I'm trying to get a UL2D to work in an S900 but not having any luck. 
It's fine as long as I don't connect any drives to it.   It even 
shows up properly in ASP.   As soon as I connect drives it causes the 
machine to freeze at the gray screen.

Now ordinarilly I'd think SCSI configuration or cable problem, but 
the exact same SCSI chain works fine with an Adaptec 2940U2B.   I 
have an amphenol LVD SCSI cable and terminator.  The drives I'm using 
are a pair of Western Digital WDE18300 18 GB LVD drives set to IDs 1 
and 2.

I've tried the drives individually and together with the same 
results.   With just a bare cable and terminator (no drives) 
connected to the UL2D card it's fine.   It's only when I connect a 
drive that there's a problem.

The machine is an S900 motherboard with a Sonnet G4/800.  The UL2D is 
plugged into the second slot, not a lower slot.  I can't use slot 1 
because the E100 extender is in the way. The OS shouldn't matter 
since I'm not getting past the gray screen but I'm using 9.1 or 8.6 
depending on which volume I boot from.  I guess I could try a 
different CPU to see if the G4/800 conflicts with the UL2D...

Anyway, has anyone successfully used the OEM UL2D with an S900, or 
any of the x500 or x600 machines?  Did you have to flash the 
firmware?  I'm reluctant to flash the card unless I'm certain that is 
needed because there is no flasher to take one back to the Apple OEM 
firmware.

Thank you for any helpful or humorous comments,

Jeff Walther

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