My DEC VAX 4000 boards
All boards seem to come from a VAX 4000-300 machine. See http://gunkies.org/wiki/VAX_4000_series
ebay seller text
DEC VAX 4000-300 Boards CPU KA670 L4000 in Module Plastic Case (99-08536) 2x MS670-CA L4001-CA und 1x64MB Clearpoint Memory
KA670 CPU board
22 Bit QBus board.
CPU clocked with 143 Mhz. CPU chip is called
There is a FPU on board called CD523.
Built-in Ethernet and 2xDSSI (disk) controllers
Can address max of 512MB.
I love that pagode style cooling towers…
64MB memory board. I have two of these.
64MB Clearpoint Memory
I am occupied with other work, so this is for future.
I have 3x64=192MB RAM. The CPU board probably offers a console. It for sure contains LAN and disk controllers.
Required for basic setup would be a backplane, some PSU, which may be a PC PSU.