[KLUG Hardware] SCSI card recommendation

[Adam Williams]

>I was using one of these 2940UW with multiple OSes... one Linux 
>distro essentially revolted when all three ports were in use. I 
>glanced at the adaptec manual but did not explicitly see this spelled 
>out. COulda missed it... I plan to check again when I return to that 
>project...
>but but since you all were talking about it...
>Does this sound right, that only two of the three connectors (68-pin 
>external, 50-pin internal, 68-pin internal) can be used at the same 
>time?
>IIRC, it was SuSE 7.3 that flagged this as misuse of the card.

It is a mis-use.  It is a dual port card, with three connectors for
convenience.  My IBM 3-Channell IPS card has 4 connectors,  3 68 pin
internal, and 1 68 pin external. If you use the external one you give up
one of the internal connectors.  This is pretty common.