CompuServe Messages

I am using an Amiga 2000 configured with a GVP GForce 40 MH '030, 8 Meg of 32 bit addessable RAM, and the onboard SCSI-II controller. I have tried a number of configurations however, including the Supra WordSync, ICD Advantage, and CBM 2091 SCSI controllers in conjunction with a CBM 2630 accellerator with 12 Meg of 32 bit addressable memory. I have also used a number of drives from Quantum, Seagate, and Maxtor. The slowest was an old Maxtor 340 Meg drive, which still had a average seek time of about 12 ms, and respectable max throughput. The absolute worst case was the Advatage and 2630, and even then I was able to get 4 or 5 tracks at 44.1. Typcially I could get 6 or 7 tracks on the other configurations, and the present setup allows 7 most of the time and 8 sometimes. The speed of the microprocessor does not seem to have much affect, once you get up to an '030. The biggest bottleneck I have found has been the SCSI to AD516 path. In my case it is still partially 16 bits, which causes some degradation, but I believe it is the DMA path between the drive and the CPU that is the biggest concern. I know that I have set up Studio16 on a 25 MHz Amiga 3000 and it worked flawlessly, 8 tracks at 48 KHz sampling rate, which is why I think that the Disk to memory path is so important. The path to the AD516 turns out to be 16 bits wide, so an A2000 will work as well as an A3000 or A4000 as far as that path goes. So I guess my recommendation to you would be to trade the seperate accellerator and SCSI host adapter for a combined one, or trade the 2000 for a 3000, which ever is the cheaper way to get the disk to cpu path widened! Hope this helps, and holler back if you have any questions!