*** UPDATED **** SOLVED:
-Updated ACARD AEC-7720UW FIRMWARE to latest version!
-Now 16-bit Synchronous mode works with exact same drive and cable
-Now 30MB/sec measured with SysSpeed!!!!!
Wow!
***********************8
I think I am having some termination problems on my Cyberstorm PPC scsi.
Here's what I have:
A short SCSI cable with a terminator on the end (how do I tell if it's Active?!?), one connector in the middle, then one at the other end.
So I have:
End of cable Terminator --> CS PPC <-- ACARD 7720UW SCSI-to-IDE and then my IDE drive.
The only jumpers on the ACard are Terminator Enable and Terminator Power. Both are enabled.
My problem:
-I *HAVE* to set the bus-width to 8-bits. If I set to 16-bits I get a parity error message from the cybppc.device (under os 3.9).
-The drive works fine in OS 3.9, set to 8-bit synchronous.
-I *have* had a lockup under OS 3.9 from which I think was a SCSI lockup.
-The drive is NOT detected under OS 4.0 after the OS4 kernel loads and the machine reboots. The OS4 cybppc.device scans the SCSI bus but does not detect any devices.
Any ideas?!? thanks