EA6200 compatible HFS+ external hard drive?

Hello,

I have a macbook pro and I recently got an EA6200 router.  It has a usb port and I want to plug in an external hard drive and be able to access it on my home wireless network.  I plugged in a 1TB seagate drive into and it crashes the router every time.  This linksys website discusses external hard drive compatibility: 

http://kb.linksys.com/Linksys/GetArticle.aspx?docid=0868d4e24a6a468280c3cf270c1d6a31_21517.xml&pid=1&converted=0

But there are none listed for the EA6200.  For the EA4500 only 2 external hard drives are compatible for HFS+, but they are small thumb drives.  I'd like at least a 1 terabyte drive.  Anybody have any ideas?  Thank you!

stu