On Wed, 02 Feb 2000, carlini@bulean.lkg.dec.com wrote:
>The VAX 4000-400 is based on the KA675 (L4002-CA) which is an NVAX running at
>16ns. I'm moderately sure that it has the VIC turned off but my manuals are not
>to hand right now.
>
>Basically VAX 4000-400 and upwards all live in the same box, use the same
>peripherals etc. and are all NVAX based. They just differ in the CPU module
>used. The VAX 4000-400 is the slowest of the bunch at 16VUPs and the VAX
>4000-705A is the fastest at 45VUPs. If you can support one you can probably
>support them all (the only wrinkle is the VAX 4000-400 has no VIC). IIRC the
>last CPU tech doc produced for the VAX 4000-705A (KA694) is just an update of
>the VAX 4000-500 manual but with the slight differences highlighted.

  My info says the 4000-400 is a Mariah-based machine, not NVAX.

               -Dave McGuire