Unknown Z80 CPU board and backplane ID anyone?

[Jules Richardson]

On 07/30/2018 12:27 PM, Adrian Graham via cctalk wrote:
> Hi folks,
> 
> A friend of mine in the UK is looking for any info on the following
> boards. The CPU board is marked ‘VA 03-907023-00’ and features a Z80
> with 16K RAM and an 18.432MHz crystal. The backplane is also VA and has
> 11 132-pin slots that aren’t all identical implying usage for different
> cards in those locations. Voltages are +5/-5/+12V.

Those 11 slots are 100 pins, surely - the same number as the CPU board has.