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Amiga computer related discussion => Amiga Hardware Issues and discussion => Topic started by: Flashlab on September 05, 2007, 10:37:43 PM
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I have all my SCSI settings to autoconfig but that way my HD gets recognised as an asynchronised one. That way the speed is slower than what the drive could do. My termination should be ok (active terminator at both ends). The HD is the only unit on the chain. I checked with the P5 program Unitcontrol and it says Asynchronous. If I check synchronous in the boot menu it works but I wonder why it doesn't work with Auto?
I had it autoconfiged correctly with another HD present on the chain once. Could it be because of SFS in the RDB? That's all I did with the HD...
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My BPPC SCSI wasn't able to permanently save the synchron mode for some reason. I ended up using unitcontrol from startup-sequence to enable it.
You could try using unitcontrol from commandline:
unitcontrol DEVICE cybscsi.device UNIT PERIOD 10 OFFSET 8
...or whatever values you want to try. When you find the best (fastest) settings you can add the command to user-startup (or commands if you have multiple HDDs).
It's a bit bruteforce approach, but it did the trick for me.
[EDIT]Ahh, I just reread the post and can see you actually are able to get it going by forcing the mode. Ohwell, then you can just use that instead of the commandline mess.[/EDIT]
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Such things happen, my "newest" (4-5 years) U2SCSI 36 GB HD needs to be forced to synchron on the CSPPC config. The older U2W and UW HDs do synchron via Auto. They all are IBM.