Hi Andreas,

you wrote in <Pine.SV4.3.91.950801000819.23966B-100000@whome.planix.com>:
> The problem appears to occur when a FAST SCSI-2 drive is attached to the
> 53c810 controller. 

I have used a Quantum FB 1080 with my NCR 53c810 recently (5.7MB/sec,
so it must have used Fast SCSI II) and it worked fine. Maybe you have
a cable problem showing up only with high transfer rates?

-- 
Matthias Scheler
tron@lyssa.owl.de