PDP-11/73 boots!

From: Pete Turnbull <pete_at_dunnington.u-net.com>
Date: Thu Nov 27 02:42:46 2003

On Nov 26, 22:26, Ian Primus wrote:
>
> On Wednesday, November 26, 2003, at 08:11 PM, John Lawson wrote:
>
> > It's asking you to type in one of the devices (whose designators
are
> > the
> > left-most column) - ie. DB, SP or NS
>
> I tried typing in DB, and the others that it said were "Present", but
> just got a Syntax Error.

It will want the unit number as well (most of those controlers will
handle 2 or 4 disks), so it wants you to type "DB0" or possibly "DB0:".

> > DB should be the main disk.
> What does DB stand for? Is it the type of controller, a
representation
> of where it's mapped, the type of drive, or is it just a designation,
> and nothing else?

D is for disk, B is the disk (or sometimes, controller) type. 176700
is the address for an RP04 controller.

-- 
Pete						Peter Turnbull
						Network Manager
						University of York
Received on Thu Nov 27 2003 - 02:42:46 GMT

This archive was generated by hypermail 2.3.0 : Fri Oct 10 2014 - 23:36:21 BST