Intel 80286 16-bit processor - CPU speeds of 12Mhz(HighSpeed) & 8Mhz
1 Mbyte of memory, expandable upto 16Mbyte
The RM Nimbus AX here at the museum is unfortunately missing its case; however this is what it would have looked like
This is the museum AX booting using a Nimbus PC monitor via the PEGA(built-in graphics adapter).
This display mode is text based, unlike the VGA mode available on the /2 series, which uses graphics.
Images showing the internal components of an AX are shown below: