DEC H742a vs. h7420a power supplies

Paul Anderson useddec at
Sun May 15 20:59:36 CDT 2016

I think the main difference is the H7420, which is the newer of the two,
 can handle more current.

On Sun, May 15, 2016 at 3:02 PM, william degnan <billdegnan at>

> I may have mentioned here that I have a PDP 11/40 with a DEC H742a and
> another with a h7420a power supply.   The boards and configurations differ,
> but they seem to be functionally alike.  Anyone have a second opinion?  I
> have been treating them as if they are interchangeable.
> Bill
> --
> @ BillDeg:
> Web:
> Twitter: @billdeg <>
> Youtube: @billdeg <>
> Unauthorized Bio <>

More information about the cctalk mailing list