multipliers.

There are PCIe SATA cards that offer more internal or external SATA ports.
We support some of the silicon image cards based on the SIL3132 chip.
Those are fairly old but work fine.


On Tue, Jul 7, 2015 at 9:51 AM, Justin Sherrill <justin at>

> You could put a normal SSD in there, and if you needed to attach more
> drives, use a Silicon Image port multiplier - if there's an eSATA
> connector on the outside.
> I realize that's answering a different question than the one you asked.
> On Tue, Jul 7, 2015 at 10:54 AM, PeerCorps Trust Fund
> <ipc at> wrote:
> > Greetings,
> >
> > Does anyone have any experience booting Dragonfly on an SSD mounted on a
> PCIe lane? The board (Intel) that I am currently working with has 4
> internal SATA ports. I'd like to add an SSD for boot and swapcache while
> not "sacrificing" the use of a full 3.5 inch bay and SATA port otherwise
> used for storage.
> >
> > The machine has a PCIe x16 Gen 2.x lane free which seems suitable for an
> SSD. The model that appears to have the features that I am looking for is
> this one
> >
> > Any ideas or suggestions would be greatly appreciated!
> >
> > --
> > Mike
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