At 03:07 PM 9/17/01 +0200, you wrote:
>Hi all,
>
>A friend of mine has a MicroVAX 3400 at his job.
>I try to identify the QBus cards inside it.
>He told me there is a card without identification,
>with two connectors on the outside, wich looks
>very similar to female PCI sockets.
>He told me this is nor centronics nor any usual
>SCSI connector.

It could be a custom card, the only real way to check will be to remove the 
card and look for the module number/manufacturer.

>On a side note, I did not took time to RTFM, but can I put
>a MicroVAX 3400 memory board (a MS650-AA for KA650)
>inside a VAX 4000-200 (KA660) ?

The MS650-BA memory will work with the KA660 but the MA650-AA (8MB) memory 
will generally not work with it. (not fast enough)

--Chuck