Help ID oddball SCSI controller

[Jeff Walther]

>Date: Fri, 07 Apr 2006 08:54:02 -0700
>From: Don Y <dgy at DakotaCom.Net>

>Card is full length.  PCI.  Appears to be made by IBM
>(FRU 76H6875).  Has three AIC-7880's on it connected to

>External connector appears to be LVD or SE (bummer, I
>was hoping to find a HVD in this box of goodies...)
>
>I'll assume it's a RAID controller.

I don't know anything about any RAID features, but the AIC-7880 
supports Ultra-Wide SCSI, but not LVD.   So assuming the firmware 
also supports it, you should have UW and earlier support on that card.

The 7880 is the chip used on the Adaptec 2940UW and the 3940UW, but 
the 3940UW is just a DEC PCI-PCI bridge with two 7880 chips hanging 
off of it--basically two 2940UWs on the same card with a PPB to make 
it fit in one PCI slot.

Some of the very late model Adaptec 2940UWs used a later chip (such 
as the Dual and the Pro models) but the vast bulk of the 2940UWs used 
the 7880.

Jeff Walther