On Dec 20, 2010, at 12:14 PM, Godfrey DiGiorgi wrote: > If you already have all the cables you need for the FW 400 devices and > just need to adapt the FW800 to FW400 at the computer to start the > chain, this little $12 adapter does a great job: > > moshi FireWire 800 to 400 adapter (on Amazon) > http://tinyurl.com/2f4y3dy
Thanks. That looks like a good solution. I have about ten USB 2 devices running now, some off a powered hub. I need to use firewire for some other things, like my video camera, and I'll probably switch a few drives back to firewire as well, just to take some of the load off USB. Paul > > It's what I use for my FW400 connection off the Mac Mini. > > One thing I've found with the Mac Mini compared to my PowerMac G5 is > that Apple has invested heavily into USB 2.0 optimization. Where on > the G5 a USB 2.0 device couldn't even remotely approach the > performance of the same device connected via FW400, now the USB2 > device are at near-parity and sometimes edge out the FW400 connection. > > FW still has an advantage on sustained high-volume throughput and has > features lacking in USB2 (multi-master, more reliable power, etc), but > I have no problems using either of these two interfaces now when > optimizing data transfers and doing image processing. FW800 on > suitably well engineered devices, of course, out-performs USB2 and > FW400 but I haven't found I need to upgrade all of my drive > enclosures: current performance is quite satisfactory for still > photography work. > > On Mon, Dec 20, 2010 at 7:54 AM, Mat Maessen <tomatoe...@gmail.com> wrote: >> On Mon, Dec 20, 2010 at 10:46 AM, Paul Stenquist >> <pnstenqu...@comcast.net> wrote: >>> My iMac 27 has only a firewire 800 port, and I still have some firewire 400 >>> devices. Can they be >>> plugged into the firewire 800 port? If so, I would guess that cables that >>> accomplish this are >>> available? Any info on this is most appreciated. >> >> Yes, your FW400 devices will work off of a FW800 port. >> >> See http://www.monoprice.com/products/subdepartment.asp?c_id=102&cp_id=10301 >> for examples of cables. What you want is a 9 pin to 6 pin or a 9 pin >> to 4 pin cable, depending on what type of device you're connecting. >> >> -Mat >> >> -- >> PDML Pentax-Discuss Mail List >> PDML@pdml.net >> http://pdml.net/mailman/listinfo/pdml_pdml.net >> to UNSUBSCRIBE from the PDML, please visit the link directly above and >> follow the directions. >> > > > > -- > Godfrey > godfreydigiorgi.posterous.com > > -- > PDML Pentax-Discuss Mail List > PDML@pdml.net > http://pdml.net/mailman/listinfo/pdml_pdml.net > to UNSUBSCRIBE from the PDML, please visit the link directly above and follow > the directions. -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
