002 Rack resetting itself with the "Held off interrupts" error every few seconds.

[King Triumph]

Hey All,

My Digi 002 Rack started acting up today, giving me error -6086, aka "The system held off interrupts for too long, try increasing H/W Buffer size..." It had been working fine for most of the day. It's always occasionally given me this error if I had too many plug-ins loaded and my buffer size was too small, but didn't occur with such frequency that I couldn't work. Now it gives me the error before a session is even loaded and then every few seconds there after. It will not play back at all. Any attempt is met with another error. After this started occurring, I noticed some of my preferences had changed too, such as my track color settings. So far I've restarted my computer and the Digi 002 several times, and loaded Pro Tools from scratch several times, attempting to work with different sessions, all with the same result. I also switched the firewire port on the back of the Digi 002 that I was using. Any help would be appreciated. Here is my current setup:

Mac Pro 2.66 Quad Core
OS X 10.4.9
Digi 002 Rack
Pro Tools LE 7.4

Any help or insight is greatly appreciated. Thanks.

KTri