Thanks for your response, Mark.
Define 64-bit, and how do you making the declaration that it is not supported.
I was apparently incorrectly basing it on the register's address space from the lspci output. Can you perhaps help me tell a better way to tell if my 2200S card is using "64-bit mode" (as in whatever the hell marketing people mean by 64-bit).
My problem is in a nutshell -- performance. I can't get anything above 40MB/s writes with this card with 5 15k-spin U320 disks in a raid5. I can get better throughput with with a software raid5 running off of my on-board AIC-7902 also running at 66MHz (but presumably in 64 bit mode), but I need to use this card...
The driver does not turn on DAE until there is more than 4G of memory in the system to use the more optimal 32 bit SG elements.
Does this mean that PCI won't use "64-bit mode" (as in whatever the hell marketing people mean by 64-bit) unless I have 4GB of system memory?
Please forgive my apparent ineptitude in these matters, and again thanks for your help...
--
Tim Wesemann
Voicenet Systems Administration
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