Heathkit H-11 restoration questions

From: Ethan Dicks <ethan_dicks_at_yahoo.com>
Date: Mon Oct 4 14:34:41 1999

--- CLASSICCMP_at_trailing-edge.com wrote:
> The RXV11 doesn't do DMA,

I didn't think so, but I wasn't sure.

> and while booting it may not need interrupts.

Typically not in my experience with 2BSD drivers.

> The fact that the machine hangs solid when the card is where it's
> supposed to be may be a clue that the it's permanently stuck interrupting.

That's jibes with my hypothesis.
 
> Does the Heath machine at least have a "halt" button so you can
> get down to console ODT ("_at_" prompt) and do further debugging from there?

Yes, but it's been years since I've ODTed.

-ethan



=====
Infinet has been sold. The domain is going away in February.
Please send all replies to

  erd_at_iname.com
__________________________________________________
Do You Yahoo!?
Bid and sell for free at http://auctions.yahoo.com
Received on Mon Oct 04 1999 - 14:34:41 BST

This archive was generated by hypermail 2.3.0 : Fri Oct 10 2014 - 23:32:32 BST