PDP 11/23 Help

From: Mark Honeycutt <mfhoneycutt_at_earthlink.net>
Date: Mon Dec 13 17:03:16 1999

START? DL0 worked great! Many thanks for the lended hand.

-----Original Message-----
From: Megan <mbg_at_world.std.com>
To: Discussion re-collecting of classic computers
<classiccmp_at_u.washington.edu>
Date: Monday, December 13, 1999 2:10 PM
Subject: Re: PDP 11/23 Help


>
>>I just picked up a PDP 11/23 in excellent condition from an accountant
>>that was going to dispose of it. It has two RL02 drives and 10 disk
>>packs. My background in DEC stuff is only VMS, so I checked around and
>>found some info on booting the machine, which I did successfully.. once.
>>I was able to get a directory listing and type a few files. The system
>>has RT-11 v4.00 with a runtime package in Dibol for general ledger, etc.
>>I halted the machine and tried to restart it again, only this time it
>>complains.
>
>Congrats on the acquisition...
>
>>The display I'm getting is..
>>
>>TESTING MEMORY
>>0124.KW
>>START? Y
>>000010
>>_at_
>
>Sounds like either the boot board (if the CPU is an 11/23, it is
>probably a BDV11, if an 11/23+, it has the BDV-style boot roms), or
>the device interface.
>
>Since it is supposed to have RLs, try typing 'DL0' at the 'Start?'
>prompt. If this doesn't work, then I would suspect the RLV
>interface...
>
> Megan Gentry
> Former RT-11 Developer
>
>+--------------------------------+-------------------------------------+
>| Megan Gentry, EMT/B, PP-ASEL | Internet (work): gentry!zk3.dec.com |
>| Unix Support Engineering Group | (home): mbg!world.std.com |
>| Compaq Computer Corporation | addresses need '_at_' in place of '!' |
>| 110 Spitbrook Rd. ZK03-2/T43 | URL: http://world.std.com/~mbg/ |
>| Nashua, NH 03062 | "pdp-11 programmer - some assembler |
>| (603) 884 1055 | required." - mbg |
>+--------------------------------+-------------------------------------+
Received on Mon Dec 13 1999 - 17:03:16 GMT

This archive was generated by hypermail 2.3.0 : Fri Oct 10 2014 - 23:31:55 BST