[Info-vax] OpenVMS I64 V8.1 "Evaluation Release"?

[Bob Koehler]

In article <jksliq$s82$1 at Iltempo.Update.UU.SE>, Johnny Billquist <bqt at softjar.se> writes:
> 
> It wasn't an ECO (ECO = Engineering Correction Order). The VAX 
> architecture was expanded with a second mode for the PTE, which was 
> implemented on the NVAX CPU, which allowed for a 34 bit physical 
> address. The same architecture change also changed the layout of the 
> process memory space by removing the S1 memory space, and reducing the 
> size of S0, so you could get much closer to actually using 4 GB in a 
> single process (although you still couldn't get all the way, of course...)

  A fellow from VMS Engineering (I don't rememeber the name, but I spoke to 
  him in person) called it an ECO against the VAX hardware architecture
  specification.